diff options
Diffstat (limited to 'tools/profiler/tests/xpcshell/test_enterjit_osr_disabling.js')
-rw-r--r-- | tools/profiler/tests/xpcshell/test_enterjit_osr_disabling.js | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/profiler/tests/xpcshell/test_enterjit_osr_disabling.js b/tools/profiler/tests/xpcshell/test_enterjit_osr_disabling.js new file mode 100644 index 0000000000..2d4ffe5a10 --- /dev/null +++ b/tools/profiler/tests/xpcshell/test_enterjit_osr_disabling.js @@ -0,0 +1,19 @@ +function run_test() { + // Just skip the test if the profiler component isn't present. + if (!AppConstants.MOZ_GECKO_PROFILER) { + return; + } + + Assert.ok(!Services.profiler.IsActive()); + + Services.profiler.StartProfiler(100, 10, ["js"]); + // The function is entered with the profiler enabled + (function() { + Services.profiler.StopProfiler(); + let n = 10000; + // eslint-disable-next-line no-empty + while (--n) {} // OSR happens here with the profiler disabled. + // An assertion will fail when this function returns, if the + // profiler stack was misbalanced. + })(); +} |