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 --- js/src/jit-test/tests/debug/Frame-identity-07.js | 52 ++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 js/src/jit-test/tests/debug/Frame-identity-07.js (limited to 'js/src/jit-test/tests/debug/Frame-identity-07.js') diff --git a/js/src/jit-test/tests/debug/Frame-identity-07.js b/js/src/jit-test/tests/debug/Frame-identity-07.js new file mode 100644 index 0000000000..fa7a835992 --- /dev/null +++ b/js/src/jit-test/tests/debug/Frame-identity-07.js @@ -0,0 +1,52 @@ +// Distinct generator calls result in distinct Debugger.Frames. + +let g = newGlobal({newCompartment: true}); +g.eval(` + function* count(n) { + if (n > 0) { + for (let x of count(n - 1)) + yield x; + yield n; + } + } +`); + +let log = ""; +let dbg = Debugger(g); +let nextId = 0; +function mark(frame) { + if (frame.id === undefined) + frame.id = nextId++; +} +dbg.onEnterFrame = frame => { + mark(frame); + log += frame.id + "["; + frame.onPop = completion => { + mark(frame); + log += "]" + frame.id; + }; +}; + + +let j = 0; +for (let k of g.count(5)) { + assertEq(k, ++j); + log += " "; +} + +assertEq(log, + // Calling a generator function just returns a generator object + // without running the body at all; hence "0[]0". However, this call + // does evaluate default argument values, if any, so we do report an + // onEnterFrame / onPop for it. + "0[]0" + + // Demanding the first value from the top generator forces + // SpiderMonkey to create all five generator objects (the empty "n[]n" + // pairs) and then demand a value from them (the longer "n[...]n" + // substrings). + "0[1[]11[2[]22[3[]33[4[]44[5[]55[]5]4]3]2]1]0 " + + "0[1[2[3[4[]4]3]2]1]0 " + + "0[1[2[3[]3]2]1]0 " + + "0[1[2[]2]1]0 " + + "0[1[]1]0 " + + "0[]0"); -- cgit v1.2.3