v8/test/mjsunit/debug-liveedit-breakpoints.js
yangguo 75350f1ef0 Debugger: require debugger to be active when dealing with breaks.
This invariant will save us some head ache.
The changes to test-debug/DebugStub is due to the fact that it abuses
the ability to set break points in code that has no debug break slots.
This is now no longer possible.

R=ulan@chromium.org
BUG=v8:4132
LOG=N

Review URL: https://codereview.chromium.org/1181013007

Cr-Commit-Position: refs/heads/master@{#29038}
2015-06-16 07:11:21 +00:00

116 lines
4.0 KiB
JavaScript

// Copyright 2010 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
Debug.setListener(function(){});
var function_z_text =
" function Z() {\n"
+ " return 'Z';\n" // Breakpoint line ( #6 )
+ " }\n";
eval(
"function F25() {\n"
+ " return 25;\n" // Breakpoint line ( #1 )
+ "}\n"
+ "function F26 () {\n"
+ " var x = 20;\n"
+ function_z_text // function takes exactly 3 lines
// // Breakpoint line ( #6 )
//
+ " var y = 6;\n"
+ " return x + y;\n"
+ "}\n"
+ "function Nested() {\n"
+ " var a = 30;\n"
+ " return function F27() {\n"
+ " var b = 3;\n" // Breakpoint line ( #14 )
+ " return a - b;\n"
+ " }\n"
+ "}\n"
);
assertEquals(25, F25());
assertEquals(26, F26());
var script = Debug.findScript(F25);
assertEquals(0, Debug.scriptBreakPoints().length);
Debug.setScriptBreakPoint(Debug.ScriptBreakPointType.ScriptId, script.id, 1, 1, "true || false || false");
Debug.setScriptBreakPoint(Debug.ScriptBreakPointType.ScriptId, script.id, 6, 1, "true || false || false");
Debug.setScriptBreakPoint(Debug.ScriptBreakPointType.ScriptId, script.id, 14, 1, "true || false || false");
assertEquals(3, Debug.scriptBreakPoints().length);
var new_source = script.source.replace(function_z_text, "");
print("new source: " + new_source);
var change_log = new Array();
var result = Debug.LiveEdit.SetScriptSource(script, new_source, false, change_log);
print("Result: " + JSON.stringify(result) + "\n");
print("Change log: " + JSON.stringify(change_log) + "\n");
var breaks = Debug.scriptBreakPoints();
// One breakpoint gets duplicated in a old version of script.
assertTrue(breaks.length > 3 + 1);
var breakpoints_in_script = 0;
var break_position_map = {};
for (var i = 0; i < breaks.length; i++) {
if (breaks[i].script_id() == script.id) {
break_position_map[breaks[i].line()] = true;
breakpoints_in_script++;
}
}
assertEquals(3, breakpoints_in_script);
// Check 2 breakpoints. The one in deleted function should have been moved somewhere.
assertTrue(break_position_map[1]);
assertTrue(break_position_map[11]);
// Delete all breakpoints to make this test reentrant.
var breaks = Debug.scriptBreakPoints();
var breaks_ids = [];
for (var i = 0; i < breaks.length; i++) {
breaks_ids.push(breaks[i].number());
}
for (var i = 0; i < breaks_ids.length; i++) {
Debug.clearBreakPoint(breaks_ids[i]);
}
assertEquals(0, Debug.scriptBreakPoints().length);
Debug.setListener(null);