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icu46/source/test/cintltst/cnormtst.c

+/********************************************************************
+ * COPYRIGHT: 
+ * Copyright (c) 1997-2010, International Business Machines Corporation and
+ * others. All Rights Reserved.
+ ********************************************************************/
+/********************************************************************************
+*
+* File CNORMTST.C
+*
+* Modification History:
+*        Name                     Description            
+*     Madhu Katragadda            Ported for C API
+*     synwee                      added test for quick check
+*     synwee                      added test for checkFCD
+*********************************************************************************/
+/*tests for u_normalization*/
+#include "unicode/utypes.h"
+#include "unicode/unorm.h"
+#include "cintltst.h"
+
+#if UCONFIG_NO_NORMALIZATION
+
+void addNormTest(TestNode** root) {
+    /* no normalization - nothing to do */
+}
+
+#else
+
+#include <stdlib.h>
+#include <time.h>
+#include "unicode/uchar.h"
+#include "unicode/ustring.h"
+#include "unicode/unorm.h"
+#include "cnormtst.h"
+
+#define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof ((array)[0]))
+
+static void
+TestAPI(void);
+
+static void
+TestNormCoverage(void);
+
+static void
+TestConcatenate(void);
+
+static void
+TestNextPrevious(void);
+
+static void TestIsNormalized(void);
+
+static void
+TestFCNFKCClosure(void);
+
+static void
+TestQuickCheckPerCP(void);
+
+static void
+TestComposition(void);
+
+static void
+TestFCD(void);
+
+static void
+TestGetDecomposition(void);
+
+static const char* const canonTests[][3] = {
+    /* Input*/                    /*Decomposed*/                /*Composed*/
+    { "cat",                    "cat",                        "cat"                    },
+    { "\\u00e0ardvark",            "a\\u0300ardvark",            "\\u00e0ardvark",        },
+
+    { "\\u1e0a",                "D\\u0307",                    "\\u1e0a"                }, /* D-dot_above*/
+    { "D\\u0307",                "D\\u0307",                    "\\u1e0a"                }, /* D dot_above*/
+    
+    { "\\u1e0c\\u0307",            "D\\u0323\\u0307",            "\\u1e0c\\u0307"        }, /* D-dot_below dot_above*/
+    { "\\u1e0a\\u0323",            "D\\u0323\\u0307",            "\\u1e0c\\u0307"        }, /* D-dot_above dot_below */
+    { "D\\u0307\\u0323",        "D\\u0323\\u0307",            "\\u1e0c\\u0307"        }, /* D dot_below dot_above */
+    
+    { "\\u1e10\\u0307\\u0323",    "D\\u0327\\u0323\\u0307",    "\\u1e10\\u0323\\u0307"    }, /*D dot_below cedilla dot_above*/
+    { "D\\u0307\\u0328\\u0323",    "D\\u0328\\u0323\\u0307",    "\\u1e0c\\u0328\\u0307"    }, /* D dot_above ogonek dot_below*/
+
+    { "\\u1E14",                "E\\u0304\\u0300",            "\\u1E14"                }, /* E-macron-grave*/
+    { "\\u0112\\u0300",            "E\\u0304\\u0300",            "\\u1E14"                }, /* E-macron + grave*/
+    { "\\u00c8\\u0304",            "E\\u0300\\u0304",            "\\u00c8\\u0304"        }, /* E-grave + macron*/
+    
+    { "\\u212b",                "A\\u030a",                    "\\u00c5"                }, /* angstrom_sign*/
+    { "\\u00c5",                "A\\u030a",                    "\\u00c5"                }, /* A-ring*/
+    
+    { "\\u00C4ffin",            "A\\u0308ffin",                "\\u00C4ffin"                    },
+    { "\\u00C4\\uFB03n",        "A\\u0308\\uFB03n",            "\\u00C4\\uFB03n"                },
+
+    { "Henry IV",                "Henry IV",                    "Henry IV"                },
+    { "Henry \\u2163",            "Henry \\u2163",            "Henry \\u2163"            },
+
+    { "\\u30AC",                "\\u30AB\\u3099",            "\\u30AC"                }, /* ga (Katakana)*/
+    { "\\u30AB\\u3099",            "\\u30AB\\u3099",            "\\u30AC"                }, /*ka + ten*/
+    { "\\uFF76\\uFF9E",            "\\uFF76\\uFF9E",            "\\uFF76\\uFF9E"        }, /* hw_ka + hw_ten*/
+    { "\\u30AB\\uFF9E",            "\\u30AB\\uFF9E",            "\\u30AB\\uFF9E"        }, /* ka + hw_ten*/
+    { "\\uFF76\\u3099",            "\\uFF76\\u3099",            "\\uFF76\\u3099"        },  /* hw_ka + ten*/
+    { "A\\u0300\\u0316",           "A\\u0316\\u0300",           "\\u00C0\\u0316"        },  /* hw_ka + ten*/
+    { "", "", "" }
+};
+
+static const char* const compatTests[][3] = {
+    /* Input*/                        /*Decomposed    */                /*Composed*/
+    { "cat",                        "cat",                            "cat"                },
+
+    { "\\uFB4f",                    "\\u05D0\\u05DC",                "\\u05D0\\u05DC"    }, /* Alef-Lamed vs. Alef, Lamed*/
+
+    { "\\u00C4ffin",                "A\\u0308ffin",                    "\\u00C4ffin"             },
+    { "\\u00C4\\uFB03n",            "A\\u0308ffin",                    "\\u00C4ffin"                }, /* ffi ligature -> f + f + i*/
+
+    { "Henry IV",                    "Henry IV",                        "Henry IV"            },
+    { "Henry \\u2163",                "Henry IV",                        "Henry IV"            },
+
+    { "\\u30AC",                    "\\u30AB\\u3099",                "\\u30AC"            }, /* ga (Katakana)*/
+    { "\\u30AB\\u3099",                "\\u30AB\\u3099",                "\\u30AC"            }, /*ka + ten*/
+    
+    { "\\uFF76\\u3099",                "\\u30AB\\u3099",                "\\u30AC"            }, /* hw_ka + ten*/
+
+    /*These two are broken in Unicode 2.1.2 but fixed in 2.1.5 and later*/
+    { "\\uFF76\\uFF9E",                "\\u30AB\\u3099",                "\\u30AC"            }, /* hw_ka + hw_ten*/
+    { "\\u30AB\\uFF9E",                "\\u30AB\\u3099",                "\\u30AC"            }, /* ka + hw_ten*/
+    { "", "", "" }
+};
+
+static const char* const fcdTests[][3] = {
+    /* Added for testing the below-U+0300 prefix of a NUL-terminated string. */
+    { "\\u010e\\u0327", "D\\u0327\\u030c", NULL },  /* D-caron + cedilla */
+    { "\\u010e", "\\u010e", NULL }  /* D-caron */
+};
+
+void addNormTest(TestNode** root);
+
+void addNormTest(TestNode** root)
+{
+    addTest(root, &TestAPI, "tsnorm/cnormtst/TestAPI");
+    addTest(root, &TestDecomp, "tsnorm/cnormtst/TestDecomp");
+    addTest(root, &TestCompatDecomp, "tsnorm/cnormtst/TestCompatDecomp");
+    addTest(root, &TestCanonDecompCompose, "tsnorm/cnormtst/TestCanonDecompCompose");
+    addTest(root, &TestCompatDecompCompose, "tsnorm/cnormtst/TestCompatDecompCompose");
+    addTest(root, &TestFCD, "tsnorm/cnormtst/TestFCD");
+    addTest(root, &TestNull, "tsnorm/cnormtst/TestNull");
+    addTest(root, &TestQuickCheck, "tsnorm/cnormtst/TestQuickCheck");
+    addTest(root, &TestQuickCheckPerCP, "tsnorm/cnormtst/TestQuickCheckPerCP");
+    addTest(root, &TestIsNormalized, "tsnorm/cnormtst/TestIsNormalized");
+    addTest(root, &TestCheckFCD, "tsnorm/cnormtst/TestCheckFCD");
+    addTest(root, &TestNormCoverage, "tsnorm/cnormtst/TestNormCoverage");
+    addTest(root, &TestConcatenate, "tsnorm/cnormtst/TestConcatenate");
+    addTest(root, &TestNextPrevious, "tsnorm/cnormtst/TestNextPrevious");
+    addTest(root, &TestFCNFKCClosure, "tsnorm/cnormtst/TestFCNFKCClosure");
+    addTest(root, &TestComposition, "tsnorm/cnormtst/TestComposition");
+    addTest(root, &TestGetDecomposition, "tsnorm/cnormtst/TestGetDecomposition");
+}
+
+static const char* const modeStrings[]={
+    "UNORM_NONE",
+    "UNORM_NFD",
+    "UNORM_NFKD",
+    "UNORM_NFC",
+    "UNORM_NFKC",
+    "UNORM_FCD",
+    "UNORM_MODE_COUNT"
+};
+
+static void TestNormCases(UNormalizationMode mode,
+                          const char* const cases[][3], int32_t lengthOfCases) {
+    int32_t x, neededLen, length2;
+    int32_t expIndex= (mode==UNORM_NFC || mode==UNORM_NFKC) ? 2 : 1;
+    UChar *source=NULL;
+    UChar result[16];
+    log_verbose("Testing unorm_normalize(%s)\n", modeStrings[mode]);
+    for(x=0; x < lengthOfCases; x++)
+    {
+        UErrorCode status = U_ZERO_ERROR, status2 = U_ZERO_ERROR;
+        source=CharsToUChars(cases[x][0]);
+        neededLen= unorm_normalize(source, u_strlen(source), mode, 0, NULL, 0, &status);
+        length2= unorm_normalize(source, -1, mode, 0, NULL, 0, &status2);
+        if(neededLen!=length2) {
+          log_err("ERROR in unorm_normalize(%s)[%d]: "
+                  "preflight length/NUL %d!=%d preflight length/srcLength\n",
+                  modeStrings[mode], (int)x, (int)neededLen, (int)length2);
+        }
+        if(status==U_BUFFER_OVERFLOW_ERROR)
+        {
+            status=U_ZERO_ERROR;
+        }
+        length2=unorm_normalize(source, u_strlen(source), mode, 0, result, LENGTHOF(result), &status); 
+        if(U_FAILURE(status) || neededLen!=length2) {
+            log_data_err("ERROR in unorm_normalize(%s/NUL) at %s:  %s - (Are you missing data?)\n",
+                         modeStrings[mode], austrdup(source), myErrorName(status));
+        } else {
+            assertEqual(result, cases[x][expIndex], x);
+        }
+        length2=unorm_normalize(source, -1, mode, 0, result, LENGTHOF(result), &status); 
+        if(U_FAILURE(status) || neededLen!=length2) {
+            log_data_err("ERROR in unorm_normalize(%s/srcLength) at %s:  %s - (Are you missing data?)\n",
+                         modeStrings[mode], austrdup(source), myErrorName(status));
+        } else {
+            assertEqual(result, cases[x][expIndex], x);
+        }
+        free(source);
+    }
+}
+
+void TestDecomp() {
+    TestNormCases(UNORM_NFD, canonTests, LENGTHOF(canonTests));
+}
+
+void TestCompatDecomp() {
+    TestNormCases(UNORM_NFKD, compatTests, LENGTHOF(compatTests));
+}
+
+void TestCanonDecompCompose() {
+    TestNormCases(UNORM_NFC, canonTests, LENGTHOF(canonTests));
+}
+
+void TestCompatDecompCompose() {
+    TestNormCases(UNORM_NFKC, compatTests, LENGTHOF(compatTests));
+}
+
+void TestFCD() {
+    TestNormCases(UNORM_FCD, fcdTests, LENGTHOF(fcdTests));
+}
+
+static void assertEqual(const UChar* result, const char* expected, int32_t index)
+{
+    UChar *expectedUni = CharsToUChars(expected);
+    if(u_strcmp(result, expectedUni)!=0){
+        log_err("ERROR in decomposition at index = %d. EXPECTED: %s , GOT: %s\n", index, expected,
+            austrdup(result) );
+    }
+    free(expectedUni);
+}
+
+static void TestNull_check(UChar *src, int32_t srcLen, 
+                    UChar *exp, int32_t expLen,
+                    UNormalizationMode mode,
+                    const char *name)
+{
+    UErrorCode status = U_ZERO_ERROR;
+    int32_t len, i;
+
+    UChar   result[50];
+
+
+    status = U_ZERO_ERROR;
+
+    for(i=0;i<50;i++)
+      {
+        result[i] = 0xFFFD;
+      }
+
+    len = unorm_normalize(src, srcLen, mode, 0, result, 50, &status); 
+
+    if(U_FAILURE(status)) {
+      log_data_err("unorm_normalize(%s) with 0x0000 failed: %s - (Are you missing data?)\n", name, u_errorName(status));
+    } else if (len != expLen) {
+      log_err("unorm_normalize(%s) with 0x0000 failed: Expected len %d, got %d\n", name, expLen, len);
+    } 
+
+    {
+      for(i=0;i<len;i++){
+        if(exp[i] != result[i]) {
+          log_err("unorm_normalize(%s): @%d, expected \\u%04X got \\u%04X\n",
+                  name,
+                  i,
+                  exp[i],
+                  result[i]);
+          return;
+        }
+        log_verbose("     %d: \\u%04X\n", i, result[i]);
+      }
+    }
+    
+    log_verbose("unorm_normalize(%s) with 0x0000: OK\n", name);
+}
+
+void TestNull() 
+{
+
+    UChar   source_comp[] = { 0x0061, 0x0000, 0x0044, 0x0307 };
+    int32_t source_comp_len = 4;
+    UChar   expect_comp[] = { 0x0061, 0x0000, 0x1e0a };
+    int32_t expect_comp_len = 3;
+
+    UChar   source_dcmp[] = { 0x1e0A, 0x0000, 0x0929 };
+    int32_t source_dcmp_len = 3;
+    UChar   expect_dcmp[] = { 0x0044, 0x0307, 0x0000, 0x0928, 0x093C };
+    int32_t expect_dcmp_len = 5;
+    
+    TestNull_check(source_comp,
+                   source_comp_len,
+                   expect_comp,
+                   expect_comp_len,
+                   UNORM_NFC,
+                   "UNORM_NFC");
+
+    TestNull_check(source_dcmp,
+                   source_dcmp_len,
+                   expect_dcmp,
+                   expect_dcmp_len,
+                   UNORM_NFD,
+                   "UNORM_NFD");
+
+    TestNull_check(source_comp,
+                   source_comp_len,
+                   expect_comp,
+                   expect_comp_len,
+                   UNORM_NFKC,
+                   "UNORM_NFKC");
+
+
+}
+
+static void TestQuickCheckResultNO() 
+{
+  const UChar CPNFD[] = {0x00C5, 0x0407, 0x1E00, 0x1F57, 0x220C, 
+                         0x30AE, 0xAC00, 0xD7A3, 0xFB36, 0xFB4E};
+  const UChar CPNFC[] = {0x0340, 0x0F93, 0x1F77, 0x1FBB, 0x1FEB, 
+                          0x2000, 0x232A, 0xF900, 0xFA1E, 0xFB4E};
+  const UChar CPNFKD[] = {0x00A0, 0x02E4, 0x1FDB, 0x24EA, 0x32FE, 
+                           0xAC00, 0xFB4E, 0xFA10, 0xFF3F, 0xFA2D};
+  const UChar CPNFKC[] = {0x00A0, 0x017F, 0x2000, 0x24EA, 0x32FE, 
+                           0x33FE, 0xFB4E, 0xFA10, 0xFF3F, 0xFA2D};
+
+
+  const int SIZE = 10;
+
+  int count = 0;
+  UErrorCode error = U_ZERO_ERROR;
+
+  for (; count < SIZE; count ++)
+  {
+    if (unorm_quickCheck(&(CPNFD[count]), 1, UNORM_NFD, &error) != 
+                                                              UNORM_NO)
+    {
+      log_err("ERROR in NFD quick check at U+%04x\n", CPNFD[count]);
+      return;
+    }
+    if (unorm_quickCheck(&(CPNFC[count]), 1, UNORM_NFC, &error) != 
+                                                              UNORM_NO)
+    {
+      log_err("ERROR in NFC quick check at U+%04x\n", CPNFC[count]);
+      return;
+    }
+    if (unorm_quickCheck(&(CPNFKD[count]), 1, UNORM_NFKD, &error) != 
+                                                              UNORM_NO)
+    {
+      log_err("ERROR in NFKD quick check at U+%04x\n", CPNFKD[count]);
+      return;
+    }
+    if (unorm_quickCheck(&(CPNFKC[count]), 1, UNORM_NFKC, &error) != 
+                                                              UNORM_NO)
+    {
+      log_err("ERROR in NFKC quick check at U+%04x\n", CPNFKC[count]);
+      return;
+    }
+  }
+}
+
+ 
+static void TestQuickCheckResultYES() 
+{
+  const UChar CPNFD[] = {0x00C6, 0x017F, 0x0F74, 0x1000, 0x1E9A, 
+                         0x2261, 0x3075, 0x4000, 0x5000, 0xF000};
+  const UChar CPNFC[] = {0x0400, 0x0540, 0x0901, 0x1000, 0x1500, 
+                         0x1E9A, 0x3000, 0x4000, 0x5000, 0xF000};
+  const UChar CPNFKD[] = {0x00AB, 0x02A0, 0x1000, 0x1027, 0x2FFB, 
+                          0x3FFF, 0x4FFF, 0xA000, 0xF000, 0xFA27};
+  const UChar CPNFKC[] = {0x00B0, 0x0100, 0x0200, 0x0A02, 0x1000, 
+                          0x2010, 0x3030, 0x4000, 0xA000, 0xFA0E};
+
+  const int SIZE = 10;
+  int count = 0;
+  UErrorCode error = U_ZERO_ERROR;
+
+  UChar cp = 0;
+  while (cp < 0xA0)
+  {
+    if (unorm_quickCheck(&cp, 1, UNORM_NFD, &error) != UNORM_YES)
+    {
+      log_data_err("ERROR in NFD quick check at U+%04x - (Are you missing data?)\n", cp);
+      return;
+    }
+    if (unorm_quickCheck(&cp, 1, UNORM_NFC, &error) != 
+                                                             UNORM_YES)
+    {
+      log_err("ERROR in NFC quick check at U+%04x\n", cp);
+      return;
+    }
+    if (unorm_quickCheck(&cp, 1, UNORM_NFKD, &error) != UNORM_YES)
+    {
+      log_err("ERROR in NFKD quick check at U+%04x\n", cp);
+      return;
+    }
+    if (unorm_quickCheck(&cp, 1, UNORM_NFKC, &error) != 
+                                                             UNORM_YES)
+    {
+      log_err("ERROR in NFKC quick check at U+%04x\n", cp);
+      return;
+    }
+    cp ++;
+  }
+
+  for (; count < SIZE; count ++)
+  {
+    if (unorm_quickCheck(&(CPNFD[count]), 1, UNORM_NFD, &error) != 
+                                                             UNORM_YES)
+    {
+      log_err("ERROR in NFD quick check at U+%04x\n", CPNFD[count]);
+      return;
+    }
+    if (unorm_quickCheck(&(CPNFC[count]), 1, UNORM_NFC, &error) 
+                                                          != UNORM_YES)
+    {
+      log_err("ERROR in NFC quick check at U+%04x\n", CPNFC[count]);
+      return;
+    }
+    if (unorm_quickCheck(&(CPNFKD[count]), 1, UNORM_NFKD, &error) != 
+                                                             UNORM_YES)
+    {
+      log_err("ERROR in NFKD quick check at U+%04x\n", CPNFKD[count]);
+      return;
+    }
+    if (unorm_quickCheck(&(CPNFKC[count]), 1, UNORM_NFKC, &error) != 
+                                                             UNORM_YES)
+    {
+      log_err("ERROR in NFKC quick check at U+%04x\n", CPNFKC[count]);
+      return;
+    }
+  }
+}
+
+static void TestQuickCheckResultMAYBE() 
+{
+  const UChar CPNFC[] = {0x0306, 0x0654, 0x0BBE, 0x102E, 0x1161, 
+                         0x116A, 0x1173, 0x1175, 0x3099, 0x309A};
+  const UChar CPNFKC[] = {0x0300, 0x0654, 0x0655, 0x09D7, 0x0B3E, 
+                          0x0DCF, 0xDDF, 0x102E, 0x11A8, 0x3099};
+
+
+  const int SIZE = 10;
+
+  int count = 0;
+  UErrorCode error = U_ZERO_ERROR;
+
+  /* NFD and NFKD does not have any MAYBE codepoints */
+  for (; count < SIZE; count ++)
+  {
+    if (unorm_quickCheck(&(CPNFC[count]), 1, UNORM_NFC, &error) != 
+                                                           UNORM_MAYBE)
+    {
+      log_data_err("ERROR in NFC quick check at U+%04x - (Are you missing data?)\n", CPNFC[count]);
+      return;
+    }
+    if (unorm_quickCheck(&(CPNFKC[count]), 1, UNORM_NFKC, &error) != 
+                                                           UNORM_MAYBE)
+    {
+      log_err("ERROR in NFKC quick check at U+%04x\n", CPNFKC[count]);
+      return;
+    }
+  }
+}
+
+static void TestQuickCheckStringResult() 
+{
+  int count;
+  UChar *d = NULL;
+  UChar *c = NULL;
+  UErrorCode error = U_ZERO_ERROR;
+
+  for (count = 0; count < LENGTHOF(canonTests); count ++)
+  {
+    d = CharsToUChars(canonTests[count][1]);
+    c = CharsToUChars(canonTests[count][2]);
+    if (unorm_quickCheck(d, u_strlen(d), UNORM_NFD, &error) != 
+                                                            UNORM_YES)
+    {
+      log_data_err("ERROR in NFD quick check for string at count %d - (Are you missing data?)\n", count);
+      return;
+    }
+
+    if (unorm_quickCheck(c, u_strlen(c), UNORM_NFC, &error) == 
+                                                            UNORM_NO)
+    {
+      log_err("ERROR in NFC quick check for string at count %d\n", count);
+      return;
+    }
+
+    free(d);
+    free(c);
+  }
+
+  for (count = 0; count < LENGTHOF(compatTests); count ++)
+  {
+    d = CharsToUChars(compatTests[count][1]);
+    c = CharsToUChars(compatTests[count][2]);
+    if (unorm_quickCheck(d, u_strlen(d), UNORM_NFKD, &error) != 
+                                                            UNORM_YES)
+    {
+      log_err("ERROR in NFKD quick check for string at count %d\n", count);
+      return;
+    }
+
+    if (unorm_quickCheck(c, u_strlen(c), UNORM_NFKC, &error) != 
+                                                            UNORM_YES)
+    {
+      log_err("ERROR in NFKC quick check for string at count %d\n", count);
+      return;
+    }
+
+    free(d);
+    free(c);
+  }  
+}
+
+void TestQuickCheck() 
+{
+  TestQuickCheckResultNO();
+  TestQuickCheckResultYES();
+  TestQuickCheckResultMAYBE();
+  TestQuickCheckStringResult(); 
+}
+
+/*
+ * The intltest/NormalizerConformanceTest tests a lot of strings that _are_
+ * normalized, and some that are not.
+ * Here we pick some specific cases and test the C API.
+ */
+static void TestIsNormalized(void) {
+    static const UChar notNFC[][8]={            /* strings that are not in NFC */
+        { 0x62, 0x61, 0x300, 0x63, 0 },         /* 0061 0300 compose */
+        { 0xfb1d, 0 },                          /* excluded from composition */
+        { 0x0627, 0x0653, 0 },                  /* 0627 0653 compose */
+        { 0x3071, 0x306f, 0x309a, 0x3073, 0 }   /* 306F 309A compose */
+    };
+    static const UChar notNFKC[][8]={           /* strings that are not in NFKC */
+        { 0x1100, 0x1161, 0 },                  /* Jamo compose */
+        { 0x1100, 0x314f, 0 },                  /* compatibility Jamo compose */
+        { 0x03b1, 0x1f00, 0x0345, 0x03b3, 0 }   /* 1F00 0345 compose */
+    };
+
+    int32_t i;
+    UErrorCode errorCode;
+
+    /* API test */
+
+    /* normal case with length>=0 (length -1 used for special cases below) */
+    errorCode=U_ZERO_ERROR;
+    if(!unorm_isNormalized(notNFC[0]+2, 1, UNORM_NFC, &errorCode) || U_FAILURE(errorCode)) {
+        log_data_err("error: !isNormalized(<U+0300>, NFC) (%s) - (Are you missing data?)\n", u_errorName(errorCode));
+    }
+
+    /* incoming U_FAILURE */
+    errorCode=U_TRUNCATED_CHAR_FOUND;
+    (void)unorm_isNormalized(notNFC[0]+2, 1, UNORM_NFC, &errorCode);
+    if(errorCode!=U_TRUNCATED_CHAR_FOUND) {
+        log_err("error: isNormalized(U_TRUNCATED_CHAR_FOUND) changed the error code to %s\n", u_errorName(errorCode));
+    }
+
+    /* NULL source */
+    errorCode=U_ZERO_ERROR;
+    (void)unorm_isNormalized(NULL, 1, UNORM_NFC, &errorCode);
+    if(errorCode!=U_ILLEGAL_ARGUMENT_ERROR) {
+        log_data_err("error: isNormalized(NULL) did not set U_ILLEGAL_ARGUMENT_ERROR but %s - (Are you missing data?)\n", u_errorName(errorCode));
+    }
+
+    /* bad length */
+    errorCode=U_ZERO_ERROR;
+    (void)unorm_isNormalized(notNFC[0]+2, -2, UNORM_NFC, &errorCode);
+    if(errorCode!=U_ILLEGAL_ARGUMENT_ERROR) {
+        log_data_err("error: isNormalized([-2]) did not set U_ILLEGAL_ARGUMENT_ERROR but %s - (Are you missing data?)\n", u_errorName(errorCode));
+    }
+
+    /* specific cases */
+    for(i=0; i<LENGTHOF(notNFC); ++i) {
+        errorCode=U_ZERO_ERROR;
+        if(unorm_isNormalized(notNFC[i], -1, UNORM_NFC, &errorCode) || U_FAILURE(errorCode)) {
+            log_data_err("error: isNormalized(notNFC[%d], NFC) is wrong (%s) - (Are you missing data?)\n", i, u_errorName(errorCode));
+        }
+        errorCode=U_ZERO_ERROR;
+        if(unorm_isNormalized(notNFC[i], -1, UNORM_NFKC, &errorCode) || U_FAILURE(errorCode)) {
+            log_data_err("error: isNormalized(notNFC[%d], NFKC) is wrong (%s) - (Are you missing data?)\n", i, u_errorName(errorCode));
+        }
+    }
+    for(i=0; i<LENGTHOF(notNFKC); ++i) {
+        errorCode=U_ZERO_ERROR;
+        if(unorm_isNormalized(notNFKC[i], -1, UNORM_NFKC, &errorCode) || U_FAILURE(errorCode)) {
+            log_data_err("error: isNormalized(notNFKC[%d], NFKC) is wrong (%s) - (Are you missing data?)\n", i, u_errorName(errorCode));
+        }
+    }
+}
+
+void TestCheckFCD() 
+{
+  UErrorCode status = U_ZERO_ERROR;
+  static const UChar FAST_[] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 
+                         0x0A}; 
+  static const UChar FALSE_[] = {0x0001, 0x0002, 0x02EA, 0x03EB, 0x0300, 0x0301, 
+                          0x02B9, 0x0314, 0x0315, 0x0316};
+  static const UChar TRUE_[] = {0x0030, 0x0040, 0x0440, 0x056D, 0x064F, 0x06E7, 
+                         0x0050, 0x0730, 0x09EE, 0x1E10};
+
+  static const UChar datastr[][5] = 
+  { {0x0061, 0x030A, 0x1E05, 0x0302, 0},
+    {0x0061, 0x030A, 0x00E2, 0x0323, 0},
+    {0x0061, 0x0323, 0x00E2, 0x0323, 0},
+    {0x0061, 0x0323, 0x1E05, 0x0302, 0} };
+  static const UBool result[] = {UNORM_YES, UNORM_NO, UNORM_NO, UNORM_YES};
+
+  static const UChar datachar[] = {0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 
+                            0x6a,
+                            0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 
+                            0xea,
+                            0x0300, 0x0301, 0x0302, 0x0303, 0x0304, 0x0305, 0x0306, 
+                            0x0307, 0x0308, 0x0309, 0x030a, 
+                            0x0320, 0x0321, 0x0322, 0x0323, 0x0324, 0x0325, 0x0326,
+                            0x0327, 0x0328, 0x0329, 0x032a,
+                            0x1e00, 0x1e01, 0x1e02, 0x1e03, 0x1e04, 0x1e05, 0x1e06, 
+                            0x1e07, 0x1e08, 0x1e09, 0x1e0a};
+
+  int count = 0;
+  
+  if (unorm_quickCheck(FAST_, 10, UNORM_FCD, &status) != UNORM_YES)
+    log_data_err("unorm_quickCheck(FCD) failed: expected value for fast unorm_quickCheck is UNORM_YES - (Are you missing data?)\n");
+  if (unorm_quickCheck(FALSE_, 10, UNORM_FCD, &status) != UNORM_NO)
+    log_err("unorm_quickCheck(FCD) failed: expected value for error unorm_quickCheck is UNORM_NO\n");
+  if (unorm_quickCheck(TRUE_, 10, UNORM_FCD, &status) != UNORM_YES)
+    log_data_err("unorm_quickCheck(FCD) failed: expected value for correct unorm_quickCheck is UNORM_YES - (Are you missing data?)\n");
+
+  if (U_FAILURE(status))
+    log_data_err("unorm_quickCheck(FCD) failed: %s - (Are you missing data?)\n", u_errorName(status));
+
+  while (count < 4)
+  {
+    UBool fcdresult = unorm_quickCheck(datastr[count], 4, UNORM_FCD, &status);
+    if (U_FAILURE(status)) {
+      log_data_err("unorm_quickCheck(FCD) failed: exception occured at data set %d - (Are you missing data?)\n", count);
+      break;
+    }
+    else {
+      if (result[count] != fcdresult) {
+        log_err("unorm_quickCheck(FCD) failed: Data set %d expected value %d\n", count, 
+                 result[count]);
+      }
+    }
+    count ++;
+  }
+
+  /* random checks of long strings */
+  status = U_ZERO_ERROR;
+  srand((unsigned)time( NULL ));
+
+  for (count = 0; count < 50; count ++)
+  {
+    int size = 0;
+    UBool testresult = UNORM_YES;
+    UChar data[20];
+    UChar norm[100];
+    UChar nfd[100];
+    int normsize = 0;
+    int nfdsize = 0;
+    
+    while (size != 19) {
+      data[size] = datachar[(rand() * 50) / RAND_MAX];
+      log_verbose("0x%x", data[size]);
+      normsize += unorm_normalize(data + size, 1, UNORM_NFD, 0, 
+                                  norm + normsize, 100 - normsize, &status);       
+      if (U_FAILURE(status)) {
+        log_data_err("unorm_quickCheck(FCD) failed: exception occured at data generation - (Are you missing data?)\n");
+        break;
+      }
+      size ++;
+    }
+    log_verbose("\n");
+
+    nfdsize = unorm_normalize(data, size, UNORM_NFD, 0, 
+                              nfd, 100, &status);       
+    if (U_FAILURE(status)) {
+      log_data_err("unorm_quickCheck(FCD) failed: exception occured at normalized data generation - (Are you missing data?)\n");
+    }
+
+    if (nfdsize != normsize || u_memcmp(nfd, norm, nfdsize) != 0) {
+      testresult = UNORM_NO;
+    }
+    if (testresult == UNORM_YES) {
+      log_verbose("result UNORM_YES\n");
+    }
+    else {
+      log_verbose("result UNORM_NO\n");
+    }
+
+    if (unorm_quickCheck(data, size, UNORM_FCD, &status) != testresult || U_FAILURE(status)) {
+      log_data_err("unorm_quickCheck(FCD) failed: expected %d for random data - (Are you missing data?)\n", testresult);
+    }
+  }
+}
+
+static void
+TestAPI() {
+    static const UChar in[]={ 0x68, 0xe4 };
+    UChar out[20]={ 0xffff, 0xffff, 0xffff, 0xffff };
+    UErrorCode errorCode;
+    int32_t length;
+
+    /* try preflighting */
+    errorCode=U_ZERO_ERROR;
+    length=unorm_normalize(in, 2, UNORM_NFD, 0, NULL, 0, &errorCode);
+    if(errorCode!=U_BUFFER_OVERFLOW_ERROR || length!=3) {
+        log_data_err("unorm_normalize(pure preflighting NFD)=%ld failed with %s - (Are you missing data?)\n", length, u_errorName(errorCode));
+        return;
+    }
+
+    errorCode=U_ZERO_ERROR;
+    length=unorm_normalize(in, 2, UNORM_NFD, 0, out, 3, &errorCode);
+    if(U_FAILURE(errorCode)) {
+        log_err("unorm_normalize(NFD)=%ld failed with %s\n", length, u_errorName(errorCode));
+        return;
+    }
+    if(length!=3 || out[2]!=0x308 || out[3]!=0xffff) {
+        log_err("unorm_normalize(NFD ma<umlaut>)=%ld failed with out[]=U+%04x U+%04x U+%04x U+%04x\n", length, out[0], out[1], out[2], out[3]);
+        return;
+    }
+    length=unorm_normalize(NULL, 0, UNORM_NFC, 0, NULL, 0, &errorCode);
+    if(U_FAILURE(errorCode)) {
+        log_err("unorm_normalize(src NULL[0], NFC, dest NULL[0])=%ld failed with %s\n", (long)length, u_errorName(errorCode));
+        return;
+    }
+    length=unorm_normalize(NULL, 0, UNORM_NFC, 0, out, 20, &errorCode);
+    if(U_FAILURE(errorCode)) {
+        log_err("unorm_normalize(src NULL[0], NFC, dest out[20])=%ld failed with %s\n", (long)length, u_errorName(errorCode));
+        return;
+    }
+}
+
+/* test cases to improve test code coverage */
+enum {
+    HANGUL_K_KIYEOK=0x3131,         /* NFKD->Jamo L U+1100 */
+    HANGUL_K_WEO=0x315d,            /* NFKD->Jamo V U+116f */
+    HANGUL_K_KIYEOK_SIOS=0x3133,    /* NFKD->Jamo T U+11aa */
+
+    HANGUL_KIYEOK=0x1100,           /* Jamo L U+1100 */
+    HANGUL_WEO=0x116f,              /* Jamo V U+116f */
+    HANGUL_KIYEOK_SIOS=0x11aa,      /* Jamo T U+11aa */
+
+    HANGUL_AC00=0xac00,             /* Hangul syllable = Jamo LV U+ac00 */
+    HANGUL_SYLLABLE=0xac00+14*28+3, /* Hangul syllable = U+1100 * U+116f * U+11aa */
+
+    MUSICAL_VOID_NOTEHEAD=0x1d157,
+    MUSICAL_HALF_NOTE=0x1d15e,  /* NFC/NFD->Notehead+Stem */
+    MUSICAL_STEM=0x1d165,       /* cc=216 */
+    MUSICAL_STACCATO=0x1d17c    /* cc=220 */
+};
+
+static void
+TestNormCoverage() {
+    UChar input[1000], expect[1000], output[1000];
+    UErrorCode errorCode;
+    int32_t i, length, inLength, expectLength, hangulPrefixLength, preflightLength;
+
+    /* create a long and nasty string with NFKC-unsafe characters */
+    inLength=0;
+
+    /* 3 Jamos L/V/T, all 8 combinations normal/compatibility */
+    input[inLength++]=HANGUL_KIYEOK;
+    input[inLength++]=HANGUL_WEO;
+    input[inLength++]=HANGUL_KIYEOK_SIOS;
+
+    input[inLength++]=HANGUL_KIYEOK;
+    input[inLength++]=HANGUL_WEO;
+    input[inLength++]=HANGUL_K_KIYEOK_SIOS;
+
+    input[inLength++]=HANGUL_KIYEOK;
+    input[inLength++]=HANGUL_K_WEO;
+    input[inLength++]=HANGUL_KIYEOK_SIOS;
+
+    input[inLength++]=HANGUL_KIYEOK;
+    input[inLength++]=HANGUL_K_WEO;
+    input[inLength++]=HANGUL_K_KIYEOK_SIOS;
+
+    input[inLength++]=HANGUL_K_KIYEOK;
+    input[inLength++]=HANGUL_WEO;
+    input[inLength++]=HANGUL_KIYEOK_SIOS;
+
+    input[inLength++]=HANGUL_K_KIYEOK;
+    input[inLength++]=HANGUL_WEO;
+    input[inLength++]=HANGUL_K_KIYEOK_SIOS;
+
+    input[inLength++]=HANGUL_K_KIYEOK;
+    input[inLength++]=HANGUL_K_WEO;
+    input[inLength++]=HANGUL_KIYEOK_SIOS;
+
+    input[inLength++]=HANGUL_K_KIYEOK;
+    input[inLength++]=HANGUL_K_WEO;
+    input[inLength++]=HANGUL_K_KIYEOK_SIOS;
+
+    /* Hangul LV with normal/compatibility Jamo T */
+    input[inLength++]=HANGUL_AC00;
+    input[inLength++]=HANGUL_KIYEOK_SIOS;
+
+    input[inLength++]=HANGUL_AC00;
+    input[inLength++]=HANGUL_K_KIYEOK_SIOS;
+
+    /* compatibility Jamo L, V */
+    input[inLength++]=HANGUL_K_KIYEOK;
+    input[inLength++]=HANGUL_K_WEO;
+
+    hangulPrefixLength=inLength;
+
+    input[inLength++]=UTF16_LEAD(MUSICAL_HALF_NOTE);
+    input[inLength++]=UTF16_TRAIL(MUSICAL_HALF_NOTE);
+    for(i=0; i<200; ++i) {
+        input[inLength++]=UTF16_LEAD(MUSICAL_STACCATO);
+        input[inLength++]=UTF16_TRAIL(MUSICAL_STACCATO);
+        input[inLength++]=UTF16_LEAD(MUSICAL_STEM);
+        input[inLength++]=UTF16_TRAIL(MUSICAL_STEM);
+    }
+
+    /* (compatibility) Jamo L, T do not compose */
+    input[inLength++]=HANGUL_K_KIYEOK;
+    input[inLength++]=HANGUL_K_KIYEOK_SIOS;
+
+    /* quick checks */
+    errorCode=U_ZERO_ERROR;
+    if(UNORM_NO!=unorm_quickCheck(input, inLength, UNORM_NFD, &errorCode) || U_FAILURE(errorCode)) {
+        log_data_err("error unorm_quickCheck(long input, UNORM_NFD)!=NO (%s) - (Are you missing data?)\n", u_errorName(errorCode));
+    }
+    errorCode=U_ZERO_ERROR;
+    if(UNORM_NO!=unorm_quickCheck(input, inLength, UNORM_NFKD, &errorCode) || U_FAILURE(errorCode)) {
+        log_data_err("error unorm_quickCheck(long input, UNORM_NFKD)!=NO (%s) - (Are you missing data?)\n", u_errorName(errorCode));
+    }
+    errorCode=U_ZERO_ERROR;
+    if(UNORM_NO!=unorm_quickCheck(input, inLength, UNORM_NFC, &errorCode) || U_FAILURE(errorCode)) {
+        log_data_err("error unorm_quickCheck(long input, UNORM_NFC)!=NO (%s) - (Are you missing data?)\n", u_errorName(errorCode));
+    }
+    errorCode=U_ZERO_ERROR;
+    if(UNORM_NO!=unorm_quickCheck(input, inLength, UNORM_NFKC, &errorCode) || U_FAILURE(errorCode)) {
+        log_data_err("error unorm_quickCheck(long input, UNORM_NFKC)!=NO (%s) - (Are you missing data?)\n", u_errorName(errorCode));
+    }
+    errorCode=U_ZERO_ERROR;
+    if(UNORM_NO!=unorm_quickCheck(input, inLength, UNORM_FCD, &errorCode) || U_FAILURE(errorCode)) {
+        log_data_err("error unorm_quickCheck(long input, UNORM_FCD)!=NO (%s) - (Are you missing data?)\n", u_errorName(errorCode));
+    }
+
+    /* NFKC */
+    expectLength=0;
+    expect[expectLength++]=HANGUL_SYLLABLE;
+
+    expect[expectLength++]=HANGUL_SYLLABLE;
+
+    expect[expectLength++]=HANGUL_SYLLABLE;
+
+    expect[expectLength++]=HANGUL_SYLLABLE;
+
+    expect[expectLength++]=HANGUL_SYLLABLE;
+
+    expect[expectLength++]=HANGUL_SYLLABLE;
+
+    expect[expectLength++]=HANGUL_SYLLABLE;
+
+    expect[expectLength++]=HANGUL_SYLLABLE;
+
+    expect[expectLength++]=HANGUL_AC00+3;
+
+    expect[expectLength++]=HANGUL_AC00+3;
+
+    expect[expectLength++]=HANGUL_AC00+14*28;
+
+    expect[expectLength++]=UTF16_LEAD(MUSICAL_VOID_NOTEHEAD);
+    expect[expectLength++]=UTF16_TRAIL(MUSICAL_VOID_NOTEHEAD);
+    expect[expectLength++]=UTF16_LEAD(MUSICAL_STEM);
+    expect[expectLength++]=UTF16_TRAIL(MUSICAL_STEM);
+    for(i=0; i<200; ++i) {
+        expect[expectLength++]=UTF16_LEAD(MUSICAL_STEM);
+        expect[expectLength++]=UTF16_TRAIL(MUSICAL_STEM);
+    }
+    for(i=0; i<200; ++i) {
+        expect[expectLength++]=UTF16_LEAD(MUSICAL_STACCATO);
+        expect[expectLength++]=UTF16_TRAIL(MUSICAL_STACCATO);
+    }
+
+    expect[expectLength++]=HANGUL_KIYEOK;
+    expect[expectLength++]=HANGUL_KIYEOK_SIOS;
+
+    /* try destination overflow first */
+    errorCode=U_ZERO_ERROR;
+    preflightLength=unorm_normalize(input, inLength,
+                           UNORM_NFKC, 0,
+                           output, 100, /* too short */
+                           &errorCode);
+    if(errorCode!=U_BUFFER_OVERFLOW_ERROR) {
+        log_data_err("error unorm_normalize(long input, output too short, UNORM_NFKC) did not overflow but %s - (Are you missing data?)\n", u_errorName(errorCode));
+    }
+
+    /* real NFKC */
+    errorCode=U_ZERO_ERROR;
+    length=unorm_normalize(input, inLength,
+                           UNORM_NFKC, 0,
+                           output, sizeof(output)/U_SIZEOF_UCHAR,
+                           &errorCode);
+    if(U_FAILURE(errorCode)) {
+        log_data_err("error unorm_normalize(long input, UNORM_NFKC) failed with %s - (Are you missing data?)\n", u_errorName(errorCode));
+    } else if(length!=expectLength || u_memcmp(output, expect, length)!=0) {
+        log_err("error unorm_normalize(long input, UNORM_NFKC) produced wrong result\n");
+        for(i=0; i<length; ++i) {
+            if(output[i]!=expect[i]) {
+                log_err("    NFKC[%d]==U+%04lx expected U+%04lx\n", i, output[i], expect[i]);
+                break;
+            }
+        }
+    }
+    if(length!=preflightLength) {
+        log_err("error unorm_normalize(long input, UNORM_NFKC)==%ld but preflightLength==%ld\n", length, preflightLength);
+    }
+
+    /* FCD */
+    u_memcpy(expect, input, hangulPrefixLength);
+    expectLength=hangulPrefixLength;
+
+    expect[expectLength++]=UTF16_LEAD(MUSICAL_VOID_NOTEHEAD);
+    expect[expectLength++]=UTF16_TRAIL(MUSICAL_VOID_NOTEHEAD);
+    expect[expectLength++]=UTF16_LEAD(MUSICAL_STEM);
+    expect[expectLength++]=UTF16_TRAIL(MUSICAL_STEM);
+    for(i=0; i<200; ++i) {
+        expect[expectLength++]=UTF16_LEAD(MUSICAL_STEM);
+        expect[expectLength++]=UTF16_TRAIL(MUSICAL_STEM);
+    }
+    for(i=0; i<200; ++i) {
+        expect[expectLength++]=UTF16_LEAD(MUSICAL_STACCATO);
+        expect[expectLength++]=UTF16_TRAIL(MUSICAL_STACCATO);
+    }
+
+    expect[expectLength++]=HANGUL_K_KIYEOK;
+    expect[expectLength++]=HANGUL_K_KIYEOK_SIOS;
+
+    errorCode=U_ZERO_ERROR;
+    length=unorm_normalize(input, inLength,
+                           UNORM_FCD, 0,
+                           output, sizeof(output)/U_SIZEOF_UCHAR,
+                           &errorCode);
+    if(U_FAILURE(errorCode)) {
+        log_data_err("error unorm_normalize(long input, UNORM_FCD) failed with %s - (Are you missing data?)\n", u_errorName(errorCode));
+    } else if(length!=expectLength || u_memcmp(output, expect, length)!=0) {
+        log_err("error unorm_normalize(long input, UNORM_FCD) produced wrong result\n");
+        for(i=0; i<length; ++i) {
+            if(output[i]!=expect[i]) {
+                log_err("    FCD[%d]==U+%04lx expected U+%04lx\n", i, output[i], expect[i]);
+                break;
+            }
+        }
+    }
+}
+
+/* API test for unorm_concatenate() - for real test strings see intltest/tstnorm.cpp */
+static void
+TestConcatenate(void) {
+    /* "re + 'sume'" */
+    static const UChar
+    left[]={
+        0x72, 0x65, 0
+    },
+    right[]={
+        0x301, 0x73, 0x75, 0x6d, 0xe9, 0
+    },
+    expect[]={
+        0x72, 0xe9, 0x73, 0x75, 0x6d, 0xe9, 0
+    };
+
+    UChar buffer[100];
+    UErrorCode errorCode;
+    int32_t length;
+
+    /* left with length, right NUL-terminated */
+    errorCode=U_ZERO_ERROR;
+    length=unorm_concatenate(left, 2, right, -1, buffer, 100, UNORM_NFC, 0, &errorCode);
+    if(U_FAILURE(errorCode) || length!=6 || 0!=u_memcmp(buffer, expect, length)) {
+        log_data_err("error: unorm_concatenate()=%ld (expect 6) failed with %s - (Are you missing data?)\n", length, u_errorName(errorCode));
+    }
+
+    /* preflighting */
+    errorCode=U_ZERO_ERROR;
+    length=unorm_concatenate(left, 2, right, -1, NULL, 0, UNORM_NFC, 0, &errorCode);
+    if(errorCode!=U_BUFFER_OVERFLOW_ERROR || length!=6) {
+        log_data_err("error: unorm_concatenate(preflighting)=%ld (expect 6) failed with %s - (Are you missing data?)\n", length, u_errorName(errorCode));
+    }
+
+    buffer[2]=0x5555;
+    errorCode=U_ZERO_ERROR;
+    length=unorm_concatenate(left, 2, right, -1, buffer, 1, UNORM_NFC, 0, &errorCode);
+    if(errorCode!=U_BUFFER_OVERFLOW_ERROR || length!=6 || buffer[2]!=0x5555) {
+        log_data_err("error: unorm_concatenate(preflighting 2)=%ld (expect 6) failed with %s - (Are you missing data?)\n", length, u_errorName(errorCode));
+    }
+
+    /* enter with U_FAILURE */
+    buffer[2]=0xaaaa;
+    errorCode=U_UNEXPECTED_TOKEN;
+    length=unorm_concatenate(left, 2, right, -1, buffer, 100, UNORM_NFC, 0, &errorCode);
+    if(errorCode!=U_UNEXPECTED_TOKEN || buffer[2]!=0xaaaa) {
+        log_err("error: unorm_concatenate(failure)=%ld failed with %s\n", length, u_errorName(errorCode));
+    }
+
+    /* illegal arguments */
+    buffer[2]=0xaaaa;
+    errorCode=U_ZERO_ERROR;
+    length=unorm_concatenate(NULL, 2, right, -1, buffer, 100, UNORM_NFC, 0, &errorCode);
+    if(errorCode!=U_ILLEGAL_ARGUMENT_ERROR || buffer[2]!=0xaaaa) {
+        log_data_err("error: unorm_concatenate(left=NULL)=%ld failed with %s - (Are you missing data?)\n", length, u_errorName(errorCode));
+    }
+
+    errorCode=U_ZERO_ERROR;
+    length=unorm_concatenate(left, 2, right, -1, NULL, 100, UNORM_NFC, 0, &errorCode);
+    if(errorCode!=U_ILLEGAL_ARGUMENT_ERROR) {
+        log_data_err("error: unorm_concatenate(buffer=NULL)=%ld failed with %s - (Are you missing data?)\n", length, u_errorName(errorCode));
+    }
+}
+
+enum {
+    _PLUS=0x2b
+};
+
+static const char *const _modeString[UNORM_MODE_COUNT]={
+    "0", "NONE", "NFD", "NFKD", "NFC", "NFKC", "FCD"
+};
+
+static void
+_testIter(const UChar *src, int32_t srcLength,
+          UCharIterator *iter, UNormalizationMode mode, UBool forward,
+          const UChar *out, int32_t outLength,
+          const int32_t *srcIndexes, int32_t srcIndexesLength) {
+    UChar buffer[4];
+    const UChar *expect, *outLimit, *in;
+    int32_t length, i, expectLength, expectIndex, prevIndex, index, inLength;
+    UErrorCode errorCode;
+    UBool neededToNormalize, expectNeeded;
+
+    errorCode=U_ZERO_ERROR;
+    outLimit=out+outLength;
+    if(forward) {
+        expect=out;
+        i=index=0;
+    } else {
+        expect=outLimit;
+        i=srcIndexesLength-2;
+        index=srcLength;
+    }
+
+    for(;;) {
+        prevIndex=index;
+        if(forward) {
+            if(!iter->hasNext(iter)) {
+                return;
+            }
+            length=unorm_next(iter,
+                              buffer, sizeof(buffer)/U_SIZEOF_UCHAR,
+                              mode, 0,
+                              (UBool)(out!=NULL), &neededToNormalize,
+                              &errorCode);
+            expectIndex=srcIndexes[i+1];
+            in=src+prevIndex;
+            inLength=expectIndex-prevIndex;
+
+            if(out!=NULL) {
+                /* get output piece from between plus signs */
+                expectLength=0;
+                while((expect+expectLength)!=outLimit && expect[expectLength]!=_PLUS) {
+                    ++expectLength;
+                }
+                expectNeeded=(UBool)(0!=u_memcmp(buffer, in, inLength));
+            } else {
+                expect=in;
+                expectLength=inLength;
+                expectNeeded=FALSE;
+            }
+        } else {
+            if(!iter->hasPrevious(iter)) {
+                return;
+            }
+            length=unorm_previous(iter,
+                                  buffer, sizeof(buffer)/U_SIZEOF_UCHAR,
+                                  mode, 0,
+                                  (UBool)(out!=NULL), &neededToNormalize,
+                                  &errorCode);
+            expectIndex=srcIndexes[i];
+            in=src+expectIndex;
+            inLength=prevIndex-expectIndex;
+
+            if(out!=NULL) {
+                /* get output piece from between plus signs */
+                expectLength=0;
+                while(expect!=out && expect[-1]!=_PLUS) {
+                    ++expectLength;
+                    --expect;
+                }
+                expectNeeded=(UBool)(0!=u_memcmp(buffer, in, inLength));
+            } else {
+                expect=in;
+                expectLength=inLength;
+                expectNeeded=FALSE;
+            }
+        }
+        index=iter->getIndex(iter, UITER_CURRENT);
+
+        if(U_FAILURE(errorCode)) {
+            log_data_err("error unorm iteration (next/previous %d %s)[%d]: %s - (Are you missing data?)\n",
+                    forward, _modeString[mode], i, u_errorName(errorCode));
+            return;
+        }
+        if(expectIndex!=index) {
+            log_err("error unorm iteration (next/previous %d %s): index[%d] wrong, got %d expected %d\n",
+                    forward, _modeString[mode], i, index, expectIndex);
+            return;
+        }
+        if(expectLength!=length) {
+            log_err("error unorm iteration (next/previous %d %s): length[%d] wrong, got %d expected %d\n",
+                    forward, _modeString[mode], i, length, expectLength);
+            return;
+        }
+        if(0!=u_memcmp(expect, buffer, length)) {
+            log_err("error unorm iteration (next/previous %d %s): output string[%d] wrong\n",
+                    forward, _modeString[mode], i);
+            return;
+        }
+        if(neededToNormalize!=expectNeeded) {
+        }
+
+        if(forward) {
+            expect+=expectLength+1; /* go after the + */
+            ++i;
+        } else {
+            --expect; /* go before the + */
+            --i;
+        }
+    }
+}
+
+static void
+TestNextPrevious() {
+    static const UChar
+    src[]={ /* input string */
+        0xa0, 0xe4, 0x63, 0x302, 0x327, 0xac00, 0x3133
+    },
+    nfd[]={ /* + separates expected output pieces */
+        0xa0, _PLUS, 0x61, 0x308, _PLUS, 0x63, 0x327, 0x302, _PLUS, 0x1100, 0x1161, _PLUS, 0x3133
+    },
+    nfkd[]={
+        0x20, _PLUS, 0x61, 0x308, _PLUS, 0x63, 0x327, 0x302, _PLUS, 0x1100, 0x1161, _PLUS, 0x11aa
+    },
+    nfc[]={
+        0xa0, _PLUS, 0xe4, _PLUS, 0xe7, 0x302, _PLUS, 0xac00, _PLUS, 0x3133
+    },
+    nfkc[]={
+        0x20, _PLUS, 0xe4, _PLUS, 0xe7, 0x302, _PLUS, 0xac03
+    },
+    fcd[]={
+        0xa0, _PLUS, 0xe4, _PLUS, 0x63, 0x327, 0x302, _PLUS, 0xac00, _PLUS, 0x3133
+    };
+
+    /* expected iterator indexes in the source string for each iteration piece */
+    static const int32_t
+    nfdIndexes[]={
+        0, 1, 2, 5, 6, 7
+    },
+    nfkdIndexes[]={
+        0, 1, 2, 5, 6, 7
+    },
+    nfcIndexes[]={
+        0, 1, 2, 5, 6, 7
+    },
+    nfkcIndexes[]={
+        0, 1, 2, 5, 7
+    },
+    fcdIndexes[]={
+        0, 1, 2, 5, 6, 7
+    };
+
+    UCharIterator iter;
+
+    UChar buffer[4];
+    int32_t length;
+
+    UBool neededToNormalize;
+    UErrorCode errorCode;
+
+    uiter_setString(&iter, src, sizeof(src)/U_SIZEOF_UCHAR);
+
+    /* test iteration with doNormalize */
+    iter.index=0;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_NFD, TRUE, nfd, sizeof(nfd)/U_SIZEOF_UCHAR, nfdIndexes, sizeof(nfdIndexes)/4);
+    iter.index=0;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_NFKD, TRUE, nfkd, sizeof(nfkd)/U_SIZEOF_UCHAR, nfkdIndexes, sizeof(nfkdIndexes)/4);
+    iter.index=0;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_NFC, TRUE, nfc, sizeof(nfc)/U_SIZEOF_UCHAR, nfcIndexes, sizeof(nfcIndexes)/4);
+    iter.index=0;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_NFKC, TRUE, nfkc, sizeof(nfkc)/U_SIZEOF_UCHAR, nfkcIndexes, sizeof(nfkcIndexes)/4);
+    iter.index=0;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_FCD, TRUE, fcd, sizeof(fcd)/U_SIZEOF_UCHAR, fcdIndexes, sizeof(fcdIndexes)/4);
+
+    iter.index=iter.length;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_NFD, FALSE, nfd, sizeof(nfd)/U_SIZEOF_UCHAR, nfdIndexes, sizeof(nfdIndexes)/4);
+    iter.index=iter.length;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_NFKD, FALSE, nfkd, sizeof(nfkd)/U_SIZEOF_UCHAR, nfkdIndexes, sizeof(nfkdIndexes)/4);
+    iter.index=iter.length;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_NFC, FALSE, nfc, sizeof(nfc)/U_SIZEOF_UCHAR, nfcIndexes, sizeof(nfcIndexes)/4);
+    iter.index=iter.length;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_NFKC, FALSE, nfkc, sizeof(nfkc)/U_SIZEOF_UCHAR, nfkcIndexes, sizeof(nfkcIndexes)/4);
+    iter.index=iter.length;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_FCD, FALSE, fcd, sizeof(fcd)/U_SIZEOF_UCHAR, fcdIndexes, sizeof(fcdIndexes)/4);
+
+    /* test iteration without doNormalize */
+    iter.index=0;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_NFD, TRUE, NULL, 0, nfdIndexes, sizeof(nfdIndexes)/4);
+    iter.index=0;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_NFKD, TRUE, NULL, 0, nfkdIndexes, sizeof(nfkdIndexes)/4);
+    iter.index=0;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_NFC, TRUE, NULL, 0, nfcIndexes, sizeof(nfcIndexes)/4);
+    iter.index=0;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_NFKC, TRUE, NULL, 0, nfkcIndexes, sizeof(nfkcIndexes)/4);
+    iter.index=0;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_FCD, TRUE, NULL, 0, fcdIndexes, sizeof(fcdIndexes)/4);
+
+    iter.index=iter.length;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_NFD, FALSE, NULL, 0, nfdIndexes, sizeof(nfdIndexes)/4);
+    iter.index=iter.length;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_NFKD, FALSE, NULL, 0, nfkdIndexes, sizeof(nfkdIndexes)/4);
+    iter.index=iter.length;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_NFC, FALSE, NULL, 0, nfcIndexes, sizeof(nfcIndexes)/4);
+    iter.index=iter.length;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_NFKC, FALSE, NULL, 0, nfkcIndexes, sizeof(nfkcIndexes)/4);
+    iter.index=iter.length;
+    _testIter(src, sizeof(src)/U_SIZEOF_UCHAR, &iter, UNORM_FCD, FALSE, NULL, 0, fcdIndexes, sizeof(fcdIndexes)/4);
+
+    /* try without neededToNormalize */
+    errorCode=U_ZERO_ERROR;
+    buffer[0]=5;
+    iter.index=1;
+    length=unorm_next(&iter, buffer, sizeof(buffer)/U_SIZEOF_UCHAR,
+                      UNORM_NFD, 0, TRUE, NULL,
+                      &errorCode);
+    if(U_FAILURE(errorCode) || length!=2 || buffer[0]!=nfd[2] || buffer[1]!=nfd[3]) {
+        log_data_err("error unorm_next(without needed) %s - (Are you missing data?)\n", u_errorName(errorCode));
+        return;
+    }
+
+    /* preflight */
+    neededToNormalize=9;
+    iter.index=1;
+    length=unorm_next(&iter, NULL, 0,
+                      UNORM_NFD, 0, TRUE, &neededToNormalize,
+                      &errorCode);
+    if(errorCode!=U_BUFFER_OVERFLOW_ERROR || neededToNormalize!=FALSE || length!=2) {
+        log_err("error unorm_next(pure preflighting) %s\n", u_errorName(errorCode));
+        return;
+    }
+
+    errorCode=U_ZERO_ERROR;
+    buffer[0]=buffer[1]=5;
+    neededToNormalize=9;
+    iter.index=1;
+    length=unorm_next(&iter, buffer, 1,
+                      UNORM_NFD, 0, TRUE, &neededToNormalize,
+                      &errorCode);
+    if(errorCode!=U_BUFFER_OVERFLOW_ERROR || neededToNormalize!=FALSE || length!=2 || buffer[1]!=5) {
+        log_err("error unorm_next(preflighting) %s\n", u_errorName(errorCode));
+        return;
+    }
+
+    /* no iterator */
+    errorCode=U_ZERO_ERROR;
+    buffer[0]=buffer[1]=5;
+    neededToNormalize=9;
+    iter.index=1;
+    length=unorm_next(NULL, buffer, sizeof(buffer)/U_SIZEOF_UCHAR,
+                      UNORM_NFD, 0, TRUE, &neededToNormalize,
+                      &errorCode);
+    if(errorCode!=U_ILLEGAL_ARGUMENT_ERROR) {
+        log_err("error unorm_next(no iterator) %s\n", u_errorName(errorCode));
+        return;
+    }
+
+    /* illegal mode */
+    buffer[0]=buffer[1]=5;
+    neededToNormalize=9;
+    iter.index=1;
+    length=unorm_next(&iter, buffer, sizeof(buffer)/U_SIZEOF_UCHAR,
+                      (UNormalizationMode)0, 0, TRUE, &neededToNormalize,
+                      &errorCode);
+    if(errorCode!=U_ILLEGAL_ARGUMENT_ERROR) {
+        log_err("error unorm_next(illegal mode) %s\n", u_errorName(errorCode));
+        return;
+    }
+
+    /* error coming in */
+    errorCode=U_MISPLACED_QUANTIFIER;
+    buffer[0]=5;
+    iter.index=1;
+    length=unorm_next(&iter, buffer, sizeof(buffer)/U_SIZEOF_UCHAR,
+                      UNORM_NFD, 0, TRUE, NULL,
+                      &errorCode);
+    if(errorCode!=U_MISPLACED_QUANTIFIER) {
+        log_err("error unorm_next(U_MISPLACED_QUANTIFIER) %s\n", u_errorName(errorCode));
+        return;
+    }
+}
+
+static void
+TestFCNFKCClosure(void) {
+    static const struct {
+        UChar32 c;
+        const UChar s[6];
+    } tests[]={
+        { 0x00C4, { 0 } },
+        { 0x00E4, { 0 } },
+        { 0x037A, { 0x0020, 0x03B9, 0 } },
+        { 0x03D2, { 0x03C5, 0 } },
+        { 0x20A8, { 0x0072, 0x0073, 0 } },
+        { 0x210B, { 0x0068, 0 } },
+        { 0x210C, { 0x0068, 0 } },
+        { 0x2121, { 0x0074, 0x0065, 0x006C, 0 } },
+        { 0x2122, { 0x0074, 0x006D, 0 } },
+        { 0x2128, { 0x007A, 0 } },
+        { 0x1D5DB, { 0x0068, 0 } },
+        { 0x1D5ED, { 0x007A, 0 } },
+        { 0x0061, { 0 } }
+    };
+
+    UChar buffer[8];
+    UErrorCode errorCode;
+    int32_t i, length;
+
+    for(i=0; i<LENGTHOF(tests); ++i) {
+        errorCode=U_ZERO_ERROR;
+        length=u_getFC_NFKC_Closure(tests[i].c, buffer, LENGTHOF(buffer), &errorCode);
+        if(U_FAILURE(errorCode) || length!=u_strlen(buffer) || 0!=u_strcmp(tests[i].s, buffer)) {
+            log_data_err("u_getFC_NFKC_Closure(U+%04lx) is wrong (%s) - (Are you missing data?)\n", tests[i].c, u_errorName(errorCode));
+        }
+    }
+
+    /* error handling */
+    errorCode=U_ZERO_ERROR;
+    length=u_getFC_NFKC_Closure(0x5c, NULL, LENGTHOF(buffer), &errorCode);
+    if(errorCode!=U_ILLEGAL_ARGUMENT_ERROR) {
+        log_err("u_getFC_NFKC_Closure(dest=NULL) is wrong (%s)\n", u_errorName(errorCode));
+    }
+
+    length=u_getFC_NFKC_Closure(0x5c, buffer, LENGTHOF(buffer), &errorCode);
+    if(errorCode!=U_ILLEGAL_ARGUMENT_ERROR) {
+        log_err("u_getFC_NFKC_Closure(U_FAILURE) is wrong (%s)\n", u_errorName(errorCode));
+    }
+}
+
+static void
+TestQuickCheckPerCP() {
+    UErrorCode errorCode;
+    UChar32 c, lead, trail;
+    UChar s[U16_MAX_LENGTH], nfd[16];
+    int32_t length, lccc1, lccc2, tccc1, tccc2;
+    int32_t qc1, qc2;
+
+    if(
+        u_getIntPropertyMaxValue(UCHAR_NFD_QUICK_CHECK)!=(int32_t)UNORM_YES ||
+        u_getIntPropertyMaxValue(UCHAR_NFKD_QUICK_CHECK)!=(int32_t)UNORM_YES ||
+        u_getIntPropertyMaxValue(UCHAR_NFC_QUICK_CHECK)!=(int32_t)UNORM_MAYBE ||
+        u_getIntPropertyMaxValue(UCHAR_NFKC_QUICK_CHECK)!=(int32_t)UNORM_MAYBE ||
+        u_getIntPropertyMaxValue(UCHAR_LEAD_CANONICAL_COMBINING_CLASS)!=u_getIntPropertyMaxValue(UCHAR_CANONICAL_COMBINING_CLASS) ||
+        u_getIntPropertyMaxValue(UCHAR_TRAIL_CANONICAL_COMBINING_CLASS)!=u_getIntPropertyMaxValue(UCHAR_CANONICAL_COMBINING_CLASS)
+    ) {
+        log_err("wrong result from one of the u_getIntPropertyMaxValue(UCHAR_NF*_QUICK_CHECK) or UCHAR_*_CANONICAL_COMBINING_CLASS\n");
+    }
+
+    /*
+     * compare the quick check property values for some code points
+     * to the quick check results for checking same-code point strings
+     */
+    errorCode=U_ZERO_ERROR;
+    c=0;
+    while(c<0x110000) {
+        length=0;
+        U16_APPEND_UNSAFE(s, length, c);
+
+        qc1=u_getIntPropertyValue(c, UCHAR_NFC_QUICK_CHECK);
+        qc2=unorm_quickCheck(s, length, UNORM_NFC, &errorCode);
+        if(qc1!=qc2) {
+            log_data_err("u_getIntPropertyValue(NFC)=%d != %d=unorm_quickCheck(NFC) for U+%04x - (Are you missing data?)\n", qc1, qc2, c);
+        }
+
+        qc1=u_getIntPropertyValue(c, UCHAR_NFD_QUICK_CHECK);
+        qc2=unorm_quickCheck(s, length, UNORM_NFD, &errorCode);
+        if(qc1!=qc2) {
+            log_data_err("u_getIntPropertyValue(NFD)=%d != %d=unorm_quickCheck(NFD) for U+%04x - (Are you missing data?)\n", qc1, qc2, c);
+        }
+
+        qc1=u_getIntPropertyValue(c, UCHAR_NFKC_QUICK_CHECK);
+        qc2=unorm_quickCheck(s, length, UNORM_NFKC, &errorCode);
+        if(qc1!=qc2) {
+            log_data_err("u_getIntPropertyValue(NFKC)=%d != %d=unorm_quickCheck(NFKC) for U+%04x - (Are you missing data?)\n", qc1, qc2, c);
+        }
+
+        qc1=u_getIntPropertyValue(c, UCHAR_NFKD_QUICK_CHECK);
+        qc2=unorm_quickCheck(s, length, UNORM_NFKD, &errorCode);
+        if(qc1!=qc2) {
+            log_data_err("u_getIntPropertyValue(NFKD)=%d != %d=unorm_quickCheck(NFKD) for U+%04x - (Are you missing data?)\n", qc1, qc2, c);
+        }
+
+        length=unorm_normalize(s, length, UNORM_NFD, 0, nfd, LENGTHOF(nfd), &errorCode);
+        /* length-length == 0 is used to get around a compiler warning. */
+        U16_GET(nfd, 0, length-length, length, lead);
+        U16_GET(nfd, 0, length-1, length, trail);
+
+        lccc1=u_getIntPropertyValue(c, UCHAR_LEAD_CANONICAL_COMBINING_CLASS);
+        lccc2=u_getCombiningClass(lead);
+        tccc1=u_getIntPropertyValue(c, UCHAR_TRAIL_CANONICAL_COMBINING_CLASS);
+        tccc2=u_getCombiningClass(trail);
+
+        if(lccc1!=lccc2) {
+            log_err("u_getIntPropertyValue(lccc)=%d != %d=u_getCombiningClass(lead) for U+%04x\n",
+                    lccc1, lccc2, c);
+        }
+        if(tccc1!=tccc2) {
+            log_err("u_getIntPropertyValue(tccc)=%d != %d=u_getCombiningClass(trail) for U+%04x\n",
+                    tccc1, tccc2, c);
+        }
+
+        /* skip some code points */
+        c=(20*c)/19+1;
+    }
+}
+
+static void
+TestComposition(void) {
+    static const struct {
+        UNormalizationMode mode;
+        uint32_t options;
+        UChar input[12];
+        UChar expect[12];
+    } cases[]={
+        /*
+         * special cases for UAX #15 bug
+         * see Unicode Corrigendum #5: Normalization Idempotency
+         * at http://unicode.org/versions/corrigendum5.html
+         * (was Public Review Issue #29)
+         */
+        { UNORM_NFC, 0, { 0x1100, 0x0300, 0x1161, 0x0327 },         { 0x1100, 0x0300, 0x1161, 0x0327 } },
+        { UNORM_NFC, 0, { 0x1100, 0x0300, 0x1161, 0x0327, 0x11a8 }, { 0x1100, 0x0300, 0x1161, 0x0327, 0x11a8 } },
+        { UNORM_NFC, 0, { 0xac00, 0x0300, 0x0327, 0x11a8 },         { 0xac00, 0x0327, 0x0300, 0x11a8 } },
+        { UNORM_NFC, 0, { 0x0b47, 0x0300, 0x0b3e },                 { 0x0b47, 0x0300, 0x0b3e } },
+
+        /* TODO: add test cases for UNORM_FCC here (j2151) */
+    };
+
+    UChar output[16];
+    UErrorCode errorCode;
+    int32_t i, length;
+
+    for(i=0; i<LENGTHOF(cases); ++i) {
+        errorCode=U_ZERO_ERROR;
+        length=unorm_normalize(
+                    cases[i].input, -1,
+                    cases[i].mode, cases[i].options,
+                    output, LENGTHOF(output),
+                    &errorCode);
+        if( U_FAILURE(errorCode) ||
+            length!=u_strlen(cases[i].expect) ||
+            0!=u_memcmp(output, cases[i].expect, length)
+        ) {
+            log_data_err("unexpected result for case %d - (Are you missing data?)\n", i);
+        }
+    }
+}
+
+static void
+TestGetDecomposition() {
+    UChar decomp[32];
+    int32_t length;
+
+    UErrorCode errorCode=U_ZERO_ERROR;
+    const UNormalizer2 *n2=unorm2_getInstance(NULL, "nfc", UNORM2_COMPOSE_CONTIGUOUS, &errorCode);
+    if(U_FAILURE(errorCode)) {
+        log_err_status(errorCode, "unorm2_getInstance(nfc/FCC) failed: %s\n", u_errorName(errorCode));
+        return;
+    }
+
+    length=unorm2_getDecomposition(n2, 0x20, decomp, LENGTHOF(decomp), &errorCode);
+    if(U_FAILURE(errorCode) || length>=0) {
+        log_err("unorm2_getDecomposition(space) failed\n");
+    }
+    errorCode=U_ZERO_ERROR;
+    length=unorm2_getDecomposition(n2, 0xe4, decomp, LENGTHOF(decomp), &errorCode);
+    if(U_FAILURE(errorCode) || length!=2 || decomp[0]!=0x61 || decomp[1]!=0x308 || decomp[2]!=0) {
+        log_err("unorm2_getDecomposition(a-umlaut) failed\n");
+    }
+    errorCode=U_ZERO_ERROR;
+    length=unorm2_getDecomposition(n2, 0xac01, decomp, LENGTHOF(decomp), &errorCode);
+    if(U_FAILURE(errorCode) || length!=3 || decomp[0]!=0x1100 || decomp[1]!=0x1161 || decomp[2]!=0x11a8 || decomp[3]!=0) {
+        log_err("unorm2_getDecomposition(Hangul syllable U+AC01) failed\n");
+    }
+    errorCode=U_ZERO_ERROR;
+    length=unorm2_getDecomposition(n2, 0xac01, NULL, 0, &errorCode);
+    if(errorCode!=U_BUFFER_OVERFLOW_ERROR || length!=3) {
+        log_err("unorm2_getDecomposition(Hangul syllable U+AC01) overflow failed\n");
+    }
+    errorCode=U_ZERO_ERROR;
+    length=unorm2_getDecomposition(n2, 0xac01, decomp, -1, &errorCode);
+    if(errorCode!=U_ILLEGAL_ARGUMENT_ERROR) {
+        log_err("unorm2_getDecomposition(capacity<0) failed\n");
+    }
+    errorCode=U_ZERO_ERROR;
+    length=unorm2_getDecomposition(n2, 0xac01, NULL, 4, &errorCode);
+    if(errorCode!=U_ILLEGAL_ARGUMENT_ERROR) {
+        log_err("unorm2_getDecomposition(decomposition=NULL) failed\n");
+    }
+}
+
+#endif /* #if !UCONFIG_NO_NORMALIZATION */