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-this-09.js | 45 ++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 js/src/jit-test/tests/debug/Frame-this-09.js (limited to 'js/src/jit-test/tests/debug/Frame-this-09.js') diff --git a/js/src/jit-test/tests/debug/Frame-this-09.js b/js/src/jit-test/tests/debug/Frame-this-09.js new file mode 100644 index 0000000000..3ff6cc2a96 --- /dev/null +++ b/js/src/jit-test/tests/debug/Frame-this-09.js @@ -0,0 +1,45 @@ +// Ensure |Frame.this| returns the right value even if we're still in the +// script's prologue, before JSOP_FUNCTIONTHIS. + +var g = newGlobal({newCompartment: true}); +var dbg = new Debugger(g); +var hits = 0; +dbg.onEnterFrame = function (frame) { + if (frame.type === 'eval') + return; + hits++; + + var frameThis = frame.this; + if (frameThis !== null && typeof frameThis === "object") + g.gotThis = frameThis.unsafeDereference(); + else + g.gotThis = frameThis; + + assertEq(frame.this, frameThis, "getter should not return a different object"); +}; + +// Strict mode, function uses |this|. +g.eval("function strictfun() { 'use strict'; return this; }"); +g.eval("strictfun.call(Math); assertEq(gotThis, Math);"); +g.eval("strictfun.call(true); assertEq(gotThis, true);"); +g.eval("strictfun.call(); assertEq(gotThis, undefined);"); + +// Strict mode, function doesn't use |this|. +g.eval("function strictfunNoThis() { 'use strict'; }"); +g.eval("strictfunNoThis.call(Math); assertEq(gotThis, Math);"); +g.eval("strictfunNoThis.call(true); assertEq(gotThis, true);"); +g.eval("strictfunNoThis.call(null); assertEq(gotThis, null);"); + +// Non-strict mode (primitive |this| is boxed), function uses |this|. +g.eval("function nonstrictfun() { return this; }"); +g.eval("nonstrictfun.call(Math); assertEq(gotThis, Math);"); +g.eval("nonstrictfun.call(null); assertEq(gotThis, this);"); +g.eval("nonstrictfun.call(); assertEq(gotThis, this);"); + +// Non-strict mode (primitive |this| is boxed), function doesn't use |this|. +g.eval("function nonstrictfunNoThis() {}"); +g.eval("nonstrictfunNoThis.call(Math); assertEq(gotThis, Math);"); +g.eval("nonstrictfunNoThis.call(null); assertEq(gotThis, this);"); +g.eval("nonstrictfunNoThis.call(); assertEq(gotThis, this);"); + +assertEq(hits, 12); -- cgit v1.2.3