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// Based on tests/ion/typed-arrays-1.js, but with string indexes
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var arr1 = new Int8Array(50);
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var arr2 = new Uint8Array(50);
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var arr3 = new Uint8ClampedArray(50);
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for (var i=0; i<arr1.length; i++) {
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arr1[i] = arr2[i] = arr3[i] = i * 8;
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for (var i=0; i<arr1.length; i++) {
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res += arr1[i+""] + arr2[i+""] + arr3[i+""] + arr2["10".concat("")];
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function testInt16() {
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var arr1 = new Int16Array(70);
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var arr2 = new Uint16Array(70);
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for (var i=0; i<arr1.length; i++) {
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arr1[i] = arr2[i] = i * 1000;
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for (var i=0; i<arr1.length; i++) {
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res += arr1[i+""] + arr2[i+""] + arr2["1".concat("")] + arr1["3".concat("")];
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assertEq(res, 2423024);
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function testInt32() {
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var arr = new Int32Array(60);
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for (var i=1; i<arr.length; i++) {
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arr[i] = arr[(i-1)+""] + arr["0".concat("")];
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assertEq(arr[(arr.length-1)+""], -1289);
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function testUint32() {
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for (var i=0; i<arr.length; i++) {
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var arr = new Uint32Array(100);
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for (var i=0; i<arr.length; i++) {
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// Compile sum() to read int32 values.
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assertEq(sum(arr), 4950);
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// Add a large uint32 so that the sum no longer fits in an
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// int32. sum() should be recompiled to return a double.
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assertEq(sum(arr), 4294967826);
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function testFloat() {
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var arr1 = new Float32Array(75);
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var arr2 = new Float64Array(75);
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arr1[0] = arr2[0] = Math.PI * 1234567.8;
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for (var i=1; i<75; i++) {
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arr1[i] = arr1[(i-1)+""] + arr1[0];
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arr2[i] = arr2[(i-1)+""] + arr2[0];
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assertEq(arr1["74".concat("")] > 290888255, true);
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assertEq(arr1["74".concat("")] < 290888257, true);
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assertEq(arr2["74".concat("")] > 290888184, true);
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assertEq(arr2["74".concat("")] < 290888185, true);
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function testCanonicalNaN() {
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// NaN values have to be canonicalized. Otherwise, malicious scripts could
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// construct arbitrary Value's (due to our NaN boxing Value representation).
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var buf = new ArrayBuffer(16);
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var uint32 = new Uint32Array(buf);
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var f64 = new Float64Array(buf);
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var f32 = new Float32Array(buf);
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// Evil: write a JSVAL_TYPE_OBJECT type tag...
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uint32[0] = 0xffffff87;
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uint32[1] = 0xffffff87;
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// Make sure this value is interpreted as a double.
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for (var i=0; i<3; i++) {
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assertEq(isNaN(f64["0".concat("")]), true);
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assertEq(isNaN(f32["0".concat("")]), true);
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function testOutOfBounds() {
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var buf = new ArrayBuffer(16);
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var uint32 = new Uint32Array(buf);
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for (var i=0; i<3; i++) {
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assertEq(uint32["0".concat("")], 0);
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assertEq(uint32["1".concat("")], 1);
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assertEq(uint32["2".concat("")], 0);
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assertEq(uint32["17".concat("")], undefined);
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function testStrangeIndexes() {
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var buf = new ArrayBuffer(16);
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var uint32 = new Uint32Array(buf);
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indexes = ["0", "1", "2", "3", "17", "3.5", "NaN", "undefined", "null"];
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solutions = [0, 1, 0, 0, undefined, undefined, undefined, undefined, undefined];
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for (var i=0; i<indexes.length; i++) {
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assertEq(uint32[indexes[i]], solutions[i]);
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testStrangeIndexes();