[Webkit-unassigned] [Bug 73983] New: REGRESSION(r102017): StringBuilder tests are failing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=73983

           Summary: REGRESSION(r102017): StringBuilder tests are failing
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Template Framework
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rniwa at webkit.org
                CC: tony at chromium.org, levin at chromium.org,
                    msaboff at apple.com


http://trac.webkit.org/changeset/102017/trunk/Source/JavaScriptCore/wtf/text/StringBuilder.cpp

It appears that we should be copying length + 1 to include the null character at the end. Unfortunately, I can't reproduce this error locally on my Mac.

http://build.webkit.org/builders/Chromium%20Linux%20Release%20%28Tests%29/builds/26827/steps/run-api-tests/logs/stdio

[ RUN      ] StringBuilderTest.Append
Tools/TestWebKitAPI/Tests/WTF/StringBuilder.cpp:53: Failure
Value of: String(builder.characters(), builder.length())
  Actual: 0123456789abcd7
Expected: String(expected)
Which is: 0123456789abcdefg
Tools/TestWebKitAPI/Tests/WTF/StringBuilder.cpp:53: Failure
Value of: String(builder.characters(), builder.length())
  Actual: 0123456789abcd7
Expected: String(expected)
Which is: 0123456789abcdefg
Tools/TestWebKitAPI/Tests/WTF/StringBuilder.cpp:53: Failure
Value of: String(builder.characters(), builder.length())
  Actual: 0123456789abcd7
Expected: String(expected)
Which is: 0123456789abcdefg#
Tools/TestWebKitAPI/Tests/WTF/StringBuilder.cpp:53: Failure
Value of: String(builder.characters(), builder.length())
  Actual: 0123456789abcd7
Expected: String(expected)
Which is: 0123456789abcdefg#
Tools/TestWebKitAPI/Tests/WTF/StringBuilder.cpp:53: Failure
Value of: String(builder.characters(), builder.length())
  Actual: 0123456789abcdefg#0123456789abcd7
Expected: String(expected)
Which is: 0123456789abcdefg#0123456789abcdefg#XYZ
[  FAILED  ] StringBuilderTest.Append (1 ms)
[----------] 1 test from StringBuilderTest (1 ms total)

[ RUN      ] StringBuilderTest.ToStringPreserveCapacity
Tools/TestWebKitAPI/Tests/WTF/StringBuilder.cpp:153: Failure
Value of: string1
  Actual: 0123456789abcdefghijklmnopqrstuvwxyz
Expected: String("0123456789abcdefghijklmnopqrstuvwxyzABCDEF")
Which is: 0123456789abcdefghijklmnopqrstuvwxyzABCDEF
[  FAILED  ] StringBuilderTest.ToStringPreserveCapacity (0 ms)

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