[debug-wrapper] migrate some scope related tests

test/mjsunit/harmony/async-function-debug-scopes.js

-// 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;
-
-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);
-}
-
-// 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);
-}