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 --- .../tests/for-of/string-iterator-generic.js | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 js/src/jit-test/tests/for-of/string-iterator-generic.js (limited to 'js/src/jit-test/tests/for-of/string-iterator-generic.js') diff --git a/js/src/jit-test/tests/for-of/string-iterator-generic.js b/js/src/jit-test/tests/for-of/string-iterator-generic.js new file mode 100644 index 000000000..e1573dd17 --- /dev/null +++ b/js/src/jit-test/tests/for-of/string-iterator-generic.js @@ -0,0 +1,25 @@ +// String.prototype.iterator is generic. + +load(libdir + "asserts.js"); +load(libdir + "iteration.js"); +load(libdir + "string.js"); + +function test(obj) { + var it = String.prototype[Symbol.iterator].call(obj); + var s = String(obj); + for (var i = 0, length = s.length; i < length;) { + var r = s[i++]; + if (isHighSurrogate(r) && i < length && isLowSurrogate(s[i])) { + r += s[i++]; + } + assertIteratorNext(it, r); + } + assertIteratorDone(it, undefined); +} + +test({toString: () => ""}); +test({toString: () => "xyz"}); +test({toString: () => "\ud808\udf45"}); +test({valueOf: () => ""}); +test({valueOf: () => "xyz"}); +test({valueOf: () => "\ud808\udf45"}); -- cgit v1.2.3