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Unified Diff: conformance/typedarrays/array-unit-tests.html

Issue 8342021: Add webgl conformance tests r15841. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/
Patch Set: Created 9 years, 2 months ago
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Index: conformance/typedarrays/array-unit-tests.html
===================================================================
--- conformance/typedarrays/array-unit-tests.html (revision 0)
+++ conformance/typedarrays/array-unit-tests.html (revision 0)
@@ -0,0 +1,923 @@
+<!--
+Copyright (c) 2011 The Chromium Authors. All rights reserved.
+Copyright (C) 2011 Apple Computer, Inc. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+ * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+ * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+-->
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<link rel="stylesheet" href="../../resources/js-test-style.css"/>
+<script src="../../resources/js-test-pre.js"></script>
+<script src="../resources/webgl-test.js"></script>
+</head>
+<body>
+<div id="description"></div>
+<div id="console"></div>
+
+<script>
+
+description("Verifies the functionality of the new array-like objects in the TypedArray spec");
+
+var currentlyRunning = '';
+var allPassed = true;
+function running(str) {
+ currentlyRunning = str;
+}
+
+function output(str) {
+ debug(str);
+}
+
+function pass() {
+ testPassed(currentlyRunning);
+}
+
+function fail(str) {
+ allPassed = false;
+ var exc;
+ if (str)
+ exc = currentlyRunning + ': ' + str;
+ else
+ exc = currentlyRunning;
+ testFailed(exc);
+}
+
+function assertEq(prefix, expected, val) {
+ if (expected != val) {
+ var str = prefix + ': expected ' + expected + ', got ' + val;
+ throw str;
+ }
+}
+
+function assert(prefix, expected) {
+ if (!expected) {
+ var str = prefix + ': expected value / true';
+ throw str;
+ }
+}
+
+function printSummary() {
+ if (allPassed) {
+ debug("Test passed.");
+ } else {
+ debug("TEST FAILED");
+ }
+}
+
+//
+// Tests for unsigned array variants
+//
+
+function testSetAndGet10To1(type, name) {
+ running('test ' + name + ' SetAndGet10To1');
+ try {
+ var array = new type(10);
+ for (var i = 0; i < 10; i++) {
+ array[i] = 10 - i;
+ }
+ for (var i = 0; i < 10; i++) {
+ assertEq('Element ' + i, 10 - i, array[i]);
+ }
+ pass();
+ } catch (e) {
+ fail(e);
+ }
+}
+
+function testConstructWithArrayOfUnsignedValues(type, name) {
+ running('test ' + name + ' ConstructWithArrayOfUnsignedValues');
+ try {
+ var array = new type([10, 9, 8, 7, 6, 5, 4, 3, 2, 1]);
+ assertEq('Array length', 10, array.length);
+ for (var i = 0; i < 10; i++) {
+ assertEq('Element ' + i, 10 - i, array[i]);
+ }
+ pass();
+ } catch (e) {
+ fail(e);
+ }
+}
+
+function testConstructWithTypedArrayOfUnsignedValues(type, name) {
+ running('test ' + name + ' ConstructWithTypedArrayOfUnsignedValues');
+ try {
+ var tmp = new type([10, 9, 8, 7, 6, 5, 4, 3, 2, 1]);
+ var array = new type(tmp);
+ assertEq('Array length', 10, array.length);
+ for (var i = 0; i < 10; i++) {
+ assertEq('Element ' + i, 10 - i, array[i]);
+ }
+ pass();
+ } catch (e) {
+ fail(e);
+ }
+}
+
+//
+// Tests for signed array variants
+//
+
+function testSetAndGetPos10ToNeg10(type, name) {
+ running('test ' + name + ' SetAndGetPos10ToNeg10');
+ try {
+ var array = new type(21);
+ for (var i = 0; i < 21; i++) {
+ array[i] = 10 - i;
+ }
+ for (var i = 0; i < 21; i++) {
+ assertEq('Element ' + i, 10 - i, array[i]);
+ }
+ pass();
+ } catch (e) {
+ fail(e);
+ }
+}
+
+function testConstructWithArrayOfSignedValues(type, name) {
+ running('test ' + name + ' ConstructWithArrayOfSignedValues');
+ try {
+ var array = new type([10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10]);
+ assertEq('Array length', 21, array.length);
+ for (var i = 0; i < 21; i++) {
+ assertEq('Element ' + i, 10 - i, array[i]);
+ }
+ pass();
+ } catch (e) {
+ fail(e);
+ }
+}
+
+function testConstructWithTypedArrayOfSignedValues(type, name) {
+ running('test ' + name + ' ConstructWithTypedArrayOfSignedValues');
+ try {
+ var tmp = new type([10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10]);
+ var array = new type(tmp);
+ assertEq('Array length', 21, array.length);
+ for (var i = 0; i < 21; i++) {
+ assertEq('Element ' + i, 10 - i, array[i]);
+ }
+ pass();
+ } catch (e) {
+ fail(e);
+ }
+}
+
+//
+// Test cases for integral types.
+// Some JavaScript engines need separate copies of this code in order
+// to exercise all of their optimized code paths.
+//
+
+function testIntegralArrayTruncationBehavior(type, name, unsigned) {
+ running('test integral array truncation behavior for ' + name);
+
+ var sourceData;
+ var expectedResults;
+
+ if (unsigned) {
+ sourceData = [0.6, 10.6];
+ expectedResults = [0, 10];
+ } else {
+ sourceData = [0.6, 10.6, -0.6, -10.6];
+ expectedResults = [0, 10, 0, -10];
+ }
+
+ var numIterations = 10;
+ var array = new type(numIterations);
+
+ // The code block in each of the case statements below is identical, but some
+ // JavaScript engines need separate copies in order to exercise all of
+ // their optimized code paths.
+
+ try {
+ switch (type) {
+ case Int8Array:
+ for (var ii = 0; ii < sourceData.length; ++ii) {
+ for (var jj = 0; jj < numIterations; ++jj) {
+ array[jj] = sourceData[ii];
+ assertEq('Storing ' + sourceData[ii], expectedResults[ii], array[jj]);
+ }
+ }
+ break;
+ case Int16Array:
+ for (var ii = 0; ii < sourceData.length; ++ii) {
+ for (var jj = 0; jj < numIterations; ++jj) {
+ array[jj] = sourceData[ii];
+ assertEq('Storing ' + sourceData[ii], expectedResults[ii], array[jj]);
+ }
+ }
+ break;
+ case Int32Array:
+ for (var ii = 0; ii < sourceData.length; ++ii) {
+ for (var jj = 0; jj < numIterations; ++jj) {
+ array[jj] = sourceData[ii];
+ assertEq('Storing ' + sourceData[ii], expectedResults[ii], array[jj]);
+ }
+ }
+ break;
+ case Uint8Array:
+ for (var ii = 0; ii < sourceData.length; ++ii) {
+ for (var jj = 0; jj < numIterations; ++jj) {
+ array[jj] = sourceData[ii];
+ assertEq('Storing ' + sourceData[ii], expectedResults[ii], array[jj]);
+ }
+ }
+ break;
+ case Uint16Array:
+ for (var ii = 0; ii < sourceData.length; ++ii) {
+ for (var jj = 0; jj < numIterations; ++jj) {
+ array[jj] = sourceData[ii];
+ assertEq('Storing ' + sourceData[ii], expectedResults[ii], array[jj]);
+ }
+ }
+ break;
+ case Uint32Array:
+ for (var ii = 0; ii < sourceData.length; ++ii) {
+ for (var jj = 0; jj < numIterations; ++jj) {
+ array[jj] = sourceData[ii];
+ assertEq('Storing ' + sourceData[ii], expectedResults[ii], array[jj]);
+ }
+ }
+ break;
+ default:
+ fail("Unhandled type");
+ break;
+ }
+
+ pass();
+ } catch (e) {
+ fail(e);
+ }
+}
+
+
+//
+// Test cases for both signed and unsigned types
+//
+
+function testGetWithOutOfRangeIndices(type, name) {
+ debug('Testing ' + name + ' GetWithOutOfRangeIndices');
+ // See below for declaration of this global variable
+ array = new type([2, 3]);
+ shouldBeUndefined("array[2]");
+ shouldBeUndefined("array[-1]");
+ shouldBeUndefined("array[0x20000000]");
+}
+
+function testOffsetsAndSizes(type, name, elementSizeInBytes) {
+ running('test ' + name + ' OffsetsAndSizes');
+ try {
+ var len = 10;
+ assertEq('type.BYTES_PER_ELEMENT', elementSizeInBytes, type.BYTES_PER_ELEMENT);
+ var array = new type(len);
+ assert('array.buffer', array.buffer);
+ assertEq('array.byteOffset', 0, array.byteOffset);
+ assertEq('array.length', len, array.length);
+ assertEq('array.byteLength', len * elementSizeInBytes, array.byteLength);
+ array = new type(array.buffer, elementSizeInBytes, len - 1);
+ assert('array.buffer', array.buffer);
+ assertEq('array.byteOffset', elementSizeInBytes, array.byteOffset);
+ assertEq('array.length', len - 1, array.length);
+ assertEq('array.byteLength', (len - 1) * elementSizeInBytes, array.byteLength);
+ pass();
+ } catch (e) {
+ fail(e);
+ }
+}
+
+function testSetFromTypedArray(type, name) {
+ running('test ' + name + ' SetFromTypedArray');
+ try {
+ var array = new type(10);
+ var array2 = new type(5);
+ for (var i = 0; i < 10; i++) {
+ assertEq('Element ' + i, 0, array[i]);
+ }
+ for (var i = 0; i < array2.length; i++) {
+ array2[i] = i;
+ }
+ array.set(array2);
+ for (var i = 0; i < array2.length; i++) {
+ assertEq('Element ' + i, i, array[i]);
+ }
+ array.set(array2, 5);
+ for (var i = 0; i < array2.length; i++) {
+ assertEq('Element ' + i, i, array[5 + i]);
+ }
+ pass();
+ } catch (e) {
+ fail(e);
+ }
+}
+
+function negativeTestSetFromTypedArray(type, name) {
+ running('negativeTest ' + name + ' SetFromTypedArray');
+ try {
+ var array = new type(5);
+ var array2 = new type(6);
+ for (var i = 0; i < 5; i++) {
+ assertEq('Element ' + i, 0, array[i]);
+ }
+ for (var i = 0; i < array2.length; i++) {
+ array2[i] = i;
+ }
+ try {
+ array.set(array2);
+ fail('Expected exception from array.set(array2)');
+ return;
+ } catch (e) {
+ }
+ try {
+ array2.set(array, 2);
+ fail('Expected exception from array2.set(array, 2)');
+ return;
+ } catch (e) {
+ }
+ pass();
+ } catch (e) {
+ fail(e);
+ }
+}
+
+function testSetFromArray(type, name) {
+ running('test ' + name + ' SetFromArray');
+ try {
+ var array = new type(10);
+ var array2 = [10, 9, 8, 7, 6, 5, 4, 3, 2, 1];
+ for (var i = 0; i < 10; i++) {
+ assertEq('Element ' + i, 0, array[i]);
+ }
+ array.set(array2, 0);
+ for (var i = 0; i < array2.length; i++) {
+ assertEq('Element ' + i, 10 - i, array[i]);
+ }
+ pass();
+ } catch (e) {
+ fail(e);
+ }
+}
+
+function negativeTestSetFromArray(type, name) {
+ running('negativeTest ' + name + ' SetFromArray');
+ try {
+ var array = new type([2, 3]);
+ try {
+ array.set([4, 5], 1);
+ fail();
+ return;
+ } catch (e) {
+ }
+ try {
+ array.set([4, 5, 6]);
+ fail();
+ return;
+ } catch (e) {
+ }
+ pass();
+ } catch (e) {
+ fail(e);
+ }
+}
+
+function testSubarray(type, name) {
+ running('test ' + name + ' Subarray');
+ try {
+ var array = new type([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
+ var subarray = array.subarray(0, 5);
+ assertEq('subarray.length', 5, subarray.length);
+ for (var i = 0; i < 5; i++) {
+ assertEq('Element ' + i, i, subarray[i]);
+ }
+ subarray = array.subarray(4, 10);
+ assertEq('subarray.length', 6, subarray.length);
+ for (var i = 0; i < 6; i++) {
+ assertEq('Element ' + i, 4 + i, subarray[i]);
+ }
+ pass();
+ } catch (e) {
+ fail(e);
+ }
+}
+
+function negativeTestSubarray(type, name) {
+ running('negativeTest ' + name + ' Subarray');
+ try {
+ var array = new type([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
+ subarray = array.subarray(5, 11);
+ if (subarray.length != 5) {
+ fail();
+ return;
+ }
+ subarray = array.subarray(10, 10);
+ if (subarray.length != 0) {
+ fail();
+ return;
+ }
+ pass();
+ } catch (e) {
+ fail(e);
+ }
+}
+
+function testSetBoundaryConditions(type, name, testValues, expectedValues) {
+ running('test ' + name + ' SetBoundaryConditions');
+ try {
+ var array = new type(1);
+ assertEq('Array length', 1, array.length);
+ for (var ii = 0; ii < testValues.length; ++ii) {
+ for (var jj = 0; jj < 10; ++jj) {
+ array[0] = testValues[ii];
+ assertEq('Element 0', expectedValues[ii], array[0]);
+ }
+ }
+ pass();
+ } catch (e) {
+ fail(e);
+ }
+}
+
+function testConstructionBoundaryConditions(type, name, testValues, expectedValues) {
+ running('test ' + name + ' ConstructionBoundaryConditions');
+ try {
+ var array = new type(testValues);
+ assertEq('Array length', testValues.length, array.length);
+ for (var ii = 0; ii < testValues.length; ++ii) {
+ assertEq('Element ' + ii, expectedValues[ii], array[ii]);
+ }
+ pass();
+ } catch (e) {
+ fail(e);
+ }
+}
+
+function testConstructionWithNullBuffer(type, name) {
+ var array;
+ try {
+ array = new type(null);
+ testFailed("Construction of " + name + " with null buffer should throw exception");
+ } catch (e) {
+ testPassed("Construction of " + name + " with null buffer threw exception");
+ }
+ try {
+ array = new type(null, 0, 0);
+ testFailed("Construction of " + name + " with (null buffer, 0) should throw exception");
+ } catch (e) {
+ testPassed("Construction of " + name + " with (null buffer, 0) threw exception");
+ }
+ try {
+ array = new type(null, 0, 0);
+ testFailed("Construction of " + name + " with (null buffer, 0, 0) should throw exception");
+ } catch (e) {
+ testPassed("Construction of " + name + " with (null buffer, 0, 0) threw exception");
+ }
+}
+
+function shouldThrowIndexSizeErr(func, text) {
+ var errorText = text + " should throw an exception";
+ try {
+ func();
+ testFailed(errorText);
+ } catch (e) {
+ testPassed(text + " threw an exception");
+ }
+}
+
+function testConstructionWithOutOfRangeValues(type, name) {
+ shouldThrowIndexSizeErr(function() {
+ var buffer = new ArrayBuffer(4);
+ var array = new type(buffer, 4, 0x3FFFFFFF);
+ }, "Construction of " + name + " with out-of-range number of elements");
+ shouldThrowIndexSizeErr(function() {
+ var buffer = new ArrayBuffer(4);
+ var array = new type(buffer, 8);
+ }, "Construction of " + name + " with out-of-range offset");
+}
+
+function testConstructionWithNegativeOutOfRangeValues(type, name) {
+ try {
+ var buffer = new ArrayBuffer(-1);
+ testFailed("Construction of ArrayBuffer with negative size should throw exception");
+ } catch (e) {
+ testPassed("Construction of ArrayBuffer with negative size threw exception");
+ }
+ try {
+ var array = new type(-1);
+ testFailed("Construction of " + name + " with negative size should throw exception");
+ } catch (e) {
+ testPassed("Construction of " + name + " with negative size threw exception");
+ }
+ shouldThrowIndexSizeErr(function() {
+ var buffer = new ArrayBuffer(4);
+ var array = new type(buffer, 4, -2147483648);
+ }, "Construction of " + name + " with negative out-of-range values");
+}
+
+function testConstructionWithUnalignedOffset(type, name, elementSizeInBytes) {
+ if (elementSizeInBytes > 1) {
+ shouldThrowIndexSizeErr(function() {
+ var buffer = new ArrayBuffer(32);
+ var array = new type(buffer, 1, elementSizeInBytes);
+ }, "Construction of " + name + " with unaligned offset");
+ }
+}
+
+function testConstructionWithUnalignedLength(type, name, elementSizeInBytes) {
+ if (elementSizeInBytes > 1) {
+ shouldThrowIndexSizeErr(function() {
+ var buffer = new ArrayBuffer(elementSizeInBytes + 1);
+ var array = new type(buffer, 0);
+ }, "Construction of " + name + " with unaligned length");
+ }
+}
+
+function testConstructionOfHugeArray(type, name, sz) {
+ if (sz == 1)
+ return;
+ try {
+ // Construction of huge arrays must fail because byteLength is
+ // an unsigned long
+ array = new type(3000000000);
+ testFailed("Construction of huge " + name + " should throw exception");
+ } catch (e) {
+ testPassed("Construction of huge " + name + " threw exception");
+ }
+}
+
+function testConstructionWithBothArrayBufferAndLength(type, name, elementSizeInBytes) {
+ var bufByteLength = 1000 * elementSizeInBytes;
+ var buf = new ArrayBuffer(bufByteLength);
+ var array1 = new type(buf);
+ var array2 = new type(bufByteLength / elementSizeInBytes);
+ if (array1.length == array2.length) {
+ testPassed("Array lengths matched with explicit and implicit creation of ArrayBuffer");
+ } else {
+ testFailed("Array lengths DID NOT MATCH with explicit and implicit creation of ArrayBuffer");
+ }
+}
+
+function testConstructionWithSubPortionOfArrayBuffer(type, name, elementSizeInBytes) {
+ if (elementSizeInBytes > 1) {
+ // Test construction with a valid sub-portion of an array buffer
+ // (whose size is not an integral multiple of the element size).
+ var size = 4 * elementSizeInBytes + (elementSizeInBytes / 2);
+ var buf = new ArrayBuffer(size);
+ try {
+ var array = new type(buf, 0, 2);
+ testPassed("new " + name + "(new ArrayBuffer(" + size + "), 0, 2) succeeded");
+ } catch (e) {
+ testFailed("new " + name + "(new ArrayBuffer(" + size + "), 0, 2) failed: " + e);
+ }
+ }
+}
+
+// These need to be global for shouldBe to see them
+var array;
+var typeSize;
+
+function testSubarrayWithOutOfRangeValues(type, name, sz) {
+ debug("Testing subarray of " + name);
+ try {
+ var buffer = new ArrayBuffer(32);
+ array = new type(buffer);
+ typeSize = sz;
+ shouldBe("array.length", "32 / typeSize");
+ try {
+ shouldBe("array.subarray(4, 0x3FFFFFFF).length", "(32 / typeSize) - 4");
+ shouldBe("array.subarray(4, -2147483648).length", "0");
+ // Test subarray() against overflows.
+ array = array.subarray(2);
+ if (sz > 1) {
+ // Full byte offset is +1 larger than the maximum unsigned long int.
+ // Make sure subarray() still handles it correctly. Otherwise overflow would happen and
+ // offset would be 0, and array.length array.length would incorrectly be 1.
+ var start = 4294967296 / sz - 2;
+ array = array.subarray(start, start + 1);
+ shouldBe("array.length", "0");
+ }
+ } catch (e) {
+ testFailed("Subarray of " + name + " threw exception");
+ }
+ } catch (e) {
+ testFailed("Exception: " + e);
+ }
+}
+
+function testSubarrayWithDefaultValues(type, name, sz) {
+ debug("Testing subarray with default inputs of " + name);
+ try {
+ var buffer = new ArrayBuffer(32);
+ array = new type(buffer);
+ typeSize = sz;
+ shouldBe("array.length", "32 / typeSize");
+ try {
+ shouldBe("array.subarray(0).length", "(32 / typeSize)");
+ shouldBe("array.subarray(2).length", "(32 / typeSize) - 2");
+ shouldBe("array.subarray(-2).length", "2");
+ shouldBe("array.subarray(-2147483648).length", "(32 / typeSize)");
+ } catch (e) {
+ testFailed("Subarray of " + name + " threw exception");
+ }
+ } catch (e) {
+ testFailed("Exception: " + e);
+ }
+}
+
+function testSettingFromArrayWithOutOfRangeOffset(type, name) {
+ var webglArray = new type(32);
+ var array = [];
+ for (var i = 0; i < 16; i++) {
+ array.push(i);
+ }
+ try {
+ webglArray.set(array, 0x7FFFFFF8);
+ testFailed("Setting " + name + " from array with out-of-range offset was not caught");
+ } catch (e) {
+ testPassed("Setting " + name + " from array with out-of-range offset was caught");
+ }
+}
+
+function testSettingFromFakeArrayWithOutOfRangeLength(type, name) {
+ var webglArray = new type(32);
+ var array = {};
+ array.length = 0x80000000;
+ try {
+ webglArray.set(array, 8);
+ testFailed("Setting " + name + " from fake array with invalid length was not caught");
+ } catch (e) {
+ testPassed("Setting " + name + " from fake array with invalid length was caught");
+ }
+}
+
+function testSettingFromTypedArrayWithOutOfRangeOffset(type, name) {
+ var webglArray = new type(32);
+ var srcArray = new type(16);
+ for (var i = 0; i < 16; i++) {
+ srcArray[i] = i;
+ }
+ try {
+ webglArray.set(srcArray, 0x7FFFFFF8);
+ testFailed("Setting " + name + " from " + name + " with out-of-range offset was not caught");
+ } catch (e) {
+ testPassed("Setting " + name + " from " + name + " with out-of-range offset was caught");
+ }
+}
+
+function negativeTestGetAndSetMethods(type, name) {
+ array = new type([2, 3]);
+ shouldBeUndefined("array.get");
+ var exceptionThrown = false;
+ // We deliberately check for an exception here rather than using
+ // shouldThrow here because the precise contents of the syntax
+ // error are not specified.
+ try {
+ webGLArray.set(0, 1);
+ } catch (e) {
+ exceptionThrown = true;
+ }
+ var output = "array.set(0, 1) ";
+ if (exceptionThrown) {
+ testPassed(output + "threw exception.");
+ } else {
+ testFailed(output + "did not throw exception.");
+ }
+}
+
+function testNaNConversion(type, name) {
+ running('test storing NaN in ' + name);
+
+ var array = new type([1, 1]);
+ var results = [];
+
+ // The code block in each of the case statements below is identical, but some
+ // JavaScript engines need separate copies in order to exercise all of
+ // their optimized code paths.
+ try {
+ switch (type) {
+ case Float32Array:
+ for (var i = 0; i < array.length; ++i) {
+ array[i] = NaN;
+ results[i] = array[i];
+ }
+ break;
+ case Float64Array:
+ for (var i = 0; i < array.length; ++i) {
+ array[i] = NaN;
+ results[i] = array[i];
+ }
+ break;
+ case Int8Array:
+ for (var i = 0; i < array.length; ++i) {
+ array[i] = NaN;
+ results[i] = array[i];
+ }
+ break;
+ case Int16Array:
+ for (var i = 0; i < array.length; ++i) {
+ array[i] = NaN;
+ results[i] = array[i];
+ }
+ break;
+ case Int32Array:
+ for (var i = 0; i < array.length; ++i) {
+ array[i] = NaN;
+ results[i] = array[i];
+ }
+ break;
+ case Uint8Array:
+ for (var i = 0; i < array.length; ++i) {
+ array[i] = NaN;
+ results[i] = array[i];
+ }
+ break;
+ case Uint16Array:
+ for (var i = 0; i < array.length; ++i) {
+ array[i] = NaN;
+ results[i] = array[i];
+ }
+ break;
+ case Uint32Array:
+ for (var i = 0; i < array.length; ++i) {
+ array[i] = NaN;
+ results[i] = array[i];
+ }
+ break;
+ default:
+ fail("Unhandled type");
+ break;
+ }
+
+ // Some types preserve NaN values; all other types convert NaN to zero.
+ if (type === Float32Array || type === Float64Array) {
+ assert('initial NaN preserved', isNaN(new type([NaN])[0]));
+ for (var i = 0; i < array.length; ++i)
+ assert('NaN preserved via setter', isNaN(results[i]));
+ } else {
+ assertEq('initial NaN converted to zero', 0, new type([NaN])[0]);
+ for (var i = 0; i < array.length; ++i)
+ assertEq('NaN converted to zero by setter', 0, results[i]);
+ }
+
+ pass();
+ } catch (e) {
+ fail(e);
+ }
+}
+
+//
+// Test driver
+//
+
+function runTests() {
+ allPassed = true;
+
+ // The "name" attribute is a concession to browsers which don't
+ // implement the "name" property on function objects
+ var testCases =
+ [ {name: "Float32Array",
+ unsigned: false,
+ integral: false,
+ elementSizeInBytes: 4,
+ testValues: [ -500.5, 500.5 ],
+ expectedValues: [ -500.5, 500.5 ]
+ },
+ {name: "Float64Array",
+ unsigned: false,
+ integral: false,
+ elementSizeInBytes: 8,
+ testValues: [ -500.5, 500.5 ],
+ expectedValues: [ -500.5, 500.5 ]
+ },
+ {name: "Int8Array",
+ unsigned: false,
+ integral: true,
+ elementSizeInBytes: 1,
+ testValues: [ -128, 127, -129, 128 ],
+ expectedValues: [ -128, 127, 127, -128 ]
+ },
+ {name: "Int16Array",
+ unsigned: false,
+ integral: true,
+ elementSizeInBytes: 2,
+ testValues: [ -32768, 32767, -32769, 32768 ],
+ expectedValues: [ -32768, 32767, 32767, -32768 ]
+ },
+ {name: "Int32Array",
+ unsigned: false,
+ integral: true,
+ elementSizeInBytes: 4,
+ testValues: [ -2147483648, 2147483647, -2147483649, 2147483648 ],
+ expectedValues: [ -2147483648, 2147483647, 2147483647, -2147483648 ]
+ },
+ {name: "Uint8Array",
+ unsigned: true,
+ integral: true,
+ elementSizeInBytes: 1,
+ testValues: [ 0, 255, -1, 256 ],
+ expectedValues: [ 0, 255, 255, 0 ]
+ },
+ {name: "Uint16Array",
+ unsigned: true,
+ integral: true,
+ elementSizeInBytes: 2,
+ testValues: [ 0, 65535, -1, 65536 ],
+ expectedValues: [ 0, 65535, 65535, 0 ]
+ },
+ {name: "Uint32Array",
+ unsigned: true,
+ integral: true,
+ elementSizeInBytes: 4,
+ testValues: [ 0, 4294967295, -1, 4294967296 ],
+ expectedValues: [ 0, 4294967295, 4294967295, 0 ]
+ }
+ ];
+ for (var i = 0; i < testCases.length; i++) {
+ var testCase = testCases[i];
+ running(testCase.name);
+ if (!(testCase.name in window)) {
+ fail("does not exist");
+ continue;
+ }
+ var type = window[testCase.name];
+ var name = testCase.name;
+ if (testCase.unsigned) {
+ testSetAndGet10To1(type, name);
+ testConstructWithArrayOfUnsignedValues(type, name);
+ testConstructWithTypedArrayOfUnsignedValues(type, name);
+ } else {
+ testSetAndGetPos10ToNeg10(type, name);
+ testConstructWithArrayOfSignedValues(type, name);
+ testConstructWithTypedArrayOfSignedValues(type, name);
+ }
+ if (testCase.integral) {
+ testIntegralArrayTruncationBehavior(type, name, testCase.unsigned);
+ }
+ testGetWithOutOfRangeIndices(type, name);
+ testOffsetsAndSizes(type, name, testCase.elementSizeInBytes);
+ testSetFromTypedArray(type, name);
+ negativeTestSetFromTypedArray(type, name);
+ testSetFromArray(type, name);
+ negativeTestSetFromArray(type, name);
+ testSubarray(type, name);
+ negativeTestSubarray(type, name);
+ testSetBoundaryConditions(type,
+ name,
+ testCase.testValues,
+ testCase.expectedValues);
+ testConstructionBoundaryConditions(type,
+ name,
+ testCase.testValues,
+ testCase.expectedValues);
+ testConstructionWithNullBuffer(type, name);
+ testConstructionWithOutOfRangeValues(type, name);
+ testConstructionWithNegativeOutOfRangeValues(type, name);
+ testConstructionWithUnalignedOffset(type, name, testCase.elementSizeInBytes);
+ testConstructionWithUnalignedLength(type, name, testCase.elementSizeInBytes);
+ testConstructionOfHugeArray(type, name, testCase.elementSizeInBytes);
+ testConstructionWithBothArrayBufferAndLength(type, name, testCase.elementSizeInBytes);
+ testConstructionWithSubPortionOfArrayBuffer(type, name, testCase.elementSizeInBytes);
+ testSubarrayWithOutOfRangeValues(type, name, testCase.elementSizeInBytes);
+ testSubarrayWithDefaultValues(type, name, testCase.elementSizeInBytes);
+ testSettingFromArrayWithOutOfRangeOffset(type, name);
+ testSettingFromFakeArrayWithOutOfRangeLength(type, name);
+ testSettingFromTypedArrayWithOutOfRangeOffset(type, name);
+ negativeTestGetAndSetMethods(type, name);
+ testNaNConversion(type, name);
+ }
+
+ printSummary();
+}
+
+runTests();
+successfullyParsed = true;
+
+</script>
+<script src="../../resources/js-test-post.js"></script>
+
+</body>
+</html>
Property changes on: conformance/typedarrays/array-unit-tests.html
___________________________________________________________________
Added: svn:eol-style
+ LF
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