From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- .../jit-test/tests/collections/Array-of-cross-compartment.js | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100644 js/src/jit-test/tests/collections/Array-of-cross-compartment.js (limited to 'js/src/jit-test/tests/collections/Array-of-cross-compartment.js') diff --git a/js/src/jit-test/tests/collections/Array-of-cross-compartment.js b/js/src/jit-test/tests/collections/Array-of-cross-compartment.js new file mode 100644 index 000000000..5872a98fd --- /dev/null +++ b/js/src/jit-test/tests/collections/Array-of-cross-compartment.js @@ -0,0 +1,10 @@ +// Array.of returns an object in the target compartment, not the caller's compartment. +// This rules out implementations along the lines of (...args) => args. + +var g = newGlobal(); +var ga = g.Array.of(1, 2, 3); +assertEq(ga instanceof g.Array, true); + +g.Array.of = Array.of; +var a = g.Array.of(1, 2, 3); // this-value is a wrapper of g.Array, which IsConstructor, so we call it +assertEq(ga instanceof g.Array, true); // it produces a g.Array instance -- cgit v1.2.3