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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/basic/typed-array-copyWithin.js | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/basic/typed-array-copyWithin.js')
-rw-r--r-- | js/src/jit-test/tests/basic/typed-array-copyWithin.js | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/typed-array-copyWithin.js b/js/src/jit-test/tests/basic/typed-array-copyWithin.js new file mode 100644 index 000000000..0bcc0bdd7 --- /dev/null +++ b/js/src/jit-test/tests/basic/typed-array-copyWithin.js @@ -0,0 +1,214 @@ +// Bug 1021379 - Rename typed arrays' move method to copyWithin, +// fix up to ES6 semantics +// Tests for TypedArray#copyWithin + +load(libdir + "asserts.js"); + +const constructors = [ + Int8Array, + Uint8Array, + Uint8ClampedArray, + Int16Array, + Uint16Array, + Int32Array, + Uint32Array, + Float32Array, + Float64Array +]; + +for (var constructor of constructors) { + + assertEq(constructor.prototype.copyWithin.length, 2); + + // works with two arguments + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(0, 3), + new constructor([4, 5, 3, 4, 5])); + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(1, 3), + new constructor([1, 4, 5, 4, 5])); + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(1, 2), + new constructor([1, 3, 4, 5, 5])); + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(2, 2), + new constructor([1, 2, 3, 4, 5])); + + // works with three arguments + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(0, 3, 4), + new constructor([4, 2, 3, 4, 5])); + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(1, 3, 4), + new constructor([1, 4, 3, 4, 5])); + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(1, 2, 4), + new constructor([1, 3, 4, 4, 5])); + + // works with negative arguments + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(0, -2), + new constructor([4, 5, 3, 4, 5])); + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(0, -2, -1), + new constructor([4, 2, 3, 4, 5])); + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(-4, -3, -2), + new constructor([1, 3, 3, 4, 5])); + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(-4, -3, -1), + new constructor([1, 3, 4, 4, 5])); + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(-4, -3), + new constructor([1, 3, 4, 5, 5])); + + // throws on null/undefined values + assertThrowsInstanceOf(function() { + constructor.prototype.copyWithin.call(null, 0, 3); + }, TypeError, "Assert that copyWithin fails if this value is null"); + + assertThrowsInstanceOf(function() { + var throw42 = { valueOf: function() { throw 42; } }; + constructor.prototype.copyWithin.call(null, throw42, throw42, throw42); + }, TypeError, "Assert that copyWithin fails if this value is null"); + + assertThrowsInstanceOf(function() { + var throw42 = { valueOf: function() { throw 42; } }; + constructor.prototype.copyWithin.call(undefined, throw42, throw42, throw42); + }, TypeError, "Assert that copyWithin fails if this value is undefined"); + + assertThrowsInstanceOf(function() { + constructor.prototype.copyWithin.call(undefined, 0, 3); + }, TypeError, "Assert that copyWithin fails if this value is undefined"); + + // test with this value as string + assertThrowsInstanceOf(function() { + constructor.prototype.copyWithin.call("hello world", 0, 3); + }, TypeError, "Assert that copyWithin fails if this value is string"); + + assertThrowsInstanceOf(function() { + var throw42 = { valueOf: function() { throw 42; } }; + constructor.prototype.copyWithin.call("hello world", throw42, throw42, throw42); + }, TypeError, "Assert that copyWithin fails if this value is string"); + + // test with target > start on 2 arguments + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(3, 0), + new constructor([1, 2, 3, 1, 2])); + + // test with target > start on 3 arguments + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(3, 0, 4), + new constructor([1, 2, 3, 1, 2])); + + // test on fractional arguments + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(0.2, 3.9), + new constructor([4, 5, 3, 4, 5])); + + // test with -0 + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(-0, 3), + new constructor([4, 5, 3, 4, 5])); + + // test with arguments more than this.length + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(0, 7), + new constructor([1, 2, 3, 4, 5])); + + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(7, 0), + new constructor([1, 2, 3, 4, 5])); + + // test with arguments less than -this.length + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(-7, 0), + new constructor([1, 2, 3, 4, 5])); + + // test with arguments equal to -this.length + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(-5, 0), + new constructor([1, 2, 3, 4, 5])); + + // test on empty constructor + assertDeepEq(new constructor([]).copyWithin(0, 3), + new constructor([])); + + // test with target range being shorter than end - start + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(2, 1, 4), + new constructor([1, 2, 2, 3, 4])); + + // test overlapping ranges + arr = new constructor([1, 2, 3, 4, 5]); + arr.copyWithin(2, 1, 4); + assertDeepEq(arr.copyWithin(2, 1, 4), + new constructor([1, 2, 2, 2, 3])); + + // undefined as third argument + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(0, 3, undefined), + new constructor([4, 5, 3, 4, 5])); + + // test that this.length is never called + arr = new constructor([0, 1, 2, 3, 5]); + Object.defineProperty(arr, "length", { + get: function () { throw new Error("length accessor called"); } + }); + arr.copyWithin(1, 3); + + var large = 10000; + + // test on a large constructor + arr = new constructor(large); + assertDeepEq(arr.copyWithin(45, 900), arr); + + // test on floating point numbers + for (var i = 0; i < large; i++) { + arr[i] = Math.random(); + } + arr.copyWithin(45, 900); + + // test on constructor of objects + for (var i = 0; i < large; i++) { + arr[i] = { num: Math.random() }; + } + arr.copyWithin(45, 900); + + // test constructor length remains same + assertEq(arr.length, large); + + // test null on third argument is handled correctly + assertDeepEq(new constructor([1, 2, 3, 4, 5]).copyWithin(0, 3, null), + new constructor([1, 2, 3, 4, 5])); + + //Any argument referenced, but not provided, has the value |undefined| + var tarray = new constructor(8); + try + { + tarray.copyWithin({ valueOf: function() { throw 42; } }); + throw new Error("expected to throw"); + } + catch (e) + { + assertEq(e, 42, "should have failed converting target to index"); + } + + function detachAndConvertTo(x) { + return { valueOf() { + detachArrayBuffer(tarray.buffer); + return x; + } }; + } + + // Detaching during argument processing triggers a TypeError. + tarray = new constructor([1, 2, 3, 4, 5]); + try + { + tarray.copyWithin(0, 3, detachAndConvertTo(4)); + throw new Error("expected to throw"); + } + catch (e) + { + assertEq(e instanceof TypeError, true, + "expected throw with detached buffer during set"); + } + + // ...unless no elements are to be copied. + tarray = new constructor([1, 2, 3, 4, 5]); + assertDeepEq(tarray.copyWithin(0, 3, detachAndConvertTo(3)), + new constructor([])); + + /* // fails, unclear whether it should, disabling for now + // test with a proxy object + var handler = { + get: function(recipient, name) { + return recipient[name] + 2; + } + }; + + var p = new Proxy(new constructor([1, 2, 3, 4, 5]), handler); + + assertThrowsInstanceOf(function() { + constructor.prototype.copyWithin.call(p, 0, 3); + }, TypeError, "Assert that copyWithin fails if used with a proxy object"); + */ +} |