ICU upgrade to 54.1 step 2

source/test/intltest/regextst.cpp

 /********************************************************************
  * COPYRIGHT:
  * Copyright (c) 2002-2014, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
 
 //
 //   regextst.cpp
 //
 //      ICU Regular Expressions test, part of intltest.
@@ skipping 126 matching lines @@
             break;
         case 22: name = "Bug10459";
             if (exec) Bug10459();
             break;
         case 23: name = "TestCaseInsensitiveStarters";
             if (exec) TestCaseInsensitiveStarters();
             break;
         case 24: name = "TestBug11049";
             if (exec) TestBug11049();
             break;
+        case 25: name = "TestBug11371";
+            if (exec) TestBug11371();
+            break;
         default: name = "";
             break; //needed to end loop
     }
 }
 
 
 
 /**
  * Calls utext_openUTF8 after, potentially, converting invariant text from the compilation codepage
  * into ASCII.
@@ skipping 5203 matching lines @@
         errln("File %s, line %d (UTF-8 check): expected %d, got %d. Pattern = \"%s\", text = \"%s\"",
               __FILE__, lineNumber, expectMatch, result, pattern, data);
     }
     delete [] utf8Buffer;
 
     utext_close(ut);
     delete [] exactBuffer;
 }
 
 
+void RegexTest::TestBug11371() {
+    if (quick) {
+        logln("Skipping test. Runs in exhuastive mode only.");
+        return;
+    }
+    UErrorCode status = U_ZERO_ERROR;
+    UnicodeString patternString;
+
+    for (int i=0; i<8000000; i++) {
+        patternString.append(UnicodeString("()"));
+    }
+    LocalPointer<RegexPattern> compiledPat(RegexPattern::compile(patternString, 0, status));
+    if (status != U_REGEX_PATTERN_TOO_BIG) {
+        errln("File %s, line %d expected status=U_REGEX_PATTERN_TOO_BIG; got %s.",
+              __FILE__, __LINE__, u_errorName(status));
+    }
+
+    status = U_ZERO_ERROR;
+    patternString = "(";
+    for (int i=0; i<20000000; i++) {
+        patternString.append(UnicodeString("A++"));
+    }
+    patternString.append(UnicodeString("){0}B++"));
+    LocalPointer<RegexPattern> compiledPat2(RegexPattern::compile(patternString, 0, status));
+    if (status != U_REGEX_PATTERN_TOO_BIG) {
+        errln("File %s, line %d expected status=U_REGEX_PATTERN_TOO_BIG; got %s.",
+              __FILE__, __LINE__, u_errorName(status));
+    }
+
+    // Pattern with too much string data, such that string indexes overflow operand data field size
+    // in compiled instruction.
+    status = U_ZERO_ERROR;
+    patternString = "";
+    while (patternString.length() < 0x00ffffff) {
+        patternString.append(UnicodeString("stuff and things dont you know, these are a few of my favorite strings\n"));
+    }
+    patternString.append(UnicodeString("X? trailing string"));
+    LocalPointer<RegexPattern> compiledPat3(RegexPattern::compile(patternString, 0, status));
+    if (status != U_REGEX_PATTERN_TOO_BIG) {
+        errln("File %s, line %d expected status=U_REGEX_PATTERN_TOO_BIG; got %s.",
+              __FILE__, __LINE__, u_errorName(status));
+    }
+}
 
 #endif  /* !UCONFIG_NO_REGULAR_EXPRESSIONS  */