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// Copyright 2012 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
// Test stepping into callbacks passed to builtin functions.
Debug = debug.Debug
var exception = null;
function array_listener(event, exec_state, event_data, data) {
try {
if (event == Debug.DebugEvent.Break) {
print(event_data.sourceLineText(), breaks);
assertTrue(event_data.sourceLineText().indexOf(`B${breaks++}`) > 0);
exec_state.prepareStep(Debug.StepAction.StepIn);
}
} catch (e) {
print(e);
quit();
exception = e;
}
};
function cb_false(num) {
print("element " + num); // B2 B5 B8
return false; // B3 B6 B9
} // B4 B7 B10
function cb_true(num) {
print("element " + num); // B2 B5 B8
return true; // B3 B6 B9
} // B4 B7 B10
function cb_reduce(a, b) {
print("elements " + a + " and " + b); // B2 B5
return a + b; // B3 B6
} // B4 B7
var a = [1, 2, 3];
var breaks = 0;
Debug.setListener(array_listener);
debugger; // B0
a.forEach(cb_true); // B1
Debug.setListener(null); // B11
assertNull(exception);
assertEquals(12, breaks);
breaks = 0;
Debug.setListener(array_listener);
debugger; // B0
a.some(cb_false); // B1
Debug.setListener(null); // B11
assertNull(exception);
assertEquals(12, breaks);
breaks = 0;
Debug.setListener(array_listener);
debugger; // B0
a.every(cb_true); // B1
Debug.setListener(null); // B11
assertNull(exception);
assertEquals(12, breaks);
breaks = 0;
Debug.setListener(array_listener);
debugger; // B0
a.map(cb_true); // B1
Debug.setListener(null); // B11
assertNull(exception);
assertEquals(12, breaks);
breaks = 0;
Debug.setListener(array_listener);
debugger; // B0
a.filter(cb_true); // B1
Debug.setListener(null); // B11
assertNull(exception);
assertEquals(12, breaks);
breaks = 0;
Debug.setListener(array_listener);
debugger; // B0
a.reduce(cb_reduce); // B1
Debug.setListener(null); // B8
assertNull(exception);
assertEquals(9, breaks);
breaks = 0;
Debug.setListener(array_listener);
debugger; // B0
a.reduceRight(cb_reduce); // B1
Debug.setListener(null); // B8
assertNull(exception);
assertEquals(9, breaks);
// Test two levels of builtin callbacks:
// Array.forEach calls a callback function, which by itself uses
// Array.forEach with another callback function.
function cb_true_2(num) {
print("element " + num); // B3 B6 B9 B15 B18 B21 B27 B30 B33
return true; // B4 B7 B10 B16 B19 B22 B28 B31 B34
} // B5 B8 B11 B17 B20 B23 B29 B32 B35
function cb_foreach(num) {
a.forEach(cb_true_2); // B2 B14 B20 B26
print("back."); // B12 B18 B24 B36
} // B13 B19 B25 B37
breaks = 0;
Debug.setListener(array_listener);
debugger; // B0
a.forEach(cb_foreach); // B1
Debug.setListener(null); // B38
assertNull(exception);
assertEquals(39, breaks);
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