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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/onEnterFrame-generator-resumption-04.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/onEnterFrame-generator-resumption-04.js')
-rw-r--r-- | js/src/jit-test/tests/debug/onEnterFrame-generator-resumption-04.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/onEnterFrame-generator-resumption-04.js b/js/src/jit-test/tests/debug/onEnterFrame-generator-resumption-04.js new file mode 100644 index 0000000000..969cb0c70b --- /dev/null +++ b/js/src/jit-test/tests/debug/onEnterFrame-generator-resumption-04.js @@ -0,0 +1,34 @@ +// Returning {throw:} from onEnterFrame when resuming inside a try block in a +// generator causes control to jump to the finally block. + +let g = newGlobal({newCompartment: true}); +g.eval(` + function* gen() { + try { + yield 0; + return "fail"; + } finally { + return "ok"; // preempts exception unwinding + } + } +`) + +let dbg = new Debugger(g); +dbg.onEnterFrame = frame => { + if (!("hits" in frame)) { + frame.hits = 1; + } else if (++frame.hits == 3) { + // First hit is when calling gen(); + // second hit is resuming at the implicit initial yield; + // third hit is resuming inside the try block. + return {throw: "fit"}; + } +}; + +let it = g.gen(); +let result = it.next(); +assertEq(result.done, false); +assertEq(result.value, 0); +result = it.next(); +assertEq(result.done, true); +assertEq(result.value, "ok"); |