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Diffstat (limited to 'js/src/tests/non262/Array/join-01.js')
-rw-r--r-- | js/src/tests/non262/Array/join-01.js | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/js/src/tests/non262/Array/join-01.js b/js/src/tests/non262/Array/join-01.js new file mode 100644 index 0000000000..3cc6cccd0d --- /dev/null +++ b/js/src/tests/non262/Array/join-01.js @@ -0,0 +1,83 @@ +/* + * Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ + * Contributor: + * Jeff Walden <jwalden+code@mit.edu> + */ + +//----------------------------------------------------------------------------- +print("ES5: Array.prototype.join"); + +/************** + * BEGIN TEST * + **************/ + +var count; +var stringifyCounter = { toString: function() { count++; return "obj"; } }; + +var arr = [1, 2, 3, 4, 5]; +assertEq(arr.join(), "1,2,3,4,5"); +assertEq(arr.join(","), "1,2,3,4,5"); +assertEq(arr.join(undefined), "1,2,3,4,5"); +assertEq(arr.join(4), "142434445"); +assertEq(arr.join(""), "12345"); + +count = 0; +assertEq(arr.join(stringifyCounter), "1obj2obj3obj4obj5"); +assertEq(count, 1); + +var holey = [1, 2, , 4, 5]; +assertEq(holey.join(), "1,2,,4,5"); +assertEq(holey.join(","), "1,2,,4,5"); +assertEq(holey.join(undefined), "1,2,,4,5"); +assertEq(holey.join(4), "14244445"); + +count = 0; +assertEq(holey.join(stringifyCounter), "1obj2objobj4obj5"); +assertEq(count, 1); + +var nully = [1, 2, 3, null, 5]; +assertEq(nully.join(), "1,2,3,,5"); +assertEq(nully.join(","), "1,2,3,,5"); +assertEq(nully.join(undefined), "1,2,3,,5"); +assertEq(nully.join(4), "14243445"); + +count = 0; +assertEq(nully.join(stringifyCounter), "1obj2obj3objobj5"); +assertEq(count, 1); + +var undefiney = [1, undefined, 3, 4, 5]; +assertEq(undefiney.join(), "1,,3,4,5"); +assertEq(undefiney.join(","), "1,,3,4,5"); +assertEq(undefiney.join(undefined), "1,,3,4,5"); +assertEq(undefiney.join(4), "14434445"); + +count = 0; +assertEq(undefiney.join(stringifyCounter), "1objobj3obj4obj5"); +assertEq(count, 1); + +var log = ''; +arr = {length: {valueOf: function () { log += "L"; return 2; }}, + 0: "x", 1: "z"}; +var sep = {toString: function () { log += "S"; return "y"; }}; +assertEq(Array.prototype.join.call(arr, sep), "xyz"); +assertEq(log, "LS"); + +var funky = + { + toString: function() + { + Array.prototype[1] = "chorp"; + Object.prototype[3] = "fnord"; + return "funky"; + } + }; +var trailingHoles = [0, funky, /* 2 */, /* 3 */,]; +assertEq(trailingHoles.join(""), "0funkyfnord"); + +/******************************************************************************/ + +if (typeof reportCompare === "function") + reportCompare(true, true); + +print("Tests complete"); |