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| author | Jukka Jylänki <jujjyl@gmail.com> | 2014-02-27 19:43:32 +0200 |
|---|---|---|
| committer | Jukka Jylänki <jujjyl@gmail.com> | 2014-02-27 19:44:36 +0200 |
| commit | 13fd9405aa4ede0d0713cb08ed0840bc753e1828 (patch) | |
| tree | a6373be3924dc7c5204f53a3c8a4ee481e061093 /tests/emscripten_log | |
| parent | 2a43c14b8458f4e5c4e7ee5b8e28d52be5f472bb (diff) | |
Fix bug that caused emscripten_get_callstack to not truncate the output buffer. Add test. Closes #2171.
Diffstat (limited to 'tests/emscripten_log')
| -rw-r--r-- | tests/emscripten_log/emscripten_log.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tests/emscripten_log/emscripten_log.cpp b/tests/emscripten_log/emscripten_log.cpp index d7cfe484..5973e94c 100644 --- a/tests/emscripten_log/emscripten_log.cpp +++ b/tests/emscripten_log/emscripten_log.cpp @@ -99,6 +99,14 @@ void __attribute__((noinline)) bar(int = 0, char * = 0, double = 0) // Arbitrary char str[1024]; emscripten_get_callstack(EM_LOG_NO_PATHS | EM_LOG_JS_STACK, str, 1024); + // Test that obtaining a truncated callstack works. (https://github.com/kripken/emscripten/issues/2171) + char *buffer = new char[21]; + buffer[20] = 0x01; // Magic sentinel that should not change its value. + emscripten_get_callstack(EM_LOG_C_STACK | EM_LOG_DEMANGLE | EM_LOG_NO_PATHS | EM_LOG_FUNC_PARAMS, buffer, 20); + MYASSERT(!!strstr(buffer, "at bar(int,"), "Truncated callstack was %s!", buffer); + MYASSERT(buffer[20] == 0x01); + delete[] buffer; + /* With EM_LOG_JS_STACK, the callstack will be at __Z3bariPcd (src.cpp.o.js:5394:12) at __Z3FooIiEvv (src.cpp.o.js:5417:4) |