7bbea08f66
This refactoring makes it easier to write advanced tests and gives full control over what's happening to the test code. It also forces description for every test. BUG=none Review-Url: https://codereview.chromium.org/2891213002 Cr-Commit-Position: refs/heads/master@{#45412}
111 lines
3.9 KiB
JavaScript
111 lines
3.9 KiB
JavaScript
// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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let {session, contextGroup, Protocol} = InspectorTest.start('Tests imports in wasm');
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utils.load('test/mjsunit/wasm/wasm-constants.js');
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utils.load('test/mjsunit/wasm/wasm-module-builder.js');
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// Build two modules A and B. A defines function func, which contains a
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// breakpoint. This function is then imported by B and called via main. The
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// breakpoint must be hit.
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// This failed before (http://crbug.com/v8/5971).
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var builder_a = new WasmModuleBuilder();
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var func_idx = builder_a.addFunction('func', kSig_v_v)
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.addBody([kExprNop])
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.exportFunc()
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.index;
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var module_a_bytes = builder_a.toArray();
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var builder_b = new WasmModuleBuilder();
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var import_idx = builder_b.addImport('imp', 'f', kSig_v_v);
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builder_b.addFunction('main', kSig_v_v)
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.addBody([kExprCallFunction, import_idx])
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.exportFunc();
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var module_b_bytes = builder_b.toArray();
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function instantiate(bytes, imp) {
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var buffer = new ArrayBuffer(bytes.length);
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var view = new Uint8Array(buffer);
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for (var i = 0; i < bytes.length; ++i) {
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view[i] = bytes[i] | 0;
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}
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var module = new WebAssembly.Module(buffer);
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// Add to global instances array.
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instances.push(new WebAssembly.Instance(module, imp));
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}
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var evalWithUrl = (code, url) => Protocol.Runtime.evaluate(
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{'expression': code + '\n//# sourceURL=v8://test/' + url});
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session.setupScriptMap();
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// Main promise chain:
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Protocol.Debugger.enable()
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.then(() => InspectorTest.log('Installing code and global variable.'))
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.then(
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() => evalWithUrl(
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'var instances = [];\n' + instantiate.toString(), 'setup'))
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.then(() => InspectorTest.log('Calling instantiate function for module A.'))
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.then(
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() =>
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(evalWithUrl(
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'instantiate(' + JSON.stringify(module_a_bytes) + ')',
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'instantiateA'),
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0))
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.then(() => InspectorTest.log('Waiting for wasm script to be parsed.'))
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.then(waitForWasmScript)
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.then(url => (InspectorTest.log('Setting breakpoint in line 1:'), url))
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.then(
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url =>
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Protocol.Debugger.setBreakpointByUrl({lineNumber: 1, url: url}))
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.then(printFailure)
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.then(msg => session.logSourceLocations(msg.result.locations))
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.then(() => InspectorTest.log('Calling instantiate function for module B.'))
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.then(
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() =>
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(evalWithUrl(
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'instantiate(' + JSON.stringify(module_b_bytes) +
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', {imp: {f: instances[0].exports.func}})',
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'instantiateB'),
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0))
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.then(() => InspectorTest.log('Calling main function on module B.'))
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.then(() => evalWithUrl('instances[1].exports.main()', 'runWasm'))
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.then(() => InspectorTest.log('exports.main returned.'))
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.then(() => InspectorTest.log('Finished.'))
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.then(InspectorTest.completeTest);
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// Separate promise chain for the asynchronous pause:
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Protocol.Debugger.oncePaused()
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.then(msg => msg.params.callFrames[0].location)
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.then(
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loc =>
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(InspectorTest.log(
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'Paused at ' + loc.lineNumber + ':' + loc.columnNumber + '.'),
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loc))
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.then(session.logSourceLocation.bind(session))
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.then(
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() => InspectorTest.log(
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'Getting current stack trace via "new Error().stack".'))
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.then(() => evalWithUrl('new Error().stack', 'getStack'))
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.then(msg => InspectorTest.log(msg.result.result.value))
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.then(Protocol.Debugger.resume);
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function printFailure(message) {
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if (!message.result) {
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InspectorTest.logMessage(message);
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}
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return message;
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}
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function waitForWasmScript(msg) {
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if (!msg || !msg.params.url.startsWith('wasm://')) {
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return Protocol.Debugger.onceScriptParsed().then(waitForWasmScript);
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}
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InspectorTest.log('Got wasm script!');
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return Promise.resolve(msg.params.url);
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}
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