Update ICU to 54.1 step 1

source/test/intltest/simplepatternformattertest.cpp

+/*
+*******************************************************************************
+* Copyright (C) 2014, International Business Machines Corporation and         *
+* others. All Rights Reserved.                                                *
+*******************************************************************************
+*
+* File SIMPLEPATTERNFORMATTERTEST.CPP
+*
+********************************************************************************
+*/
+#include "cstring.h"
+#include "intltest.h"
+#include "simplepatternformatter.h"
+
+class SimplePatternFormatterTest : public IntlTest {
+public:
+    SimplePatternFormatterTest() {
+    }
+    void TestNoPlaceholders();
+    void TestOnePlaceholder();
+    void TestManyPlaceholders();
+    void TestGetPatternWithNoPlaceholders();
+    void TestOptimization();
+    void runIndexedTest(int32_t index, UBool exec, const char *&name, char *par=0);
+private:
+};
+
+void SimplePatternFormatterTest::runIndexedTest(int32_t index, UBool exec, const char* &name, char* /*par*/) {
+  TESTCASE_AUTO_BEGIN;
+  TESTCASE_AUTO(TestNoPlaceholders);
+  TESTCASE_AUTO(TestOnePlaceholder);
+  TESTCASE_AUTO(TestManyPlaceholders);
+  TESTCASE_AUTO(TestGetPatternWithNoPlaceholders);
+  TESTCASE_AUTO(TestOptimization);
+  TESTCASE_AUTO_END;
+}
+
+void SimplePatternFormatterTest::TestNoPlaceholders() {
+    UErrorCode status = U_ZERO_ERROR;
+    SimplePatternFormatter fmt("This doesn''t have templates '{0}");
+    assertEquals("PlaceholderCount", 0, fmt.getPlaceholderCount());
+    UnicodeString appendTo;
+    assertEquals(
+            "format",
+            "This doesn't have templates {0}", 
+            fmt.format("unused", appendTo, status));
+    fmt.compile("This has {} bad {012d placeholders", status);
+    assertEquals("PlaceholderCount", 0, fmt.getPlaceholderCount());
+    appendTo.remove();
+    assertEquals(
+            "format",
+            "This has {} bad {012d placeholders", 
+            fmt.format("unused", appendTo, status));
+    assertSuccess("Status", status);
+}
+
+void SimplePatternFormatterTest::TestOnePlaceholder() {
+    UErrorCode status = U_ZERO_ERROR;
+    SimplePatternFormatter fmt;
+    fmt.compile("{0} meter", status);
+    assertEquals("PlaceholderCount", 1, fmt.getPlaceholderCount());
+    UnicodeString appendTo;
+    assertEquals(
+            "format",
+            "1 meter",
+            fmt.format("1", appendTo, status));
+    assertSuccess("Status", status);
+
+    // assignment
+    SimplePatternFormatter s;
+    s = fmt;
+    appendTo.remove();
+    assertEquals(
+            "Assignment",
+            "1 meter",
+            s.format("1", appendTo, status));
+
+    // Copy constructor
+    SimplePatternFormatter r(fmt);
+    appendTo.remove();
+    assertEquals(
+            "Copy constructor",
+            "1 meter",
+            r.format("1", appendTo, status));
+    assertSuccess("Status", status);
+}
+
+void SimplePatternFormatterTest::TestManyPlaceholders() {
+    UErrorCode status = U_ZERO_ERROR;
+    SimplePatternFormatter fmt;
+    fmt.compile(
+            "Templates {2}{1}{5} and {4} are out of order.", status);
+    assertSuccess("Status", status);
+    assertFalse("startsWithPlaceholder", fmt.startsWithPlaceholder(2));
+    assertEquals("PlaceholderCount", 6, fmt.getPlaceholderCount());
+    UnicodeString values[] = {
+            "freddy", "tommy", "frog", "billy", "leg", "{0}"};
+    UnicodeString *params[] = {
+           &values[0], &values[1], &values[2], &values[3], &values[4], &values[5]}; 
+    int32_t offsets[6];
+    int32_t expectedOffsets[6] = {-1, 22, 18, -1, 35, 27};
+    UnicodeString appendTo("Prefix: ");
+    assertEquals(
+            "format",
+            "Prefix: Templates frogtommy{0} and leg are out of order.",
+            fmt.format(
+                    params,
+                    UPRV_LENGTHOF(params),
+                    appendTo,
+                    offsets,
+                    UPRV_LENGTHOF(offsets),
+                    status));
+    assertSuccess("Status", status);
+    for (int32_t i = 0; i < UPRV_LENGTHOF(expectedOffsets); ++i) {
+        if (expectedOffsets[i] != offsets[i]) {
+            errln("Expected %d, got %d", expectedOffsets[i], offsets[i]);
+        }
+    }
+    appendTo.remove();
+
+    // Not having enough placeholder params results in error.
+    fmt.format(
+            params,
+            UPRV_LENGTHOF(params) - 1,
+            appendTo,
+            offsets,
+            UPRV_LENGTHOF(offsets),
+            status);
+    if (status != U_ILLEGAL_ARGUMENT_ERROR) {
+        errln("Expected U_ILLEGAL_ARGUMENT_ERROR");
+    }
+
+    // Ensure we don't write to offsets array beyond its length.
+    status = U_ZERO_ERROR;
+    offsets[UPRV_LENGTHOF(offsets) - 1] = 289;
+    appendTo.remove();
+    fmt.format(
+            params,
+            UPRV_LENGTHOF(params),
+            appendTo,
+            offsets,
+            UPRV_LENGTHOF(offsets) - 1,
+            status);
+    assertEquals("Offsets buffer length", 289, offsets[UPRV_LENGTHOF(offsets) - 1]);
+
+    // Test assignment
+    SimplePatternFormatter s;
+    s = fmt;
+    appendTo.remove();
+    assertEquals(
+            "Assignment",
+            "Templates frogtommy{0} and leg are out of order.",
+            s.format(
+                    params,
+                    UPRV_LENGTHOF(params),
+                    appendTo,
+                    NULL,
+                    0,
+                    status));
+
+    // Copy constructor
+    SimplePatternFormatter r(fmt);
+    appendTo.remove();
+    assertEquals(
+            "Copy constructor",
+            "Templates frogtommy{0} and leg are out of order.",
+            r.format(
+                    params,
+                    UPRV_LENGTHOF(params),
+                    appendTo,
+                    NULL,
+                    0,
+                    status));
+    r.compile("{0} meter", status);
+    assertEquals("PlaceholderCount", 1, r.getPlaceholderCount());
+    appendTo.remove();
+    assertEquals(
+            "Replace with new compile",
+            "freddy meter",
+            r.format("freddy", appendTo, status));
+    r.compile("{0}, {1}", status);
+    assertEquals("PlaceholderCount", 2, r.getPlaceholderCount());
+    appendTo.remove();
+    assertEquals(
+            "2 arg",
+            "foo, bar",
+            r.format("foo", "bar", appendTo, status));
+    r.compile("{0}, {1} and {2}", status);
+    assertEquals("PlaceholderCount", 3, r.getPlaceholderCount());
+    appendTo.remove();
+    assertEquals(
+            "3 arg",
+            "foo, bar and baz",
+            r.format("foo", "bar", "baz", appendTo, status));
+    assertSuccess("Status", status);
+}
+
+void SimplePatternFormatterTest::TestGetPatternWithNoPlaceholders() {
+    SimplePatternFormatter fmt("{0} has no {1} placeholders.");
+    assertEquals(
+            "", " has no  placeholders.", fmt.getPatternWithNoPlaceholders());
+}
+
+void SimplePatternFormatterTest::TestOptimization() {
+    UErrorCode status = U_ZERO_ERROR;
+    SimplePatternFormatter fmt;
+    fmt.compile("{2}, {0}, {1} and {3}", status);
+    assertSuccess("Status", status);
+    assertTrue("startsWithPlaceholder", fmt.startsWithPlaceholder(2));
+    assertFalse("startsWithPlaceholder", fmt.startsWithPlaceholder(0));
+    UnicodeString values[] = {
+            "freddy", "frog", "leg", "by"};
+    UnicodeString *params[] = {
+           &values[0], &values[1], &values[2], &values[3]}; 
+    int32_t offsets[4];
+    int32_t expectedOffsets[4] = {5, 13, 0, 22};
+
+    // The pattern starts with {2}, so format should append the result of
+    // the rest of the pattern to values[2], the value for {2}.
+    assertEquals(
+            "format",
+            "leg, freddy, frog and by",
+            fmt.format(
+                    params,
+                    UPRV_LENGTHOF(params),
+                    values[2],
+                    offsets,
+                    UPRV_LENGTHOF(offsets),
+                    status));
+    assertSuccess("Status", status);
+    for (int32_t i = 0; i < UPRV_LENGTHOF(expectedOffsets); ++i) {
+        if (expectedOffsets[i] != offsets[i]) {
+            errln("Expected %d, got %d", expectedOffsets[i], offsets[i]);
+        }
+    }
+}
+
+extern IntlTest *createSimplePatternFormatterTest() {
+    return new SimplePatternFormatterTest();
+}