nodejs/deps/v8/test/inspector/debugger/wasm-terminate-execution-on-pause.js

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// Copyright 2022 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
utils.load('test/inspector/wasm-inspector-test.js');
let {session, contextGroup, Protocol} =
InspectorTest.start('Tests termination on pause in Wasm');
session.setupScriptMap();
Protocol.Runtime.enable();
Protocol.Runtime.onConsoleAPICalled(
message => InspectorTest.logMessage(message.params.args[0]));
Protocol.Debugger.enable();
const builder = new WasmModuleBuilder();
const func = builder.addFunction('func', kSig_v_v)
.addBody([kExprNop])
.exportFunc();
const module_bytes = builder.toArray();
InspectorTest.runAsyncTestSuite([
async function testTerminateOnBreakpoint() {
InspectorTest.log('Instantiating.');
// Spawn asynchronously:
WasmInspectorTest.instantiate(module_bytes);
InspectorTest.log(
'Waiting for wasm script (ignoring first non-wasm script).');
const [, {params: wasm_script}] = await Protocol.Debugger.onceScriptParsed(2);
InspectorTest.log('Setting breakpoint.');
InspectorTest.logMessage(await Protocol.Debugger.setBreakpoint({
'location': {
'scriptId': wasm_script.scriptId,
'lineNumber': 0,
'columnNumber': func.body_offset
}
}));
InspectorTest.log('Calling wasm export.');
const evaluation = Protocol.Runtime.evaluate({
'expression': `console.log('Before Wasm execution');` +
`instance.exports.func();` +
`console.log('After Wasm execution (should not be reached)');`
});
const pause_msg = await Protocol.Debugger.oncePaused();
InspectorTest.log('Paused:');
await session.logSourceLocation(pause_msg.params.callFrames[0].location);
const terminated = Protocol.Runtime.terminateExecution();
await Protocol.Debugger.resume();
await terminated;
await evaluation;
},
]);