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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/xpconnect/tests/chrome/test_bug732665_meta.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/xpconnect/tests/chrome/test_bug732665_meta.js')
-rw-r--r-- | js/xpconnect/tests/chrome/test_bug732665_meta.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/js/xpconnect/tests/chrome/test_bug732665_meta.js b/js/xpconnect/tests/chrome/test_bug732665_meta.js new file mode 100644 index 0000000000..92bf9066b3 --- /dev/null +++ b/js/xpconnect/tests/chrome/test_bug732665_meta.js @@ -0,0 +1,34 @@ +/* globals stackPointerInfo */ + +var stackBottom = stackPointerInfo(); +var stackTop = stackBottom; + +function nearNativeStackLimit() { + function inner() { + try { + stackTop = stackPointerInfo(); + // eslint-disable-next-line no-eval + var stepsFromLimit = eval("inner()"); // Use eval to force a number of native stackframes to be created. + return stepsFromLimit + 1; + } catch (e) { + // It would be nice to check here that the exception is actually an + // over-recursion here. But doing so would require toString()ing the + // exception, which we may not have the stack space to do. + return 1; + } + } + return inner(); +} + +var nbFrames = nearNativeStackLimit(); +var frameSize = stackBottom - stackTop; +print( + "Max stack size:", + frameSize, + "bytes", + "\nMaximum number of frames:", + nbFrames, + "\nAverage frame size:", + Math.ceil(frameSize / nbFrames), + "bytes" +); |