1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/tests/mochitest/crypto/test_getRandomValues.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,212 @@
1.4 +<!DOCTYPE HTML>
1.5 +<html><head>
1.6 + <title>Test window.crypto.getRandomValues</title>
1.7 + <script type="text/javascript" src="/MochiKit/packed.js"></script>
1.8 + <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.9 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
1.10 +</head>
1.11 +<body onload="onWindowLoad()">
1.12 +<script class="testbody" type="text/javascript">
1.13 +SimpleTest.waitForExplicitFinish();
1.14 +
1.15 +var testData = [ { len: 32, type: "Int8", pass: true },
1.16 + { len: 32, type: "Int16", pass: true },
1.17 + { len: 32, type: "Int32", pass: true },
1.18 + { len: 32, type: "Uint8", pass: true },
1.19 + { len: 32, type: "Uint16", pass: true },
1.20 + { len: 32, type: "Uint32", pass: true },
1.21 + { len: 65536, type: "Uint8", pass: true },
1.22 + { len: 32, type: "Uint8Clamped", pass: true },
1.23 + { len: 65537, type: "Uint8", pass: false },
1.24 + { len: 32, type: "Float32", pass: false },
1.25 + { len: 32, type: "Float64", pass: false } ];
1.26 +
1.27 +
1.28 +var testCount = 0;
1.29 +
1.30 +function testNsCryptoGetRandomValues(aLength, aType)
1.31 +{
1.32 + var arrayTypes = {
1.33 + Int8: Int8Array,
1.34 + Int16: Int16Array,
1.35 + Int32: Int32Array,
1.36 + Uint8: Uint8Array,
1.37 + Uint16: Uint16Array,
1.38 + Uint32: Uint32Array,
1.39 + Float32: Float32Array,
1.40 + Float64: Float64Array,
1.41 + Uint8Clamped: Uint8ClampedArray,
1.42 + };
1.43 +
1.44 + testCount++;
1.45 +
1.46 + var buf = new ArrayBuffer(aLength);
1.47 + var arBuf = new arrayTypes[aType](buf);
1.48 +
1.49 + var pass = false;
1.50 + var b = window.crypto.getRandomValues(arBuf);
1.51 + ok(b === arBuf, "ArrayBuffer result is argument buffer");
1.52 +
1.53 + for (var i = 0; i < arBuf.length; i++) {
1.54 + if (arBuf.length > 6) {
1.55 + // XXXddahl: THIS MIGHT FAIL EVERY FULL MOON, SORRY QA!!!
1.56 + if (arBuf[i] != 0) {
1.57 + pass = true;
1.58 + break;
1.59 + }
1.60 + }
1.61 + else {
1.62 + pass = true;
1.63 + }
1.64 + }
1.65 + is(pass, true, "Non-zero result: " + i + " found in the " + aType + ": " + aLength + " ArrayBufferView");
1.66 +}
1.67 +
1.68 +function onWindowLoad()
1.69 +{
1.70 + window.removeEventListener("load", onWindowLoad, false);
1.71 + var failedWithCorrectError = false;
1.72 + try {
1.73 + for (var i = 0; i < testData.length; i++) {
1.74 + if (testData[i].pass) {
1.75 + try {
1.76 + testNsCryptoGetRandomValues(testData[i].len, testData[i].type, testData[i].pass);
1.77 + }
1.78 + catch (ex) {
1.79 + ok(false, "testNsCryptoGetRandomValues failed, test should have passed: " + testData[i].type);
1.80 + }
1.81 + }
1.82 + else {
1.83 + // failing tests are dealt with here
1.84 + if (i == 8) {
1.85 + try {
1.86 + testNsCryptoGetRandomValues(testData[i].len, testData[i].type, testData[i].pass);
1.87 + }
1.88 + catch (ex) {
1.89 + todo("QuotaExceededError" in window && ex instanceof QuotaExceededError,
1.90 + "Exception was the correct type");
1.91 + failedWithCorrectError = ex.toString().search(/QUOTA_EXCEEDED_ERR/);
1.92 + ok(failedWithCorrectError, "Extended length array buffer fails, NS_ERROR_DOM_QUOTA_EXCEEDED_ERR thrown");
1.93 + }
1.94 + } // 8
1.95 +
1.96 + if (i == 9) {
1.97 + try {
1.98 + testNsCryptoGetRandomValues(testData[i].len, testData[i].type, testData[i].pass);
1.99 + }
1.100 + catch (ex) {
1.101 + failedWithCorrectError = ex.toString().search(/TYPE_MISMATCH_ERR/);
1.102 + ok(failedWithCorrectError,
1.103 + "Expected TYPE_MISMATCH_ERR: Float32Array is not valid, got " + ex + ".");
1.104 + }
1.105 + } // 9
1.106 +
1.107 + if (i == 10) {
1.108 + try {
1.109 + testNsCryptoGetRandomValues(testData[i].len, testData[i].type, testData[i].pass);
1.110 + }
1.111 + catch (ex) {
1.112 + failedWithCorrectError = ex.toString().search(/TYPE_MISMATCH_ERR/);
1.113 + ok(failedWithCorrectError,
1.114 + "Expected TYPE_MISMATCH_ERR: Float64Array is not valid, got " + ex + ".");
1.115 + }
1.116 + }
1.117 + }
1.118 + } // end main for loop
1.119 + }
1.120 + catch (ex) {
1.121 + ok(false, "Unexpected Error: " + ex);
1.122 + }
1.123 + // Count the tests in the testData array
1.124 + ok(testCount == 11, "11 tests run via testData");
1.125 +
1.126 + // Test a null argument
1.127 + try {
1.128 + window.crypto.getRandomValues(null);
1.129 + }
1.130 + catch (ex) {
1.131 + var test = ex.toString().search(/1003|TypeError/);
1.132 + ok((test > -1), "Expected TYPE_ERR, got " + ex + ".");
1.133 + }
1.134 +
1.135 + // Test a zero-length buffer view
1.136 + try {
1.137 + var a = new Int8Array(0);
1.138 + window.crypto.getRandomValues(a);
1.139 + ok(a[0] === undefined, "The array buffer is unchanged, still 0 length");
1.140 + }
1.141 + catch (ex) {
1.142 + ok(false, "A zero-length array buffer view should not fail");
1.143 + }
1.144 +
1.145 + // Test a one-length buffer view
1.146 + var randomVal = 0;
1.147 + // The probability of getRandomValues generating a zero value is 1/256 so we
1.148 + // run this in a loop until it returns a non-zero value to guard against
1.149 + // false failures
1.150 + do {
1.151 + try {
1.152 + var a = new Uint8Array(1);
1.153 + var b = window.crypto.getRandomValues(a);
1.154 + randomVal = a[0];
1.155 + ok(a === b, "ArrayBuffer result is argument buffer");
1.156 + }
1.157 + catch (ex) {
1.158 + ok(false, "A one-length array buffer view should not fail");
1.159 + }
1.160 + }
1.161 + while (randomVal == 0);
1.162 + ok(randomVal !== 0, "The array buffer eventually had one random value");
1.163 +
1.164 + // Test a 16 byte length buffer
1.165 + var testConfig = { len: 16, type: "Int8", pass: true };
1.166 + testNsCryptoGetRandomValues(testConfig.len,
1.167 + testConfig.type,
1.168 + testConfig.pass);
1.169 +
1.170 + // Test a 31 byte length buffer
1.171 + testConfig = { len: 31, type: "Int8", pass: true };
1.172 + testNsCryptoGetRandomValues(testConfig.len,
1.173 + testConfig.type,
1.174 + testConfig.pass);
1.175 +
1.176 + // Test a 33 byte length buffer
1.177 + testConfig = { len: 33, type: "Int8", pass: true };
1.178 + testNsCryptoGetRandomValues(testConfig.len,
1.179 + testConfig.type,
1.180 + testConfig.pass);
1.181 +
1.182 + // Test a range of an array buffer view
1.183 + var buffer = new ArrayBuffer(32);
1.184 + var view = new Int8Array(buffer, 0, 16);
1.185 + var view2 = new Int8Array(buffer, 16, 16);
1.186 + for (var i = 0; i < view2.byteLength; i++) {
1.187 + view2[i] = 1;
1.188 + }
1.189 + var b = window.crypto.getRandomValues(view);
1.190 + ok(b === view, "ArrayBuffer result is argument buffer");
1.191 + for (var i = 0; i < view.byteLength; i++) {
1.192 + is(view2[i], 1, "view2 is unchanged");
1.193 + }
1.194 +
1.195 + // test an offset view
1.196 + var result = false;
1.197 + var b = window.crypto.getRandomValues(view2);
1.198 + for (var i = 0; i < view2.length; i++) {
1.199 + if (view2[i] != 1) {
1.200 + result = true;
1.201 + break;
1.202 + }
1.203 + }
1.204 + ok(result, "view2 has been updated correctly");
1.205 + ok(b === view2, "ArrayBuffer result is argument buffer");
1.206 + // test the return value
1.207 + buffer = new ArrayBuffer(32);
1.208 + view = new Int8Array(buffer, 0, 16);
1.209 + var retval = window.crypto.getRandomValues(view);
1.210 + ok(view === retval, "The view and return value are the same");
1.211 +
1.212 + SimpleTest.finish();
1.213 +}
1.214 +</script>
1.215 +</body></html>
