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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/src/jit-test/tests/wasm/import-gc.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/jit-test/tests/wasm/import-gc.js | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/import-gc.js b/js/src/jit-test/tests/wasm/import-gc.js new file mode 100644 index 0000000000..02caea73d9 --- /dev/null +++ b/js/src/jit-test/tests/wasm/import-gc.js @@ -0,0 +1,62 @@ +// |jit-test| --no-baseline; --no-blinterp +// Turn off baseline and since it messes up the GC finalization assertions by +// adding spurious edges to the GC graph. + +const Module = WebAssembly.Module; +const Instance = WebAssembly.Instance; + +const m1 = new Module(wasmTextToBinary(`(module (func $f) (export "f" (func $f)))`)); +const m2 = new Module(wasmTextToBinary(`(module (import "a" "f" (func)) (func $f) (export "g" (func $f)))`)); + +// Imported instance objects should stay alive as long as any importer is alive. +resetFinalizeCount(); +var i1 = new Instance(m1); +var i2 = new Instance(m2, {a:i1.exports}); +var f = i1.exports.f; +var g = i2.exports.g; +i1.edge = makeFinalizeObserver(); +i2.edge = makeFinalizeObserver(); +f.edge = makeFinalizeObserver(); +g.edge = makeFinalizeObserver(); +gc(); +assertEq(finalizeCount(), 0); +i1.exports = null; +f = null; +gc(); +assertEq(finalizeCount(), 0); +i2 = null; +gc(); +assertEq(finalizeCount(), 0); +i1 = null; +gc(); +assertEq(finalizeCount(), 0); +g = null; +gc(); +assertEq(finalizeCount(), 4); + +// ...but the importee doesn't keep the importer alive. +resetFinalizeCount(); +var i1 = new Instance(m1); +var i2 = new Instance(m2, {a:i1.exports}); +var f = i1.exports.f; +var g = i2.exports.g; +i1.edge = makeFinalizeObserver(); +i2.edge = makeFinalizeObserver(); +f.edge = makeFinalizeObserver(); +g.edge = makeFinalizeObserver(); +gc(); +assertEq(finalizeCount(), 0); +i2.exports = null; +g = null; +gc(); +assertEq(finalizeCount(), 0); +i2 = null; +gc(); +assertEq(finalizeCount(), 2); +i1.exports = null; +f = null; +gc(); +assertEq(finalizeCount(), 2); +i1 = null; +gc(); +assertEq(finalizeCount(), 4); |