diff options
Diffstat (limited to 'js/src/tests/non262/TypedArray/subarray-species.js')
-rw-r--r-- | js/src/tests/non262/TypedArray/subarray-species.js | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/js/src/tests/non262/TypedArray/subarray-species.js b/js/src/tests/non262/TypedArray/subarray-species.js new file mode 100644 index 0000000000..91c34e80cc --- /dev/null +++ b/js/src/tests/non262/TypedArray/subarray-species.js @@ -0,0 +1,63 @@ +function test(constructor, constructor2, from=[1, 2, 3, 4, 5], to=[3, 4], begin=2, end=4) { + var modifiedConstructor = new constructor(from); + modifiedConstructor.constructor = constructor2; + assertDeepEq(modifiedConstructor.subarray(begin, end), new constructor2(to)); + var modifiedSpecies = new constructor(from); + modifiedSpecies.constructor = { [Symbol.species]: constructor2 }; + assertDeepEq(modifiedSpecies.subarray(begin, end), new constructor2(to)); +} + +// same size, same sign + +test(Int8Array, Uint8Array); +test(Int8Array, Uint8ClampedArray); + +test(Uint8Array, Int8Array); +test(Uint8Array, Uint8ClampedArray); + +test(Uint8ClampedArray, Int8Array); +test(Uint8ClampedArray, Uint8Array); + +test(Int16Array, Uint16Array); +test(Uint16Array, Int16Array); + +test(Int32Array, Uint32Array); +test(Uint32Array, Int32Array); + +// same size, different sign + +test(Int8Array, Uint8Array, [-1, -2, -3, -4, -5], [0xFD, 0xFC]); +test(Int8Array, Uint8ClampedArray, [-1, -2, -3, -4, -5], [0xFD, 0xFC]); + +test(Uint8Array, Int8Array, [0xFF, 0xFE, 0xFD, 0xFC, 0xFB], [-3, -4]); +test(Uint8ClampedArray, Int8Array, [0xFF, 0xFE, 0xFD, 0xFC, 0xFB], [-3, -4]); + +test(Int16Array, Uint16Array, [-1, -2, -3, -4, -5], [0xFFFD, 0xFFFC]); +test(Uint16Array, Int16Array, [0xFFFF, 0xFFFE, 0xFFFD, 0xFFFC, 0xFFFB], [-3, -4]); + +test(Int32Array, Uint32Array, [-1, -2, -3, -4, -5], [0xFFFFFFFD, 0xFFFFFFFC]); +test(Uint32Array, Int32Array, [0xFFFFFFFF, 0xFFFFFFFE, 0xFFFFFFFD, 0xFFFFFFFC, 0xFFFFFFFB], [-3, -4]); + +// different size + +// To avoid handling endian, use ArrayBuffer as an argument. +var a = new Int8Array([0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0, + 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x01, + 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, + 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF, 0x0F]); + +test(Uint8Array, Uint16Array, a.buffer, a.slice(2, 6).buffer); +test(Uint16Array, Uint8Array, a.buffer, a.slice(4, 6).buffer); + +test(Uint8Array, Uint32Array, a.buffer, a.slice(4, 12).buffer, 4, 6); +test(Uint32Array, Uint8Array, a.buffer, a.slice(8, 10).buffer); + +test(Uint16Array, Uint32Array, a.buffer, a.slice(4, 12).buffer); +test(Uint32Array, Uint16Array, a.buffer, a.slice(8, 12).buffer); + +test(Float32Array, Float64Array, a.buffer, a.slice(8, 24).buffer); +test(Float64Array, Float32Array, a.buffer, a.slice(16, 24).buffer); + +if (typeof reportCompare === "function") + reportCompare(true, true); + |