[test] add debugger scopes testing for async functions
BUG=v8:4483 R=littledan@chromium.org, yangguo@chromium.org Review-Url: https://codereview.chromium.org/2005613002 Cr-Commit-Position: refs/heads/master@{#36489}
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test/mjsunit/harmony/async-function-debug-scopes.js
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617
test/mjsunit/harmony/async-function-debug-scopes.js
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// Copyright 2016 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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// Flags: --harmony-async-await --expose-debug-as debug
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var Debug = debug.Debug;
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var AsyncFunction = (async function() {}).constructor;
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async function thrower() { throw 'Exception'; }
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async function test(name, func, args, handler, continuation) {
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var handler_called = false;
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var exception = null;
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function listener(event, exec_state, event_data, data) {
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try {
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if (event == Debug.DebugEvent.Break) {
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handler_called = true;
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handler(exec_state);
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}
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} catch (e) {
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exception = e;
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}
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}
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Debug.setListener(listener);
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var result;
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if (typeof func === "object")
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result = await func.method.apply(func, args);
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else
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result = await func.apply(null, args);
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if (typeof continuation === "function") {
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await continuation(result);
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}
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assertTrue(handler_called, `Expected ${name} handler to be called`);
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if (exception) {
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exception.message = `${name} / ${exception.message}`;
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print(exception.stack);
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quit(1);
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}
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Debug.setListener(null);
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}
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async function runTests() {
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// Simple
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await test(
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"(AsyncFunctionExpression) Local 1",
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async function() { debugger; }, [],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({}, 0, exec_state);
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});
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await test(
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"(AsyncFunctionExpression) Local 1 --- resume normal",
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async function() { let z = await 2; debugger; }, [],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({z: 2}, 0, exec_state);
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});
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await test(
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"(AsyncFunctionExpression) Local 1 --- resume throw",
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async function() { let q = await 1;
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try { let z = await thrower(); }
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catch (e) { debugger; } }, [],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Catch,
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debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({e: 'Exception'}, 0, exec_state);
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CheckScopeContent({q: 1}, 1, exec_state);
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});
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// Simple With Parameter
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await test(
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"(AsyncFunctionExpression) Local 2",
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async function(a) { debugger; }, [1],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({ a: 1 }, 0, exec_state);
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});
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await test(
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"(AsyncFunctionExpression) Local 2 --- resume normal",
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async function(a) { let z = await 2; debugger; }, [1],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({ a: 1, z: 2 }, 0, exec_state);
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});
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await test(
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"(AsyncFunctionExpression) Local 2 --- resume throw",
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async function(a) { let z = await 2;
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try { await thrower(); } catch (e) { debugger; } }, [1],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Catch,
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debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({ e: 'Exception' }, 0, exec_state);
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CheckScopeContent({ a: 1, z: 2 }, 1, exec_state);
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});
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// Simple With Parameter and Variable
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await test(
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"(AsyncFunctionExpression) Local 3",
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async function(a) { var b = 2; debugger; }, [1],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({ a: 1, b: 2 }, 0, exec_state);
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});
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await test(
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"(AsyncFunctionExpression) Local 3 --- resume normal",
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async function(a) { let y = await 3; var b = 2; let z = await 4;
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debugger; }, [1],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({ a: 1, b: 2, y: 3, z: 4 }, 0, exec_state);
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});
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await test(
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"(AsyncFunctionExpression) Local 3 --- resume throw",
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async function(a) { let y = await 3;
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try { var b = 2; let z = await thrower(); }
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catch (e) { debugger; } }, [1],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Catch,
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debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({ e: 'Exception' }, 0, exec_state);
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CheckScopeContent({ a: 1, b: 2, y: 3 }, 1, exec_state);
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});
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// Local scope with parameters and local variables.
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await test(
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"(AsyncFunctionExpression) Local 4",
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async function(a, b) { var x = 3; var y = 4; debugger; }, [1, 2],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({a:1,b:2,x:3,y:4}, 0, exec_state);
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});
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await test(
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"(AsyncFunctionExpression) Local 4 --- resume normal",
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async function(a, b) { let q = await 5; var x = 3; var y = 4;
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let r = await 6; debugger; }, [1, 2],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({a:1,b:2,x:3,y:4, q: 5, r: 6}, 0, exec_state);
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});
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await test(
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"(AsyncFunctionExpression) Local 4 --- resume throw",
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async function(a, b) { let q = await 5; var x = 3; var y = 4;
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try { let r = await thrower(); }
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catch (e) { debugger; } }, [1, 2],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Catch,
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debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({e: 'Exception'}, 0, exec_state);
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CheckScopeContent({a:1,b:2,x:3,y:4, q: 5}, 1, exec_state);
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});
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// Empty local scope with use of eval.
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await test(
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"(AsyncFunctionExpression) Local 5",
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async function() { eval(""); debugger; }, [],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({}, 0, exec_state);
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});
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await test(
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"(AsyncFunctionExpression) Local 5 --- resume normal",
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async function() { let x = await 1; eval(""); let y = await 2;
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debugger; }, [],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({ x: 1, y: 2 }, 0, exec_state);
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});
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await test(
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"(AsyncFunctionExpression) Local 5 --- resume throw",
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async function() { let x = await 1; eval("");
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try { let y = await thrower(); }
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catch (e) { debugger; } }, [],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Catch,
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debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({ e: 'Exception' }, 0, exec_state);
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CheckScopeContent({ x: 1 }, 1, exec_state);
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});
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// Local introducing local variable using eval.
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await test(
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"(AsyncFunctionExpression) Local 6",
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async function() { eval("var i = 5"); debugger; }, [],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({i:5}, 0, exec_state);
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});
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await test(
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"(AsyncFunctionExpression) Local 6 --- resume normal",
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async function() { let x = await 1; eval("var i = 5"); let y = await 2;
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debugger; }, [],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({i:5, x: 1, y: 2}, 0, exec_state);
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});
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await test(
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"(AsyncFunctionExpression) Local 6 --- resume throw",
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async function() { let x = await 1; eval("var i = 5");
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try { let y = await thrower(); }
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catch (e) { debugger; } }, [],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Catch,
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debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({e: 'Exception' }, 0, exec_state);
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CheckScopeContent({i:5, x: 1}, 1, exec_state);
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});
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// Local scope with parameters, local variables and local variable introduced
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// using eval.
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await test(
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"(AsyncFunctionExpression) Local 7",
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async function(a, b) { var x = 3; var y = 4;
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eval("var i = 5;"); eval("var j = 6");
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debugger; }, [1, 2],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6}, 0, exec_state);
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});
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await test(
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"(AsyncFunctionExpression) Local 7 --- resume normal",
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async function(a, b) { let z = await 7; var x = 3; var y = 4;
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eval("var i = 5;"); eval("var j = 6");
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let q = await 8;
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debugger; }, [1, 2],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6, z:7, q:8}, 0, exec_state);
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});
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await test(
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"(AsyncFunctionExpression) Local 7 --- resume throw",
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async function(a, b) { let z = await 7; var x = 3; var y = 4;
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eval("var i = 5;"); eval("var j = 6");
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try { let q = await thrower(); }
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catch (e) { debugger; } }, [1, 2],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Catch,
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debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({e: 'Exception'}, 0, exec_state);
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//CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6, z:7}, 1, exec_state);
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});
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// Nested empty with blocks.
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await test(
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"(AsyncFunctionExpression) With",
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async function() { with ({}) { with ({}) { debugger; } } }, [],
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exec_state => {
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CheckScopeChain([debug.ScopeType.With,
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debug.ScopeType.With,
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debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({}, 0, exec_state);
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CheckScopeContent({}, 1, exec_state);
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});
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await test(
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"(AsyncFunctionExpression) With --- resume normal",
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async function() { let x = await 1; with ({}) { with ({}) {
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let y = await 2; debugger; } } }, [],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Block,
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debug.ScopeType.With,
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debug.ScopeType.With,
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debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({y:2}, 0, exec_state);
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CheckScopeContent({}, 1, exec_state);
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CheckScopeContent({}, 2, exec_state);
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CheckScopeContent({x:1}, 3, exec_state);
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});
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await test(
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"(AsyncFunctionExpression) With --- resume throw",
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async function() { let x = await 1; with ({}) { with ({}) {
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try { let y = await thrower(); }
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catch (e) { debugger; } } } }, [],
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exec_state => {
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CheckScopeChain([debug.ScopeType.Catch,
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debug.ScopeType.With,
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debug.ScopeType.With,
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debug.ScopeType.Local,
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debug.ScopeType.Closure,
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
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CheckScopeContent({ e: 'Exception'}, 0, exec_state);
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CheckScopeContent({}, 1, exec_state);
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CheckScopeContent({}, 2, exec_state);
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CheckScopeContent({x:1}, 3, exec_state);
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});
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// Simple closure formed by returning an inner function referering the outer
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// functions arguments.
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await test(
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"(AsyncFunctionExpression) Closure 1",
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async function(a) { return function() { debugger; return a; } }, [1],
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exec_state => {
|
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CheckScopeChain([debug.ScopeType.Local,
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debug.ScopeType.Closure,
|
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debug.ScopeType.Closure,
|
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debug.ScopeType.Script,
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debug.ScopeType.Global], exec_state);
|
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CheckScopeContent({a:1}, 1, exec_state);
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},
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result => result());
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await test(
|
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"(AsyncFunctionExpression) Closure 1 --- resume normal",
|
||||
async function(a) { let x = await 2;
|
||||
return function() { debugger; return a; } }, [1],
|
||||
exec_state => {
|
||||
CheckScopeChain([debug.ScopeType.Local,
|
||||
debug.ScopeType.Closure,
|
||||
debug.ScopeType.Closure,
|
||||
debug.ScopeType.Script,
|
||||
debug.ScopeType.Global], exec_state);
|
||||
CheckScopeContent({a:1, x: 2}, 1, exec_state);
|
||||
},
|
||||
result => result());
|
||||
|
||||
await test(
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"(AsyncFunctionExpression) Closure 1 --- resume throw",
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async function(a) { let x = await 2;
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return async function() {
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||||
try { await thrower(); }
|
||||
catch (e) { debugger; } return a; }; }, [1],
|
||||
exec_state => {
|
||||
CheckScopeChain([debug.ScopeType.Catch,
|
||||
debug.ScopeType.Local,
|
||||
debug.ScopeType.Closure,
|
||||
debug.ScopeType.Closure,
|
||||
debug.ScopeType.Script,
|
||||
debug.ScopeType.Global], exec_state);
|
||||
CheckScopeContent({e: 'Exception'}, 0, exec_state);
|
||||
CheckScopeContent({a:1, x: 2}, 2, exec_state);
|
||||
},
|
||||
result => result());
|
||||
|
||||
await test(
|
||||
"(AsyncFunctionExpression) Catch block 1",
|
||||
async function() { try { throw 'Exception'; } catch (e) { debugger; } }, [],
|
||||
exec_state => {
|
||||
CheckScopeChain([debug.ScopeType.Catch,
|
||||
debug.ScopeType.Local,
|
||||
debug.ScopeType.Closure,
|
||||
debug.ScopeType.Script,
|
||||
debug.ScopeType.Global], exec_state);
|
||||
CheckScopeContent({e:'Exception'}, 0, exec_state);
|
||||
});
|
||||
|
||||
await test(
|
||||
"(AsyncFunctionExpression) Catch block 1 --- resume normal",
|
||||
async function() {
|
||||
let x = await 1;
|
||||
try { throw 'Exception'; } catch (e) { let y = await 2; debugger; } }, [],
|
||||
exec_state => {
|
||||
CheckScopeChain([debug.ScopeType.Block,
|
||||
debug.ScopeType.Catch,
|
||||
debug.ScopeType.Local,
|
||||
debug.ScopeType.Closure,
|
||||
debug.ScopeType.Script,
|
||||
debug.ScopeType.Global], exec_state);
|
||||
CheckScopeContent({y: 2}, 0, exec_state);
|
||||
CheckScopeContent({e:'Exception'}, 1, exec_state);
|
||||
CheckScopeContent({x: 1}, 2, exec_state);
|
||||
});
|
||||
|
||||
await test(
|
||||
"(AsyncFunctionExpression) Catch block 1 --- resume throw",
|
||||
async function() {
|
||||
let x = await 1;
|
||||
try { throw 'Exception!'; } catch (e) {
|
||||
try { let y = await thrower(); } catch (e) { debugger; } } }, [],
|
||||
exec_state => {
|
||||
CheckScopeChain([debug.ScopeType.Catch,
|
||||
debug.ScopeType.Catch,
|
||||
debug.ScopeType.Local,
|
||||
debug.ScopeType.Closure,
|
||||
debug.ScopeType.Script,
|
||||
debug.ScopeType.Global], exec_state);
|
||||
CheckScopeContent({e:'Exception'}, 0, exec_state);
|
||||
CheckScopeContent({e:'Exception!'}, 1, exec_state);
|
||||
CheckScopeContent({x: 1}, 2, exec_state);
|
||||
});
|
||||
}
|
||||
|
||||
runTests().catch(error => {
|
||||
print(error.stack);
|
||||
quit(1);
|
||||
})
|
||||
|
||||
// Check that two scope are the same.
|
||||
function assertScopeMirrorEquals(scope1, scope2) {
|
||||
assertEquals(scope1.scopeType(), scope2.scopeType());
|
||||
assertEquals(scope1.frameIndex(), scope2.frameIndex());
|
||||
assertEquals(scope1.scopeIndex(), scope2.scopeIndex());
|
||||
assertPropertiesEqual(
|
||||
scope1.scopeObject().value(), scope2.scopeObject().value());
|
||||
}
|
||||
|
||||
function CheckFastAllScopes(scopes, exec_state) {
|
||||
var fast_all_scopes = exec_state.frame().allScopes(true);
|
||||
var length = fast_all_scopes.length;
|
||||
assertTrue(scopes.length >= length);
|
||||
for (var i = 0; i < scopes.length && i < length; i++) {
|
||||
var scope = fast_all_scopes[length - i - 1];
|
||||
assertTrue(scope.isScope());
|
||||
assertEquals(scopes[scopes.length - i - 1], scope.scopeType());
|
||||
}
|
||||
}
|
||||
|
||||
// Check that the scope chain contains the expected types of scopes.
|
||||
function CheckScopeChain(scopes, exec_state) {
|
||||
var all_scopes = exec_state.frame().allScopes();
|
||||
assertEquals(scopes.length, exec_state.frame().scopeCount());
|
||||
assertEquals(
|
||||
scopes.length, all_scopes.length, "FrameMirror.allScopes length");
|
||||
for (var i = 0; i < scopes.length; i++) {
|
||||
var scope = exec_state.frame().scope(i);
|
||||
assertTrue(scope.isScope());
|
||||
assertEquals(scopes[i], scope.scopeType());
|
||||
assertScopeMirrorEquals(all_scopes[i], scope);
|
||||
|
||||
// Check the global object when hitting the global scope.
|
||||
if (scopes[i] == debug.ScopeType.Global) {
|
||||
// Objects don't have same class (one is "global", other is "Object",
|
||||
// so just check the properties directly.
|
||||
assertPropertiesEqual(this, scope.scopeObject().value());
|
||||
}
|
||||
}
|
||||
CheckFastAllScopes(scopes, exec_state);
|
||||
|
||||
// Get the debug command processor.
|
||||
var dcp = exec_state.debugCommandProcessor("unspecified_running_state");
|
||||
|
||||
// Send a scopes request and check the result.
|
||||
var json;
|
||||
var request_json = '{"seq":0,"type":"request","command":"scopes"}';
|
||||
var response_json = dcp.processDebugJSONRequest(request_json);
|
||||
var response = JSON.parse(response_json);
|
||||
assertEquals(scopes.length, response.body.scopes.length);
|
||||
for (var i = 0; i < scopes.length; i++) {
|
||||
var scopeRef = response.body.scopes[i].object.ref;
|
||||
assertEquals(i, response.body.scopes[i].index);
|
||||
assertEquals(scopes[i], response.body.scopes[i].type);
|
||||
if (scopes[i] == debug.ScopeType.Local ||
|
||||
scopes[i] == debug.ScopeType.Script ||
|
||||
scopes[i] == debug.ScopeType.Closure) {
|
||||
assertTrue(response.body.scopes[i].object.ref < 0);
|
||||
} else {
|
||||
assertTrue(response.body.scopes[i].object.ref >= 0);
|
||||
}
|
||||
var found = false;
|
||||
for (var j = 0; j < response.refs.length && !found; j++) {
|
||||
found = response.refs[j].handle == response.body.scopes[i].object.ref;
|
||||
}
|
||||
assertTrue(found, `Scope object ${scopeRef} not found`);
|
||||
}
|
||||
}
|
||||
|
||||
// Check that the content of the scope is as expected. For functions just check
|
||||
// that there is a function.
|
||||
function CheckScopeContent(content, number, exec_state) {
|
||||
var scope = exec_state.frame().scope(number);
|
||||
var count = 0;
|
||||
for (var p in content) {
|
||||
var property_mirror = scope.scopeObject().property(p);
|
||||
assertFalse(property_mirror.isUndefined(),
|
||||
`property ${p} not found in scope`);
|
||||
if (typeof(content[p]) === 'function') {
|
||||
assertTrue(property_mirror.value().isFunction());
|
||||
} else {
|
||||
assertEquals(content[p], property_mirror.value().value(),
|
||||
`property ${p} has unexpected value`);
|
||||
}
|
||||
count++;
|
||||
}
|
||||
|
||||
// 'arguments' and might be exposed in the local and closure scope. Just
|
||||
// ignore this.
|
||||
var scope_size = scope.scopeObject().properties().length;
|
||||
if (!scope.scopeObject().property('arguments').isUndefined()) {
|
||||
scope_size--;
|
||||
}
|
||||
// Skip property with empty name.
|
||||
if (!scope.scopeObject().property('').isUndefined()) {
|
||||
scope_size--;
|
||||
}
|
||||
|
||||
if (count != scope_size) {
|
||||
print('Names found in scope:');
|
||||
var names = scope.scopeObject().propertyNames();
|
||||
for (var i = 0; i < names.length; i++) {
|
||||
print(names[i]);
|
||||
}
|
||||
}
|
||||
assertEquals(count, scope_size);
|
||||
|
||||
// Get the debug command processor.
|
||||
var dcp = exec_state.debugCommandProcessor("unspecified_running_state");
|
||||
|
||||
// Send a scope request for information on a single scope and check the
|
||||
// result.
|
||||
var request_json = `{
|
||||
"seq": 0,
|
||||
"type": "request",
|
||||
"command": "scope",
|
||||
"arguments": {
|
||||
"number": `;
|
||||
request_json += scope.scopeIndex();
|
||||
request_json += '}}';
|
||||
var response_json = dcp.processDebugJSONRequest(request_json);
|
||||
var response = JSON.parse(response_json);
|
||||
assertEquals(scope.scopeType(), response.body.type);
|
||||
assertEquals(number, response.body.index);
|
||||
if (scope.scopeType() == debug.ScopeType.Local ||
|
||||
scope.scopeType() == debug.ScopeType.Script ||
|
||||
scope.scopeType() == debug.ScopeType.Closure) {
|
||||
assertTrue(response.body.object.ref < 0);
|
||||
} else {
|
||||
assertTrue(response.body.object.ref >= 0);
|
||||
}
|
||||
var found = false;
|
||||
for (var i = 0; i < response.refs.length && !found; i++) {
|
||||
found = response.refs[i].handle == response.body.object.ref;
|
||||
}
|
||||
assertTrue(found, "Scope object " + response.body.object.ref + " not found");
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user