v8/test/mjsunit/regress/regress-crbug-171715.js
2015-06-15 09:43:11 +00:00

88 lines
3.4 KiB
JavaScript

// Copyright 2013 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
Debug = debug.Debug
var error = null;
var test = 0;
function check_v(expected, exec_state, frame_id) {
assertEquals(expected, exec_state.frame(frame_id).evaluate('v').value());
}
function listener(event, exec_state, event_data, data) {
try {
if (event != Debug.DebugEvent.Break) return;
test++;
if (test == 1) {
check_v('inner0', exec_state, 0);
check_v('inner0', exec_state, 1);
check_v('outer', exec_state, 2);
assertArrayEquals(["a", "b", "c"],
exec_state.frame(0).evaluate('arguments').value());
} else if (test == 2) {
check_v('inner1', exec_state, 0);
check_v('inner1', exec_state, 1);
check_v('outer', exec_state, 2);
assertArrayEquals(["a", "b", "c"],
exec_state.frame(0).evaluate('arguments').value());
} else {
assertEquals(3, test);
check_v('inner2', exec_state, 0);
check_v('inner1', exec_state, 1);
check_v('inner1', exec_state, 2);
check_v('outer', exec_state, 3);
assertArrayEquals(["x", "y", "z"],
exec_state.frame(0).evaluate('arguments').value());
assertArrayEquals(["a", "b", "c"],
exec_state.frame(1).evaluate('arguments').value());
}
} catch (e) {
error = e;
}
};
Debug.setListener(listener);
var v = 'outer';
(function() { // Test 1 and 2
var v = 'inner0';
eval("debugger; var v = 'inner1'; debugger;");
assertEquals('inner1', v); // Overwritten by local eval.
})("a", "b", "c");
assertNull(error);
(function() { // Test 3
var v = 'inner0'; // Local eval overwrites this value.
eval("var v = 'inner1'; " +
"(function() { var v = 'inner2'; debugger; })('x', 'y', 'z');");
assertEquals('inner1', v); // Overwritten by local eval.
})("a", "b", "c");
assertNull(error);