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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /js/src/jit-test/tests/debug/Frame-onStep-generator-resumption-01.js
parentInitial commit. (diff)
downloadfirefox-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/Frame-onStep-generator-resumption-01.js')
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diff --git a/js/src/jit-test/tests/debug/Frame-onStep-generator-resumption-01.js b/js/src/jit-test/tests/debug/Frame-onStep-generator-resumption-01.js
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+// The debugger can't force return from a generator before the initial yield.
+
+let g = newGlobal({newCompartment: true});
+g.eval(`
+ function* f() {
+ yield 1;
+ }
+`);
+
+let dbg = new Debugger(g);
+let steps = 0;
+let uncaughtErrorsReported = 0;
+dbg.onEnterFrame = frame => {
+ assertEq(frame.callee.name, "f");
+ dbg.onEnterFrame = undefined;
+ frame.onStep = () => {
+ steps++;
+
+ // This test case never resumes the generator after the initial
+ // yield. Therefore the initial yield has not happened yet. So this
+ // force-return will be an error.
+ return {return: "ponies"};
+ };
+
+ // Having an onPop hook exercises some assertions that don't happen
+ // otherwise.
+ frame.onPop = completion => {};
+};
+
+dbg.uncaughtExceptionHook = (reason) => {
+ // When onEnterFrame returns an invalid resumption value,
+ // the error is reported here.
+ assertEq(reason instanceof TypeError, true);
+ uncaughtErrorsReported++;
+ return undefined; // Cancel the force-return. Let the debuggee continue.
+};
+
+let result = g.f();
+assertEq(result instanceof g.f, true);
+
+assertEq(steps > 0, true);
+assertEq(uncaughtErrorsReported, steps);