From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../debug/Frame-onStep-generator-resumption-03.js | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 js/src/jit-test/tests/debug/Frame-onStep-generator-resumption-03.js (limited to 'js/src/jit-test/tests/debug/Frame-onStep-generator-resumption-03.js') diff --git a/js/src/jit-test/tests/debug/Frame-onStep-generator-resumption-03.js b/js/src/jit-test/tests/debug/Frame-onStep-generator-resumption-03.js new file mode 100644 index 0000000000..3b2e8d2b3a --- /dev/null +++ b/js/src/jit-test/tests/debug/Frame-onStep-generator-resumption-03.js @@ -0,0 +1,49 @@ +// Don't crash on {return:} from onStep in a generator, before the initial suspend. + +// This test tries to force-return from each bytecode instruction in a +// generator, up to the initial suspend. + +load(libdir + "asserts.js"); + +let g = newGlobal({newCompartment: true}); +g.values = [1, 2, 3]; +g.eval(`function* f(arr=values) { yield* arr; }`); + +let dbg = Debugger(g); + +function test(ttl) { + let hits = 0; + dbg.onEnterFrame = frame => { + assertEq(frame.callee.name, "f"); + frame.onStep = () => { + if (--ttl === 0) + return {return: 123}; + }; + }; + dbg.uncaughtExceptionHook = exc => { + return {throw: "debugger error: " + exc}; + }; + + let val = undefined; + let caught = undefined; + try { + val = g.f(); + } catch (exc) { + caught = exc; + } + + if (val === undefined) { + // Tried to force-return before the initial suspend. + assertEq(caught, "debugger error: TypeError: can't force return from a generator before the initial yield"); + assertEq(ttl, 0); + return "pass"; + } else { + // Reached the initial suspend without forcing a return. + assertEq(typeof val, "object"); + assertEq(val instanceof g.f, true); + assertEq(ttl, 1); + return "done"; + } +} + +for (let i = 1; test(i) === "pass"; i++) {} -- cgit v1.2.3