LayoutTests/webgl/2.0.0/resources/webgl_test_files/conformance/typedarrays/data-view-test.html - WebKit - Git at Google

 <!--

 /*
 ** Copyright (c) 2012 The Khronos Group Inc.
 **
 ** Permission is hereby granted, free of charge, to any person obtaining a
 ** copy of this software and/or associated documentation files (the
 ** "Materials"), to deal in the Materials without restriction, including
 ** without limitation the rights to use, copy, modify, merge, publish,
 ** distribute, sublicense, and/or sell copies of the Materials, and to
 ** permit persons to whom the Materials are furnished to do so, subject to
 ** the following conditions:
 **
 ** The above copyright notice and this permission notice shall be included
 ** in all copies or substantial portions of the Materials.
 **
 ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
 */

 -->

 <!DOCTYPE html>
 <html>
 <head>
 <meta charset="utf-8">
 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
 <script src="../../js/js-test-pre.js"></script>
 <script src="../../js/test-eval.js"></script>
 </head>
 <body>
 <div id="description"></div>
 <div id="console"></div>

 <script>
 "use strict";
 description("Test DataView.");

 var intArray1 = [0, 1, 2, 3, 100, 101, 102, 103, 128, 129, 130, 131, 252, 253, 254, 255];
 var intArray2 = [31, 32, 33, 0, 1, 2, 3, 100, 101, 102, 103, 128, 129, 130, 131, 252, 253, 254, 255];
 var emptyArray = [204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204];

 var arrayBuffer = null;
 var view = null;
 var viewStart = 0;
 var viewLength = 0;

 function getElementSize(func)
 {
     switch (func) {
     case "Int8":
     case "Uint8":
         return 1;
     case "Int16":
     case "Uint16":
         return 2;
     case "Int32":
     case "Uint32":
     case "Float32":
         return 4;
     case "Float64":
         return 8;
     default:
         debug("Should not reached");
     }
 }

 function checkGet(func, index, expected, littleEndian)
 {
     var expr = "view.get" + func + "(" + index;
     if (littleEndian != undefined) {
         expr += ", ";
         expr += littleEndian ? "true" : "false";
     }
     expr += ")";
     if (index >= 0 && index + getElementSize(func) - 1 < view.byteLength)
         shouldBe(expr, expected);
     else
         shouldThrow(expr);
 }

 function checkSet(func, index, value, littleEndian)
 {
     var expr = "view.set" + func + "(" + index + ", " + value;
     if (littleEndian != undefined) {
         expr += ", ";
         expr += littleEndian ? "true" : "false";
     }
     expr += ")";
     if (index >= 0 && index + getElementSize(func) - 1 < view.byteLength) {
         shouldBeUndefined(expr);
         checkGet(func, index, value, littleEndian);
     } else
         shouldThrow(expr);
 }

 function checkGetWithoutArgument(func, expected)
 {
     var threw = false;
     var value;
     try {
         value = view["get" + func]();
     } catch (e) {
         threw = true;
     }

     if (threw) {
         // This used to be correct, but TC39 has changed the behavior of these methods.
         testPassed("view.get" + func + " with no arguments throws.");
     } else {
         if (value === expected) {
             testPassed("view.get" + func + " treats missing argument as 0.");
         } else {
             testFailed("view.get" + func + " accepts a missing argument but does not cast it to 0.");
         }
     }
 }

 function checkSetWithoutSecondArgument(func, index, isFloat)
 {
     var expected = isFloat ? NaN : 0;
     var threw = false;
     var value;
     try {
         value = view["set" + func](index);
     } catch (e) {
         threw = true;
     }

     if (threw) {
         // This used to be correct, but TC39 has changed the behavior of these methods.
         testPassed("view.set" + func + " with missing second argument throws.");
     } else {
         var stored = view["get" + func](index);
         if (value === undefined && isFloat ? isNaN(stored) : stored === expected) {
             testPassed("view.set" + func + " treats missing second argument as " + expected + ".");
         } else {
             testFailed("view.set" + func + " accepts a missing second argument but does not cast it to " + expected + ".");
         }
     }
 }

 function checkSetWithoutArguments(func, isFloat)
 {
     var expected = isFloat ? NaN : 0;
     var threw = false;
     var value;
     try {
         value = view["set" + func]();
     } catch (e) {
         threw = true;
     }

     if (threw) {
         // This used to be correct, but TC39 has changed the behavior of these methods.
         testPassed("view.set" + func + " with no arguments throws.");
     } else {
         var stored = view["get" + func](0);
         if (value === undefined && isFloat ? isNaN(stored) : stored === expected) {
             testPassed("view.set" + func + " treats missing first argument as 0.");
         } else {
             testFailed("view.set" + func + " accepts a missing first argument but does not cast it to 0.");
         }
     }
 }

 function testMissingArguments(func, constructor, isFloat)
 {
     view = new DataView((new constructor(3)).buffer);
     view["set" + func](0, 1);
     view["set" + func](getElementSize(func), 2);
     checkGetWithoutArgument(func, 1);
     checkSetWithoutSecondArgument(func, getElementSize(func), isFloat);
     view = new DataView((new constructor(3)).buffer);
     view["set" + func](0, 1);
     checkSetWithoutArguments(func, isFloat);
 }

 function test(isTestingGet, func, index, value, littleEndian)
 {
     if (isTestingGet)
         checkGet(func, index, value, littleEndian);
      else
         checkSet(func, index, value, littleEndian);
 }

 function createDataView(array, frontPaddingNum, littleEndian, start, length)
 {
     if (!littleEndian)
         array.reverse();
     var paddingArray = new Array(frontPaddingNum);
     arrayBuffer = (new Uint8Array(paddingArray.concat(array))).buffer;
     viewStart = (start != undefined) ? start : 0;
     viewLength = (length != undefined) ? length : arrayBuffer.byteLength - viewStart;
     view = new DataView(arrayBuffer, viewStart, viewLength);
     if (!littleEndian)
         array.reverse(); // restore the array.
 }

 function runIntegerTestCases(isTestingGet, array, start, length)
 {
     createDataView(array, 0, true, start, length);

     test(isTestingGet, "Int8", 0, "0");
     test(isTestingGet, "Int8", 8, "-128");
     test(isTestingGet, "Int8", 15, "-1");

     test(isTestingGet, "Uint8", 0, "0");
     test(isTestingGet, "Uint8", 8, "128");
     test(isTestingGet, "Uint8", 15, "255");

     // Little endian.
     test(isTestingGet, "Int16", 0, "256", true);
     test(isTestingGet, "Int16", 5, "26213", true);
     test(isTestingGet, "Int16", 9, "-32127", true);
     test(isTestingGet, "Int16", 14, "-2", true);

     // Big endian.
     test(isTestingGet, "Int16", 0, "1");
     test(isTestingGet, "Int16", 5, "25958");
     test(isTestingGet, "Int16", 9, "-32382");
     test(isTestingGet, "Int16", 14, "-257");

     // Little endian.
     test(isTestingGet, "Uint16", 0, "256", true);
     test(isTestingGet, "Uint16", 5, "26213", true);
     test(isTestingGet, "Uint16", 9, "33409", true);
     test(isTestingGet, "Uint16", 14, "65534", true);

     // Big endian.
     test(isTestingGet, "Uint16", 0, "1");
     test(isTestingGet, "Uint16", 5, "25958");
     test(isTestingGet, "Uint16", 9, "33154");
     test(isTestingGet, "Uint16", 14, "65279");

     // Little endian.
     test(isTestingGet, "Int32", 0, "50462976", true);
     test(isTestingGet, "Int32", 3, "1717920771", true);
     test(isTestingGet, "Int32", 6, "-2122291354", true);
     test(isTestingGet, "Int32", 9, "-58490239", true);
     test(isTestingGet, "Int32", 12, "-66052", true);

     // Big endian.
     test(isTestingGet, "Int32", 0, "66051");
     test(isTestingGet, "Int32", 3, "56911206");
     test(isTestingGet, "Int32", 6, "1718059137");
     test(isTestingGet, "Int32", 9, "-2122152964");
     test(isTestingGet, "Int32", 12, "-50462977");

     // Little endian.
     test(isTestingGet, "Uint32", 0, "50462976", true);
     test(isTestingGet, "Uint32", 3, "1717920771", true);
     test(isTestingGet, "Uint32", 6, "2172675942", true);
     test(isTestingGet, "Uint32", 9, "4236477057", true);
     test(isTestingGet, "Uint32", 12, "4294901244", true);

     // Big endian.
     test(isTestingGet, "Uint32", 0, "66051");
     test(isTestingGet, "Uint32", 3, "56911206");
     test(isTestingGet, "Uint32", 6, "1718059137");
     test(isTestingGet, "Uint32", 9, "2172814332");
     test(isTestingGet, "Uint32", 12, "4244504319");
 }

 function testFloat(isTestingGet, func, array, start, expected)
 {
     // Little endian.
     createDataView(array, 0, true, start);
     test(isTestingGet, func, 0, expected, true);
     createDataView(array, 3, true, start);
     test(isTestingGet, func, 3, expected, true);
     createDataView(array, 7, true, start);
     test(isTestingGet, func, 7, expected, true);
     createDataView(array, 10, true, start);
     test(isTestingGet, func, 10, expected, true);

     // Big endian.
     createDataView(array, 0, false);
     test(isTestingGet, func, 0, expected, false);
     createDataView(array, 3, false);
     test(isTestingGet, func, 3, expected, false);
     createDataView(array, 7, false);
     test(isTestingGet, func, 7, expected, false);
     createDataView(array, 10, false);
     test(isTestingGet, func, 10, expected, false);
 }

 function runFloatTestCases(isTestingGet, start)
 {
     testFloat(isTestingGet, "Float32", isTestingGet ? [0, 0, 32, 65] : emptyArray, start, "10");
     testFloat(isTestingGet, "Float32", isTestingGet ? [164, 112, 157, 63] : emptyArray, start, "1.2300000190734863");
     testFloat(isTestingGet, "Float32", isTestingGet ? [95, 53, 50, 199] : emptyArray, start, "-45621.37109375");
     testFloat(isTestingGet, "Float32", isTestingGet ? [255, 255, 255, 127] : emptyArray, start, "NaN");
     testFloat(isTestingGet, "Float32", isTestingGet ? [255, 255, 255, 255] : emptyArray, start, "-NaN");

     testFloat(isTestingGet, "Float64", isTestingGet ? [0, 0, 0, 0, 0, 0, 36, 64] : emptyArray, start, "10");
     testFloat(isTestingGet, "Float64", isTestingGet ? [174, 71, 225, 122, 20, 174, 243, 63] : emptyArray, start, "1.23");
     testFloat(isTestingGet, "Float64", isTestingGet ? [181, 55, 248, 30, 242, 179, 87, 193] : emptyArray, start, "-6213576.4839");
     testFloat(isTestingGet, "Float64", isTestingGet ? [255, 255, 255, 255, 255, 255, 255, 127] : emptyArray, start, "NaN");
     testFloat(isTestingGet, "Float64", isTestingGet ? [255, 255, 255, 255, 255, 255, 255, 255] : emptyArray, start, "-NaN");
 }

 function runNegativeIndexTests(isTestingGet)
 {
     createDataView(intArray1, 0, true, 0, 16);

     test(isTestingGet, "Int8", -1, "0");
     test(isTestingGet, "Int8", -2, "0");

     test(isTestingGet, "Uint8", -1, "0");
     test(isTestingGet, "Uint8", -2, "0");

     test(isTestingGet, "Int16", -1, "0");
     test(isTestingGet, "Int16", -2, "0");
     test(isTestingGet, "Int16", -3, "0");

     test(isTestingGet, "Uint16", -1, "0");
     test(isTestingGet, "Uint16", -2, "0");
     test(isTestingGet, "Uint16", -3, "0");

     test(isTestingGet, "Int32", -1, "0");
     test(isTestingGet, "Int32", -3, "0");
     test(isTestingGet, "Int32", -5, "0");

     test(isTestingGet, "Uint32", -1, "0");
     test(isTestingGet, "Uint32", -3, "0");
     test(isTestingGet, "Uint32", -5, "0");

     createDataView([0, 0, 0, 0, 0, 0, 36, 64], 0, true, 0, 8);

     test(isTestingGet, "Float32", -1, "0");
     test(isTestingGet, "Float32", -3, "0");
     test(isTestingGet, "Float32", -5, "0");

     test(isTestingGet, "Float64", -1, "0");
     test(isTestingGet, "Float64", -5, "0");
     test(isTestingGet, "Float64", -9, "0");
 }

 function runConstructorTests()
 {
     arrayBuffer = (new Uint8Array([1, 2])).buffer;

     debug("");
     debug("Test for constructor taking 1 argument");
     shouldBeDefined("view = new DataView(arrayBuffer)");
     shouldBe("view.byteOffset", "0");
     shouldBe("view.byteLength", "2");

     debug("");
     debug("Test for constructor taking 2 arguments");
     shouldBeDefined("view = new DataView(arrayBuffer, 1)");
     shouldBe("view.byteOffset", "1");
     shouldBe("view.byteLength", "1");

     debug("");
     debug("Test for constructor taking 3 arguments");
     shouldBeDefined("view = new DataView(arrayBuffer, 0, 1)");
     shouldBe("view.byteOffset", "0");
     shouldBe("view.byteLength", "1");

     debug("");
     debug("Test for constructor throwing exception");
     shouldThrow("view = new DataView(arrayBuffer, 0, 3)");
     shouldThrow("view = new DataView(arrayBuffer, 1, 2)");
     shouldThrow("view = new DataView(arrayBuffer, 2, 1)");
 }

 function runGetTests()
 {
     debug("");
     debug("Test for get methods that work");
     runIntegerTestCases(true, intArray1, 0, 16);
     runFloatTestCases(true, 0);

     debug("");
     debug("Test for get methods that might read beyond range");
     runIntegerTestCases(true, intArray2, 3, 2);
     runFloatTestCases(true, 3);

     debug("");
     debug("Test for get methods that read from negative index");
     runNegativeIndexTests(true);
 }

 function runSetTests()
 {
     debug("");
     debug("Test for set methods that work");
     runIntegerTestCases(false, emptyArray, 0, 16);
     runFloatTestCases(false);

     debug("");
     debug("Test for set methods that might write beyond the range");
     runIntegerTestCases(false, emptyArray, 3, 2);
     runFloatTestCases(false, 7);

     debug("");
     debug("Test for set methods that write to negative index");
     runNegativeIndexTests(false);
 }

 function runMissingArgumentTests()
 {
     debug("");
     debug("Test for get and set methods missing arguments");
     testMissingArguments("Int8", Int8Array);
     testMissingArguments("Uint8", Uint8Array);
     testMissingArguments("Int16", Int16Array);
     testMissingArguments("Uint16", Uint16Array);
     testMissingArguments("Int32", Int32Array);
     testMissingArguments("Uint32", Uint32Array);
     testMissingArguments("Float32", Float32Array, true);
     testMissingArguments("Float64", Float64Array, true);
 }

 function runIndexingTests()
 {
     debug("");
     debug("Test for indexing that should not work");
     view = new DataView((new Uint8Array([1, 2])).buffer);
     shouldBeUndefined("view[0]");
     shouldBeDefined("view[0] = 3");
     shouldBe("view.getUint8(0)", "1");
 }

 runConstructorTests();
 runGetTests();
 runSetTests();
 runMissingArgumentTests();
 runIndexingTests();
 var successfullyParsed = true;
 </script>

 <script src="../../js/js-test-post.js"></script>
 </body>
 </html>
	<!--

	/*
	** Copyright (c) 2012 The Khronos Group Inc.
	**
	** Permission is hereby granted, free of charge, to any person obtaining a
	** copy of this software and/or associated documentation files (the
	** "Materials"), to deal in the Materials without restriction, including
	** without limitation the rights to use, copy, modify, merge, publish,
	** distribute, sublicense, and/or sell copies of the Materials, and to
	** permit persons to whom the Materials are furnished to do so, subject to
	** the following conditions:
	**
	** The above copyright notice and this permission notice shall be included
	** in all copies or substantial portions of the Materials.
	**
	** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
	** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
	** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
	** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
	** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
	*/

	-->

	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<link rel="stylesheet" href="../../resources/js-test-style.css"/>
	<script src="../../js/js-test-pre.js"></script>
	<script src="../../js/test-eval.js"></script>
	</head>
	<body>
	<div id="description"></div>
	<div id="console"></div>

	<script>
	"use strict";
	description("Test DataView.");

	var intArray1 = [0, 1, 2, 3, 100, 101, 102, 103, 128, 129, 130, 131, 252, 253, 254, 255];
	var intArray2 = [31, 32, 33, 0, 1, 2, 3, 100, 101, 102, 103, 128, 129, 130, 131, 252, 253, 254, 255];
	var emptyArray = [204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204];

	var arrayBuffer = null;
	var view = null;
	var viewStart = 0;
	var viewLength = 0;

	function getElementSize(func)
	{
	switch (func) {
	case "Int8":
	case "Uint8":
	return 1;
	case "Int16":
	case "Uint16":
	return 2;
	case "Int32":
	case "Uint32":
	case "Float32":
	return 4;
	case "Float64":
	return 8;
	default:
	debug("Should not reached");
	}
	}

	function checkGet(func, index, expected, littleEndian)
	{
	var expr = "view.get" + func + "(" + index;
	if (littleEndian != undefined) {
	expr += ", ";
	expr += littleEndian ? "true" : "false";
	}
	expr += ")";
	if (index >= 0 && index + getElementSize(func) - 1 < view.byteLength)
	shouldBe(expr, expected);
	else
	shouldThrow(expr);
	}

	function checkSet(func, index, value, littleEndian)
	{
	var expr = "view.set" + func + "(" + index + ", " + value;
	if (littleEndian != undefined) {
	expr += ", ";
	expr += littleEndian ? "true" : "false";
	}
	expr += ")";
	if (index >= 0 && index + getElementSize(func) - 1 < view.byteLength) {
	shouldBeUndefined(expr);
	checkGet(func, index, value, littleEndian);
	} else
	shouldThrow(expr);
	}

	function checkGetWithoutArgument(func, expected)
	{
	var threw = false;
	var value;
	try {
	value = view["get" + func]();
	} catch (e) {
	threw = true;
	}

	if (threw) {
	// This used to be correct, but TC39 has changed the behavior of these methods.
	testPassed("view.get" + func + " with no arguments throws.");
	} else {
	if (value === expected) {
	testPassed("view.get" + func + " treats missing argument as 0.");
	} else {
	testFailed("view.get" + func + " accepts a missing argument but does not cast it to 0.");
	}
	}
	}

	function checkSetWithoutSecondArgument(func, index, isFloat)
	{
	var expected = isFloat ? NaN : 0;
	var threw = false;
	var value;
	try {
	value = view["set" + func](index);
	} catch (e) {
	threw = true;
	}

	if (threw) {
	// This used to be correct, but TC39 has changed the behavior of these methods.
	testPassed("view.set" + func + " with missing second argument throws.");
	} else {
	var stored = view["get" + func](index);
	if (value === undefined && isFloat ? isNaN(stored) : stored === expected) {
	testPassed("view.set" + func + " treats missing second argument as " + expected + ".");
	} else {
	testFailed("view.set" + func + " accepts a missing second argument but does not cast it to " + expected + ".");
	}
	}
	}

	function checkSetWithoutArguments(func, isFloat)
	{
	var expected = isFloat ? NaN : 0;
	var threw = false;
	var value;
	try {
	value = view["set" + func]();
	} catch (e) {
	threw = true;
	}

	if (threw) {
	// This used to be correct, but TC39 has changed the behavior of these methods.
	testPassed("view.set" + func + " with no arguments throws.");
	} else {
	var stored = view["get" + func](0);
	if (value === undefined && isFloat ? isNaN(stored) : stored === expected) {
	testPassed("view.set" + func + " treats missing first argument as 0.");
	} else {
	testFailed("view.set" + func + " accepts a missing first argument but does not cast it to 0.");
	}
	}
	}

	function testMissingArguments(func, constructor, isFloat)
	{
	view = new DataView((new constructor(3)).buffer);
	view["set" + func](0, 1);
	view["set" + func](getElementSize(func), 2);
	checkGetWithoutArgument(func, 1);
	checkSetWithoutSecondArgument(func, getElementSize(func), isFloat);
	view = new DataView((new constructor(3)).buffer);
	view["set" + func](0, 1);
	checkSetWithoutArguments(func, isFloat);
	}

	function test(isTestingGet, func, index, value, littleEndian)
	{
	if (isTestingGet)
	checkGet(func, index, value, littleEndian);
	else
	checkSet(func, index, value, littleEndian);
	}

	function createDataView(array, frontPaddingNum, littleEndian, start, length)
	{
	if (!littleEndian)
	array.reverse();
	var paddingArray = new Array(frontPaddingNum);
	arrayBuffer = (new Uint8Array(paddingArray.concat(array))).buffer;
	viewStart = (start != undefined) ? start : 0;
	viewLength = (length != undefined) ? length : arrayBuffer.byteLength - viewStart;
	view = new DataView(arrayBuffer, viewStart, viewLength);
	if (!littleEndian)
	array.reverse(); // restore the array.
	}

	function runIntegerTestCases(isTestingGet, array, start, length)
	{
	createDataView(array, 0, true, start, length);

	test(isTestingGet, "Int8", 0, "0");
	test(isTestingGet, "Int8", 8, "-128");
	test(isTestingGet, "Int8", 15, "-1");

	test(isTestingGet, "Uint8", 0, "0");
	test(isTestingGet, "Uint8", 8, "128");
	test(isTestingGet, "Uint8", 15, "255");

	// Little endian.
	test(isTestingGet, "Int16", 0, "256", true);
	test(isTestingGet, "Int16", 5, "26213", true);
	test(isTestingGet, "Int16", 9, "-32127", true);
	test(isTestingGet, "Int16", 14, "-2", true);

	// Big endian.
	test(isTestingGet, "Int16", 0, "1");
	test(isTestingGet, "Int16", 5, "25958");
	test(isTestingGet, "Int16", 9, "-32382");
	test(isTestingGet, "Int16", 14, "-257");

	// Little endian.
	test(isTestingGet, "Uint16", 0, "256", true);
	test(isTestingGet, "Uint16", 5, "26213", true);
	test(isTestingGet, "Uint16", 9, "33409", true);
	test(isTestingGet, "Uint16", 14, "65534", true);

	// Big endian.
	test(isTestingGet, "Uint16", 0, "1");
	test(isTestingGet, "Uint16", 5, "25958");
	test(isTestingGet, "Uint16", 9, "33154");
	test(isTestingGet, "Uint16", 14, "65279");

	// Little endian.
	test(isTestingGet, "Int32", 0, "50462976", true);
	test(isTestingGet, "Int32", 3, "1717920771", true);
	test(isTestingGet, "Int32", 6, "-2122291354", true);
	test(isTestingGet, "Int32", 9, "-58490239", true);
	test(isTestingGet, "Int32", 12, "-66052", true);

	// Big endian.
	test(isTestingGet, "Int32", 0, "66051");
	test(isTestingGet, "Int32", 3, "56911206");
	test(isTestingGet, "Int32", 6, "1718059137");
	test(isTestingGet, "Int32", 9, "-2122152964");
	test(isTestingGet, "Int32", 12, "-50462977");

	// Little endian.
	test(isTestingGet, "Uint32", 0, "50462976", true);
	test(isTestingGet, "Uint32", 3, "1717920771", true);
	test(isTestingGet, "Uint32", 6, "2172675942", true);
	test(isTestingGet, "Uint32", 9, "4236477057", true);
	test(isTestingGet, "Uint32", 12, "4294901244", true);

	// Big endian.
	test(isTestingGet, "Uint32", 0, "66051");
	test(isTestingGet, "Uint32", 3, "56911206");
	test(isTestingGet, "Uint32", 6, "1718059137");
	test(isTestingGet, "Uint32", 9, "2172814332");
	test(isTestingGet, "Uint32", 12, "4244504319");
	}

	function testFloat(isTestingGet, func, array, start, expected)
	{
	// Little endian.
	createDataView(array, 0, true, start);
	test(isTestingGet, func, 0, expected, true);
	createDataView(array, 3, true, start);
	test(isTestingGet, func, 3, expected, true);
	createDataView(array, 7, true, start);
	test(isTestingGet, func, 7, expected, true);
	createDataView(array, 10, true, start);
	test(isTestingGet, func, 10, expected, true);

	// Big endian.
	createDataView(array, 0, false);
	test(isTestingGet, func, 0, expected, false);
	createDataView(array, 3, false);
	test(isTestingGet, func, 3, expected, false);
	createDataView(array, 7, false);
	test(isTestingGet, func, 7, expected, false);
	createDataView(array, 10, false);
	test(isTestingGet, func, 10, expected, false);
	}

	function runFloatTestCases(isTestingGet, start)
	{
	testFloat(isTestingGet, "Float32", isTestingGet ? [0, 0, 32, 65] : emptyArray, start, "10");
	testFloat(isTestingGet, "Float32", isTestingGet ? [164, 112, 157, 63] : emptyArray, start, "1.2300000190734863");
	testFloat(isTestingGet, "Float32", isTestingGet ? [95, 53, 50, 199] : emptyArray, start, "-45621.37109375");
	testFloat(isTestingGet, "Float32", isTestingGet ? [255, 255, 255, 127] : emptyArray, start, "NaN");
	testFloat(isTestingGet, "Float32", isTestingGet ? [255, 255, 255, 255] : emptyArray, start, "-NaN");

	testFloat(isTestingGet, "Float64", isTestingGet ? [0, 0, 0, 0, 0, 0, 36, 64] : emptyArray, start, "10");
	testFloat(isTestingGet, "Float64", isTestingGet ? [174, 71, 225, 122, 20, 174, 243, 63] : emptyArray, start, "1.23");
	testFloat(isTestingGet, "Float64", isTestingGet ? [181, 55, 248, 30, 242, 179, 87, 193] : emptyArray, start, "-6213576.4839");
	testFloat(isTestingGet, "Float64", isTestingGet ? [255, 255, 255, 255, 255, 255, 255, 127] : emptyArray, start, "NaN");
	testFloat(isTestingGet, "Float64", isTestingGet ? [255, 255, 255, 255, 255, 255, 255, 255] : emptyArray, start, "-NaN");
	}

	function runNegativeIndexTests(isTestingGet)
	{
	createDataView(intArray1, 0, true, 0, 16);

	test(isTestingGet, "Int8", -1, "0");
	test(isTestingGet, "Int8", -2, "0");

	test(isTestingGet, "Uint8", -1, "0");
	test(isTestingGet, "Uint8", -2, "0");

	test(isTestingGet, "Int16", -1, "0");
	test(isTestingGet, "Int16", -2, "0");
	test(isTestingGet, "Int16", -3, "0");

	test(isTestingGet, "Uint16", -1, "0");
	test(isTestingGet, "Uint16", -2, "0");
	test(isTestingGet, "Uint16", -3, "0");

	test(isTestingGet, "Int32", -1, "0");
	test(isTestingGet, "Int32", -3, "0");
	test(isTestingGet, "Int32", -5, "0");

	test(isTestingGet, "Uint32", -1, "0");
	test(isTestingGet, "Uint32", -3, "0");
	test(isTestingGet, "Uint32", -5, "0");

	createDataView([0, 0, 0, 0, 0, 0, 36, 64], 0, true, 0, 8);

	test(isTestingGet, "Float32", -1, "0");
	test(isTestingGet, "Float32", -3, "0");
	test(isTestingGet, "Float32", -5, "0");

	test(isTestingGet, "Float64", -1, "0");
	test(isTestingGet, "Float64", -5, "0");
	test(isTestingGet, "Float64", -9, "0");
	}

	function runConstructorTests()
	{
	arrayBuffer = (new Uint8Array([1, 2])).buffer;

	debug("");
	debug("Test for constructor taking 1 argument");
	shouldBeDefined("view = new DataView(arrayBuffer)");
	shouldBe("view.byteOffset", "0");
	shouldBe("view.byteLength", "2");

	debug("");
	debug("Test for constructor taking 2 arguments");
	shouldBeDefined("view = new DataView(arrayBuffer, 1)");
	shouldBe("view.byteOffset", "1");
	shouldBe("view.byteLength", "1");

	debug("");
	debug("Test for constructor taking 3 arguments");
	shouldBeDefined("view = new DataView(arrayBuffer, 0, 1)");
	shouldBe("view.byteOffset", "0");
	shouldBe("view.byteLength", "1");

	debug("");
	debug("Test for constructor throwing exception");
	shouldThrow("view = new DataView(arrayBuffer, 0, 3)");
	shouldThrow("view = new DataView(arrayBuffer, 1, 2)");
	shouldThrow("view = new DataView(arrayBuffer, 2, 1)");
	}

	function runGetTests()
	{
	debug("");
	debug("Test for get methods that work");
	runIntegerTestCases(true, intArray1, 0, 16);
	runFloatTestCases(true, 0);

	debug("");
	debug("Test for get methods that might read beyond range");
	runIntegerTestCases(true, intArray2, 3, 2);
	runFloatTestCases(true, 3);

	debug("");
	debug("Test for get methods that read from negative index");
	runNegativeIndexTests(true);
	}

	function runSetTests()
	{
	debug("");
	debug("Test for set methods that work");
	runIntegerTestCases(false, emptyArray, 0, 16);
	runFloatTestCases(false);

	debug("");
	debug("Test for set methods that might write beyond the range");
	runIntegerTestCases(false, emptyArray, 3, 2);
	runFloatTestCases(false, 7);

	debug("");
	debug("Test for set methods that write to negative index");
	runNegativeIndexTests(false);
	}

	function runMissingArgumentTests()
	{
	debug("");
	debug("Test for get and set methods missing arguments");
	testMissingArguments("Int8", Int8Array);
	testMissingArguments("Uint8", Uint8Array);
	testMissingArguments("Int16", Int16Array);
	testMissingArguments("Uint16", Uint16Array);
	testMissingArguments("Int32", Int32Array);
	testMissingArguments("Uint32", Uint32Array);
	testMissingArguments("Float32", Float32Array, true);
	testMissingArguments("Float64", Float64Array, true);
	}

	function runIndexingTests()
	{
	debug("");
	debug("Test for indexing that should not work");
	view = new DataView((new Uint8Array([1, 2])).buffer);
	shouldBeUndefined("view[0]");
	shouldBeDefined("view[0] = 3");
	shouldBe("view.getUint8(0)", "1");
	}

	runConstructorTests();
	runGetTests();
	runSetTests();
	runMissingArgumentTests();
	runIndexingTests();
	var successfullyParsed = true;
	</script>

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