[debugger] Further stepping support in test wrapper

test/mjsunit/debug-stepin-function-call.js

-// Copyright 2008 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-//       notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-//       copyright notice, this list of conditions and the following
-//       disclaimer in the documentation and/or other materials provided
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Flags: --expose-debug-as debug
-// Get the Debug object exposed from the debug context global object.
-Debug = debug.Debug
-
-var exception = null;
-var state = 0;
-
-// Simple debug event handler which first time will cause 'step in' action
-// to get into g.call and than check that execution is pauesed inside
-// function 'g'.
-function listener(event, exec_state, event_data, data) {
-  try {
-    if (event == Debug.DebugEvent.Break) {
-      if (state < 2) {
-        // Step into f2.call:
-        exec_state.prepareStep(Debug.StepAction.StepIn);
-        state++;
-      } else {
-        assertEquals('g', event_data.func().name());
-        assertEquals('  return t + 1; // expected line',
-                     event_data.sourceLineText());
-        state = 3;
-      }
-    }
-  } catch(e) {
-    exception = e;
-  }
-};
-
-// Add the debug event listener.
-Debug.setListener(listener);
-
-
-// Sample functions.
-function g(t) {
-  return t + 1; // expected line
-}
-
-// Test step into function call from a function without local variables.
-function call1() {
-  debugger;
-  g.call(null, 3);
-}
-
-
-// Test step into function call from a function with some local variables.
-function call2() {
-  var aLocalVar = 'test';
-  var anotherLocalVar  = g(aLocalVar) + 's';
-  var yetAnotherLocal = 10;
-  debugger;
-  g.call(null, 3);
-}
-
-// Test step into function call which is a part of an expression.
-function call3() {
-  var alias = g;
-  debugger;
-  var r = 10 + alias.call(null, 3);
-  var aLocalVar = 'test';
-  var anotherLocalVar  = g(aLocalVar) + 's';
-  var yetAnotherLocal = 10;
-}
-
-// Test step into function call from a function with some local variables.
-function call4() {
-  var alias = g;
-  debugger;
-  alias.call(null, 3);
-  var aLocalVar = 'test';
-  var anotherLocalVar  = g(aLocalVar) + 's';
-  var yetAnotherLocal = 10;
-}
-
-// Test step into function apply from a function without local variables.
-function apply1() {
-  debugger;
-  g.apply(null, [3]);
-}
-
-
-// Test step into function apply from a function with some local variables.
-function apply2() {
-  var aLocalVar = 'test';
-  var anotherLocalVar  = g(aLocalVar) + 's';
-  var yetAnotherLocal = 10;
-  debugger;
-  g.apply(null, [3, 4]);
-}
-
-// Test step into function apply which is a part of an expression.
-function apply3() {
-  var alias = g;
-  debugger;
-  var r = 10 + alias.apply(null, [3, 'unused arg']);
-  var aLocalVar = 'test';
-  var anotherLocalVar  = g(aLocalVar) + 's';
-  var yetAnotherLocal = 10;
-}
-
-// Test step into function apply from a function with some local variables.
-function apply4() {
-  var alias = g;
-  debugger;
-  alias.apply(null, [3]);
-  var aLocalVar = 'test';
-  var anotherLocalVar  = g(aLocalVar) + 's';
-  var yetAnotherLocal = 10;
-}
-
-// Test step into bound function.
-function bind1() {
-  var bound = g.bind(null, 3);
-  debugger;
-  bound();
-}
-
-// Test step into apply of bound function.
-function applyAndBind1() {
-  var bound = g.bind(null, 3);
-  debugger;
-  bound.apply(null, [3]);
-  var aLocalVar = 'test';
-  var anotherLocalVar  = g(aLocalVar) + 's';
-  var yetAnotherLocal = 10;
-}
-
-var testFunctions =
-    [call1, call2, call3, call4, apply1, apply2, apply3, apply4, bind1,
-    applyAndBind1];
-
-for (var i = 0; i < testFunctions.length; i++) {
-  state = 0;
-  testFunctions[i]();
-  assertNull(exception);
-  assertEquals(3, state);
-}
-
-// Test global bound function.
-state = 0;
-var globalBound = g.bind(null, 3);
-debugger;
-globalBound();
-assertNull(exception);
-assertEquals(3, state);
-
-// Get rid of the debug event listener.
-Debug.setListener(null);