// Based on tests/ion/typed-arrays-1.js, but with string indexes function testInt8() { var arr1 = new Int8Array(50); var arr2 = new Uint8Array(50); var arr3 = new Uint8ClampedArray(50); for (var i=0; i 290888255, true); assertEq(arr1["74".concat("")] < 290888257, true); assertEq(arr2["74".concat("")] > 290888184, true); assertEq(arr2["74".concat("")] < 290888185, true); } testFloat(); function testCanonicalNaN() { // NaN values have to be canonicalized. Otherwise, malicious scripts could // construct arbitrary Value's (due to our NaN boxing Value representation). var buf = new ArrayBuffer(16); var uint32 = new Uint32Array(buf); var f64 = new Float64Array(buf); var f32 = new Float32Array(buf); // Evil: write a JSVAL_TYPE_OBJECT type tag... uint32[0] = 0xffffff87; uint32[1] = 0xffffff87; // Make sure this value is interpreted as a double. for (var i=0; i<3; i++) { assertEq(isNaN(f64["0".concat("")]), true); assertEq(isNaN(f32["0".concat("")]), true); } } testCanonicalNaN(); function testOutOfBounds() { var buf = new ArrayBuffer(16); var uint32 = new Uint32Array(buf); uint32[0] = 0; uint32[1] = 1; for (var i=0; i<3; i++) { assertEq(uint32["0".concat("")], 0); assertEq(uint32["1".concat("")], 1); assertEq(uint32["2".concat("")], 0); assertEq(uint32["17".concat("")], undefined); } } testOutOfBounds(); function testStrangeIndexes() { var buf = new ArrayBuffer(16); var uint32 = new Uint32Array(buf); uint32[0] = 0; uint32[1] = 1; indexes = ["0", "1", "2", "3", "17", "3.5", "NaN", "undefined", "null"]; solutions = [0, 1, 0, 0, undefined, undefined, undefined, undefined, undefined]; for (var i=0; i