v8/test/mjsunit/debug-stepin-property-function-call.js
2014-09-24 14:52:13 +00:00

154 lines
4.0 KiB
JavaScript

// Copyright 2014 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 --nocrankshaft
// Get the Debug object exposed from the debug context global object.
Debug = debug.Debug
var exception = null;
var state = 1;
// Simple debug event handler which first time will cause 'step in' action
// to get into g.call and than check that execution is stopped inside
// function 'g'.
function listener(event, exec_state, event_data, data) {
try {
if (event == Debug.DebugEvent.Break) {
if (state == 1) {
exec_state.prepareStep(Debug.StepAction.StepIn, 3);
state = 2;
} else if (state == 2) {
assertTrue(event_data.sourceLineText().indexOf("Expected to step") > 0,
"source line: \"" + event_data.sourceLineText() + "\"");
state = 3;
}
}
} catch(e) {
print("Exception: " + e);
exception = e;
}
};
// Add the debug event listener.
Debug.setListener(listener);
var count = 0;
var obj = {
fun: function() {
++count;
return count; // Expected to step
}
};
obj.fun2 = obj.fun;
function testCall_Dots() {
debugger;
obj.fun();
}
function testCall_Quotes() {
debugger;
obj["fun"]();
}
function testCall_Call() {
debugger;
obj.fun.call(obj);
}
function testCall_Apply() {
debugger;
obj.fun.apply(obj);
}
function testCall_Variable() {
var functionName = "fun";
debugger;
obj[functionName]();
}
function testCall_Fun2() {
debugger;
obj.fun2();
}
function testCall_InternStrings() {
var cache = { "fun": "fun" };
var functionName = "fu" + "n";
debugger;
obj[cache[functionName]]();
}
function testCall_ViaFunRef() {
var functionName = "fu" + "n";
var funRef = obj[functionName];
debugger;
funRef();
}
// bug 2888
function testCall_RuntimeVariable1() {
var functionName = "fu" + "n";
debugger;
obj[functionName]();
}
// bug 2888
function testCall_RuntimeVariable2() {
var functionName = "un".replace(/u/, "fu");
debugger;
obj[functionName]();
}
// bug 2888
function testCall_RuntimeVariable3() {
var expr = "fu" + "n";
const functionName = expr;
assertEquals("fun", functionName);
debugger;
obj[functionName]();
}
var functionsCalled = 0;
for (var n in this) {
if (n.substr(0, 4) != 'test' || typeof this[n] !== "function") {
continue;
}
state = 1;
print("Running " + n + "...");
this[n]();
++functionsCalled;
assertNull(exception, n);
assertEquals(3, state, n);
assertEquals(functionsCalled, count, n);
}
assertEquals(11, functionsCalled);
// Get rid of the debug event listener.
Debug.setListener(null);