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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/jit-test/tests/debug/gc-04.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/debug/gc-04.js')
-rw-r--r-- | js/src/jit-test/tests/debug/gc-04.js | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/gc-04.js b/js/src/jit-test/tests/debug/gc-04.js new file mode 100644 index 0000000000..206be25f47 --- /dev/null +++ b/js/src/jit-test/tests/debug/gc-04.js @@ -0,0 +1,25 @@ +// Storing a Debugger.Object as a key in a WeakMap protects it from GC as long as +// the referent is alive. + +var g = newGlobal({newCompartment: true}); +var N = g.N = 10; +var dbg = Debugger(g); +var cache = new WeakMap; + +var i = 0; +dbg.onDebuggerStatement = function (frame) { + cache.set(frame.arguments[0], i++); +}; +g.eval("function f(x) { debugger; }"); +g.eval("var arr = [], j; for (j = 0; j < N; j++) arr[j] = {};"); +g.eval("for (j = 0; j < N; j++) f(arr[j]);"); +assertEq(i, N); + +gc(); gc(); + +i = 0; +dbg.onDebuggerStatement = function (frame) { + assertEq(cache.get(frame.arguments[0]), i++) +}; +g.eval("for (j = 0; j < N; j++) f(arr[j]);"); +assertEq(i, N); |