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Diffstat (limited to 'deps/v8/test/mjsunit/harmony/async-function-debug-scopes.js')
| -rw-r--r-- | deps/v8/test/mjsunit/harmony/async-function-debug-scopes.js | 616 |
1 files changed, 616 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/harmony/async-function-debug-scopes.js b/deps/v8/test/mjsunit/harmony/async-function-debug-scopes.js new file mode 100644 index 0000000000..3d72549d2a --- /dev/null +++ b/deps/v8/test/mjsunit/harmony/async-function-debug-scopes.js @@ -0,0 +1,616 @@ +// Copyright 2016 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. + +// Flags: --harmony-async-await --expose-debug-as debug + +var Debug = debug.Debug; + +var AsyncFunction = (async function() {}).constructor; + +async function thrower() { throw 'Exception'; } + +async function test(name, func, args, handler, continuation) { + var handler_called = false; + var exception = null; + + function listener(event, exec_state, event_data, data) { + try { + if (event == Debug.DebugEvent.Break) { + handler_called = true; + handler(exec_state); + } + } catch (e) { + exception = e; + } + } + + Debug.setListener(listener); + + var result; + if (typeof func === "object") + result = await func.method.apply(func, args); + else + result = await func.apply(null, args); + + if (typeof continuation === "function") { + await continuation(result); + } + + assertTrue(handler_called, `Expected ${name} handler to be called`); + if (exception) { + exception.message = `${name} / ${exception.message}`; + print(exception.stack); + quit(1); + } + + Debug.setListener(null); +} + +async function runTests() { + +// Simple +await test( + "(AsyncFunctionExpression) Local 1", + async function() { debugger; }, [], + exec_state => { + CheckScopeChain([debug.ScopeType.Local, + debug.ScopeType.Closure, + debug.ScopeType.Script, + debug.ScopeType.Global], exec_state); + CheckScopeContent({}, 0, exec_state); + }); + +await test( + "(AsyncFunctionExpression) Local 1 --- resume normal", + async function() { let z = await 2; debugger; }, [], + exec_state => { + CheckScopeChain([debug.ScopeType.Local, + debug.ScopeType.Closure, + debug.ScopeType.Script, + debug.ScopeType.Global], exec_state); + CheckScopeContent({z: 2}, 0, exec_state); + }); + +await test( + "(AsyncFunctionExpression) Local 1 --- resume throw", + async function() { let q = await 1; + try { let z = await thrower(); } + 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); + CheckScopeContent({q: 1}, 1, exec_state); + + }); + +// Simple With Parameter +await test( + "(AsyncFunctionExpression) Local 2", + async function(a) { debugger; }, [1], + exec_state => { + CheckScopeChain([debug.ScopeType.Local, + debug.ScopeType.Closure, + debug.ScopeType.Script, + debug.ScopeType.Global], exec_state); + CheckScopeContent({ a: 1 }, 0, exec_state); + }); + +await test( + "(AsyncFunctionExpression) Local 2 --- resume normal", + async function(a) { let z = await 2; debugger; }, [1], + exec_state => { + CheckScopeChain([debug.ScopeType.Local, + debug.ScopeType.Closure, + debug.ScopeType.Script, + debug.ScopeType.Global], exec_state); + CheckScopeContent({ a: 1, z: 2 }, 0, exec_state); + }); + +await test( + "(AsyncFunctionExpression) Local 2 --- resume throw", + async function(a) { let z = await 2; + try { await thrower(); } catch (e) { debugger; } }, [1], + 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); + CheckScopeContent({ a: 1, z: 2 }, 1, exec_state); + }); + +// Simple With Parameter and Variable +await test( + "(AsyncFunctionExpression) Local 3", + async function(a) { var b = 2; debugger; }, [1], + exec_state => { + CheckScopeChain([debug.ScopeType.Local, + debug.ScopeType.Closure, + debug.ScopeType.Script, + debug.ScopeType.Global], exec_state); + CheckScopeContent({ a: 1, b: 2 }, 0, exec_state); + }); + +await test( + "(AsyncFunctionExpression) Local 3 --- resume normal", + async function(a) { let y = await 3; var b = 2; let z = await 4; + debugger; }, [1], + exec_state => { + CheckScopeChain([debug.ScopeType.Local, + debug.ScopeType.Closure, + debug.ScopeType.Script, + debug.ScopeType.Global], exec_state); + CheckScopeContent({ a: 1, b: 2, y: 3, z: 4 }, 0, exec_state); + }); + +await test( + "(AsyncFunctionExpression) Local 3 --- resume throw", + async function(a) { let y = await 3; + try { var b = 2; let z = await thrower(); } + catch (e) { debugger; } }, [1], + 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); + CheckScopeContent({ a: 1, b: 2, y: 3 }, 1, exec_state); + }); + +// Local scope with parameters and local variables. +await test( + "(AsyncFunctionExpression) Local 4", + async function(a, b) { var x = 3; var y = 4; debugger; }, [1, 2], + exec_state => { + CheckScopeChain([debug.ScopeType.Local, + debug.ScopeType.Closure, + debug.ScopeType.Script, + debug.ScopeType.Global], exec_state); + CheckScopeContent({a:1,b:2,x:3,y:4}, 0, exec_state); + }); + +await test( + "(AsyncFunctionExpression) Local 4 --- resume normal", + async function(a, b) { let q = await 5; var x = 3; var y = 4; + let r = await 6; debugger; }, [1, 2], + exec_state => { + CheckScopeChain([debug.ScopeType.Local, + debug.ScopeType.Closure, + debug.ScopeType.Script, + debug.ScopeType.Global], exec_state); + CheckScopeContent({a:1,b:2,x:3,y:4, q: 5, r: 6}, 0, exec_state); + }); + +await test( + "(AsyncFunctionExpression) Local 4 --- resume throw", + async function(a, b) { let q = await 5; var x = 3; var y = 4; + try { let r = await thrower(); } + catch (e) { debugger; } }, [1, 2], + 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); + CheckScopeContent({a:1,b:2,x:3,y:4, q: 5}, 1, exec_state); + }); + +// Empty local scope with use of eval. +await test( + "(AsyncFunctionExpression) Local 5", + async function() { eval(""); debugger; }, [], + exec_state => { + CheckScopeChain([debug.ScopeType.Local, + debug.ScopeType.Closure, + debug.ScopeType.Script, + debug.ScopeType.Global], exec_state); + CheckScopeContent({}, 0, exec_state); + }); + +await test( + "(AsyncFunctionExpression) Local 5 --- resume normal", + async function() { let x = await 1; eval(""); let y = await 2; + debugger; }, [], + exec_state => { + CheckScopeChain([debug.ScopeType.Local, + debug.ScopeType.Closure, + debug.ScopeType.Script, + debug.ScopeType.Global], exec_state); + CheckScopeContent({ x: 1, y: 2 }, 0, exec_state); + }); + +await test( + "(AsyncFunctionExpression) Local 5 --- resume throw", + async function() { let x = await 1; eval(""); + try { let y = await thrower(); } + 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); + CheckScopeContent({ x: 1 }, 1, exec_state); + }); + +// Local introducing local variable using eval. +await test( + "(AsyncFunctionExpression) Local 6", + async function() { eval("var i = 5"); debugger; }, [], + exec_state => { + CheckScopeChain([debug.ScopeType.Local, + debug.ScopeType.Closure, + debug.ScopeType.Script, + debug.ScopeType.Global], exec_state); + CheckScopeContent({i:5}, 0, exec_state); + }); + +await test( + "(AsyncFunctionExpression) Local 6 --- resume normal", + async function() { let x = await 1; eval("var i = 5"); let y = await 2; + debugger; }, [], + exec_state => { + CheckScopeChain([debug.ScopeType.Local, + debug.ScopeType.Closure, + debug.ScopeType.Script, + debug.ScopeType.Global], exec_state); + CheckScopeContent({i:5, x: 1, y: 2}, 0, exec_state); + }); + +await test( + "(AsyncFunctionExpression) Local 6 --- resume throw", + async function() { let x = await 1; eval("var i = 5"); + try { let y = await thrower(); } + 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); + CheckScopeContent({i:5, x: 1}, 1, exec_state); + }); + +// Local scope with parameters, local variables and local variable introduced +// using eval. +await test( + "(AsyncFunctionExpression) Local 7", + async function(a, b) { var x = 3; var y = 4; + eval("var i = 5;"); eval("var j = 6"); + debugger; }, [1, 2], + exec_state => { + CheckScopeChain([debug.ScopeType.Local, + debug.ScopeType.Closure, + debug.ScopeType.Script, + debug.ScopeType.Global], exec_state); + CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6}, 0, exec_state); + }); + +await test( + "(AsyncFunctionExpression) Local 7 --- resume normal", + async function(a, b) { let z = await 7; var x = 3; var y = 4; + eval("var i = 5;"); eval("var j = 6"); + let q = await 8; + debugger; }, [1, 2], + exec_state => { + CheckScopeChain([debug.ScopeType.Local, + debug.ScopeType.Closure, + debug.ScopeType.Script, + debug.ScopeType.Global], exec_state); + CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6, z:7, q:8}, 0, exec_state); + }); + +await test( + "(AsyncFunctionExpression) Local 7 --- resume throw", + async function(a, b) { let z = await 7; var x = 3; var y = 4; + eval("var i = 5;"); eval("var j = 6"); + try { let q = await thrower(); } + catch (e) { debugger; } }, [1, 2], + 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); + //CheckScopeContent({a:1,b:2,x:3,y:4,i:5,j:6, z:7}, 1, exec_state); + }); + +// Nested empty with blocks. +await test( + "(AsyncFunctionExpression) With", + async function() { with ({}) { with ({}) { debugger; } } }, [], + exec_state => { + CheckScopeChain([debug.ScopeType.With, + debug.ScopeType.With, + debug.ScopeType.Local, + debug.ScopeType.Closure, + debug.ScopeType.Script, + debug.ScopeType.Global], exec_state); + CheckScopeContent({}, 0, exec_state); + CheckScopeContent({}, 1, exec_state); + }); + +await test( + "(AsyncFunctionExpression) With --- resume normal", + async function() { let x = await 1; with ({}) { with ({}) { + let y = await 2; debugger; } } }, [], + exec_state => { + CheckScopeChain([debug.ScopeType.Block, + debug.ScopeType.With, + debug.ScopeType.With, + debug.ScopeType.Local, + debug.ScopeType.Closure, + debug.ScopeType.Script, + debug.ScopeType.Global], exec_state); + CheckScopeContent({y:2}, 0, exec_state); + CheckScopeContent({}, 1, exec_state); + CheckScopeContent({}, 2, exec_state); + CheckScopeContent({x:1}, 3, exec_state); + }); + +await test( + "(AsyncFunctionExpression) With --- resume throw", + async function() { let x = await 1; with ({}) { with ({}) { + try { let y = await thrower(); } + catch (e) { debugger; } } } }, [], + exec_state => { + CheckScopeChain([debug.ScopeType.Catch, + debug.ScopeType.With, + debug.ScopeType.With, + debug.ScopeType.Local, + debug.ScopeType.Closure, + debug.ScopeType.Script, + debug.ScopeType.Global], exec_state); + CheckScopeContent({ e: 'Exception'}, 0, exec_state); + CheckScopeContent({}, 1, exec_state); + CheckScopeContent({}, 2, exec_state); + CheckScopeContent({x:1}, 3, exec_state); + }); + +// Simple closure formed by returning an inner function referering the outer +// functions arguments. +await test( + "(AsyncFunctionExpression) Closure 1", + async function(a) { 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}, 1, exec_state); + }, + result => result()); + +await test( + "(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( + "(AsyncFunctionExpression) Closure 1 --- resume throw", + async function(a) { let x = await 2; + return async function() { + 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, 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"); +} |