1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jit-test/lib/asm.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,179 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +const ASM_OK_STRING = "successfully compiled asm.js code";
1.9 +const ASM_TYPE_FAIL_STRING = "asm.js type error:";
1.10 +const ASM_DIRECTIVE_FAIL_STRING = "\"use asm\" is only meaningful in the Directive Prologue of a function body";
1.11 +
1.12 +const USE_ASM = '"use asm";';
1.13 +const HEAP_IMPORTS = "const i8=new glob.Int8Array(b);var u8=new glob.Uint8Array(b);"+
1.14 + "const i16=new glob.Int16Array(b);var u16=new glob.Uint16Array(b);"+
1.15 + "const i32=new glob.Int32Array(b);var u32=new glob.Uint32Array(b);"+
1.16 + "const f32=new glob.Float32Array(b);var f64=new glob.Float64Array(b);";
1.17 +const BUF_64KB = new ArrayBuffer(64 * 1024);
1.18 +
1.19 +function asmCompile()
1.20 +{
1.21 + var f = Function.apply(null, arguments);
1.22 + assertEq(!isAsmJSCompilationAvailable() || isAsmJSModule(f), true);
1.23 + return f;
1.24 +}
1.25 +
1.26 +function asmCompileCached()
1.27 +{
1.28 + if (!isAsmJSCompilationAvailable())
1.29 + return Function.apply(null, arguments);
1.30 +
1.31 + if (!isCachingEnabled()) {
1.32 + var f = Function.apply(null, arguments);
1.33 + assertEq(isAsmJSModule(f), true);
1.34 + return f;
1.35 + }
1.36 +
1.37 + var quotedArgs = [];
1.38 + for (var i = 0; i < arguments.length; i++)
1.39 + quotedArgs.push("'" + arguments[i] + "'");
1.40 + var code = "setCachingEnabled(true); var f = new Function(" + quotedArgs.join(',') + ");assertEq(isAsmJSModule(f), true);";
1.41 + nestedShell("--js-cache", "--execute=" + code);
1.42 +
1.43 + var f = Function.apply(null, arguments);
1.44 + assertEq(isAsmJSModuleLoadedFromCache(f), true);
1.45 + return f;
1.46 +}
1.47 +
1.48 +function assertAsmDirectiveFail(str)
1.49 +{
1.50 + if (!isAsmJSCompilationAvailable())
1.51 + return;
1.52 +
1.53 + // Turn on warnings-as-errors
1.54 + var oldOpts = options("werror");
1.55 + assertEq(oldOpts.indexOf("werror"), -1);
1.56 +
1.57 + // Verify an error is thrown
1.58 + var caught = false;
1.59 + try {
1.60 + eval(str);
1.61 + } catch (e) {
1.62 + if ((''+e).indexOf(ASM_DIRECTIVE_FAIL_STRING) == -1)
1.63 + throw new Error("Didn't catch the expected directive failure error; instead caught: " + e + "\nStack: " + new Error().stack);
1.64 + caught = true;
1.65 + }
1.66 + if (!caught)
1.67 + throw new Error("Didn't catch the directive failure error");
1.68 +
1.69 + // Turn warnings-as-errors back off
1.70 + options("werror");
1.71 +}
1.72 +
1.73 +function assertAsmTypeFail()
1.74 +{
1.75 + if (!isAsmJSCompilationAvailable())
1.76 + return;
1.77 +
1.78 + // Verify no error is thrown with warnings off
1.79 + Function.apply(null, arguments);
1.80 +
1.81 + // Turn on warnings-as-errors
1.82 + var oldOpts = options("werror");
1.83 + assertEq(oldOpts.indexOf("werror"), -1);
1.84 +
1.85 + // Verify an error is thrown
1.86 + var caught = false;
1.87 + try {
1.88 + Function.apply(null, arguments);
1.89 + } catch (e) {
1.90 + if ((''+e).indexOf(ASM_TYPE_FAIL_STRING) == -1)
1.91 + throw new Error("Didn't catch the expected type failure error; instead caught: " + e + "\nStack: " + new Error().stack);
1.92 + caught = true;
1.93 + }
1.94 + if (!caught)
1.95 + throw new Error("Didn't catch the type failure error");
1.96 +
1.97 + // Turn warnings-as-errors back off
1.98 + options("werror");
1.99 +}
1.100 +
1.101 +function assertAsmLinkFail(f)
1.102 +{
1.103 + if (!isAsmJSCompilationAvailable())
1.104 + return;
1.105 +
1.106 + assertEq(isAsmJSModule(f), true);
1.107 +
1.108 + // Verify no error is thrown with warnings off
1.109 + var ret = f.apply(null, Array.slice(arguments, 1));
1.110 +
1.111 + assertEq(isAsmJSFunction(ret), false);
1.112 + if (typeof ret === 'object')
1.113 + for (f of ret)
1.114 + assertEq(isAsmJSFunction(f), false);
1.115 +
1.116 + // Turn on warnings-as-errors
1.117 + var oldOpts = options("werror");
1.118 + assertEq(oldOpts.indexOf("werror"), -1);
1.119 +
1.120 + // Verify an error is thrown
1.121 + var caught = false;
1.122 + try {
1.123 + f.apply(null, Array.slice(arguments, 1));
1.124 + } catch (e) {
1.125 + // Arbitrary code an run in the GetProperty, so don't assert any
1.126 + // particular string
1.127 + caught = true;
1.128 + }
1.129 + if (!caught)
1.130 + throw new Error("Didn't catch the link failure error");
1.131 +
1.132 + // Turn warnings-as-errors back off
1.133 + options("werror");
1.134 +}
1.135 +
1.136 +// Linking should throw an exception even without warnings-as-errors
1.137 +function assertAsmLinkAlwaysFail(f)
1.138 +{
1.139 + var caught = false;
1.140 + try {
1.141 + f.apply(null, Array.slice(arguments, 1));
1.142 + } catch (e) {
1.143 + caught = true;
1.144 + }
1.145 + if (!caught)
1.146 + throw new Error("Didn't catch the link failure error");
1.147 +
1.148 + // Turn on warnings-as-errors
1.149 + var oldOpts = options("werror");
1.150 + assertEq(oldOpts.indexOf("werror"), -1);
1.151 +
1.152 + // Verify an error is thrown
1.153 + var caught = false;
1.154 + try {
1.155 + f.apply(null, Array.slice(arguments, 1));
1.156 + } catch (e) {
1.157 + caught = true;
1.158 + }
1.159 + if (!caught)
1.160 + throw new Error("Didn't catch the link failure error");
1.161 +
1.162 + // Turn warnings-as-errors back off
1.163 + options("werror");
1.164 +}
1.165 +
1.166 +// Linking should throw a warning-as-error but otherwise run fine
1.167 +function asmLink(f)
1.168 +{
1.169 + if (!isAsmJSCompilationAvailable())
1.170 + return f.apply(null, Array.slice(arguments, 1));
1.171 +
1.172 + // Turn on warnings-as-errors
1.173 + var oldOpts = options("werror");
1.174 + assertEq(oldOpts.indexOf("werror"), -1);
1.175 +
1.176 + var ret = f.apply(null, Array.slice(arguments, 1));
1.177 +
1.178 + // Turn warnings-as-errors back off
1.179 + options("werror");
1.180 +
1.181 + return ret;
1.182 +}
