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js/src/jit-test/tests/basic/string-repeat.js@6474c204b198 (annotated)

js/src/jit-test/tests/basic/string-repeat.js

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/* Test String.prototype.repeat */
michael@0	2
michael@0	3	load(libdir + 'asserts.js');
michael@0	4
michael@0	5	assertEq("abc".repeat(1), "abc");
michael@0	6	assertEq("abc".repeat(2), "abcabc");
michael@0	7	assertEq("abc".repeat(3), "abcabcabc");
michael@0	8	assertEq("a".repeat(10), "aaaaaaaaaa");
michael@0	9	assertEq("abc".repeat(0), "");
michael@0	10	assertEq("abc".repeat(2.9), "abcabc");
michael@0	11
michael@0	12	var myobj = {toString : (function () "abc"), repeat : String.prototype.repeat};
michael@0	13	assertEq(myobj.repeat(1), "abc");
michael@0	14	assertEq(myobj.repeat(2), "abcabc");
michael@0	15
michael@0	16	assertThrowsInstanceOf(function() {
michael@0	17	"abc".repeat(-1);
michael@0	18	}, RangeError,
michael@0	19	"String.prototype.repeat should raise RangeError on negative arguments");
michael@0	20	assertThrowsInstanceOf(function() {
michael@0	21	"abc".repeat(Number.POSITIVE_INFINITY);
michael@0	22	}, RangeError,
michael@0	23	"String.prototype.repeat should raise RangeError on excedding maximum string length");
michael@0	24	assertThrowsInstanceOf(function() {
michael@0	25	"abc".repeat(1 << 29);
michael@0	26	}, RangeError,
michael@0	27	"String.prototype.repeat should raise RangeError on excedding maximum string length");
michael@0	28
michael@0	29	assertEq("".repeat(5), "");
michael@0	30	assertEq("".repeat(1 << 29), "");