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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /js/src/jit-test/tests/for-of/string-iterator-generic.js | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/for-of/string-iterator-generic.js')
-rw-r--r-- | js/src/jit-test/tests/for-of/string-iterator-generic.js | 25 |
1 files changed, 25 insertions, 0 deletions
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"}); |