Merge V8 5.3.332.45. DO NOT MERGE
Test: Manual
FPIIM-449
Change-Id: Id3254828b068abdea3cb10442e0172a8c9a98e03
(cherry picked from commit 13e2dadd00298019ed862f2b2fc5068bba730bcf)
diff --git a/test/mjsunit/harmony/async-function-debug-scopes.js b/test/mjsunit/harmony/async-function-debug-scopes.js
new file mode 100644
index 0000000..3d72549
--- /dev/null
+++ b/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");
+}