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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /js/src/jit-test/tests/debug/Frame-this-07.js | |
parent | Initial commit. (diff) | |
download | firefox-upstream.tar.xz firefox-upstream.zip |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/debug/Frame-this-07.js')
-rw-r--r-- | js/src/jit-test/tests/debug/Frame-this-07.js | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-this-07.js b/js/src/jit-test/tests/debug/Frame-this-07.js new file mode 100644 index 0000000000..50d938f46c --- /dev/null +++ b/js/src/jit-test/tests/debug/Frame-this-07.js @@ -0,0 +1,19 @@ +// Frame.this can be marked as optimized-out in some cases. Here we call an +// arrow function but its enclosing function is no longer live, so it's +// impossible to recover its missing 'this' binding. +var g = newGlobal({newCompartment: true}); +g.eval("x = 4"); +g.eval("var foo = function() { return () => 1; }; var arrow = foo.call(3);"); +var dbg = new Debugger(g); +var log = ""; +dbg.onEnterFrame = function (frame) { + if (frame.type === "eval") + return; + assertEq(frame.type, "call"); + assertEq(frame.this.optimizedOut, true); + frame.eval("try { print(this.x); } catch(e) { exc = e; }"); + assertEq(typeof g.exc, "object"); + log += "d"; +}; +g.eval("arrow();"); +assertEq(log, "d"); |