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// 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 --allow-natives-syntax
// Test the mirror object for scripts.
function testScriptMirror(f, file_name, file_lines, type, compilation_type,
source, eval_from_line) {
// Create mirror and JSON representation.
var mirror = debug.MakeMirror(f).script();
var serializer = debug.MakeMirrorSerializer();
var json = JSON.stringify(serializer.serializeValue(mirror));
// Check the mirror hierachy.
assertTrue(mirror instanceof debug.Mirror);
assertFalse(mirror instanceof debug.ValueMirror);
assertTrue(mirror instanceof debug.ScriptMirror);
// Check the mirror properties.
assertTrue(mirror.isScript());
assertEquals('script', mirror.type());
var name = mirror.name();
if (name) {
assertEquals(file_name, name.substring(name.length - file_name.length));
} else {
assertTrue(file_name === null);
}
assertEquals(0, mirror.lineOffset());
assertEquals(0, mirror.columnOffset());
if (file_lines > 0) {
assertEquals(file_lines, mirror.lineCount());
}
assertEquals(type, mirror.scriptType());
assertEquals(compilation_type, mirror.compilationType(), "compilation type");
if (source) {
assertEquals(source, mirror.source());
}
if (eval_from_line) {
assertEquals(eval_from_line, mirror.evalFromLocation().line);
}
// Parse JSON representation and check.
var fromJSON = JSON.parse(json);
assertEquals('script', fromJSON.type);
name = fromJSON.name;
if (name) {
assertEquals(file_name, name.substring(name.length - file_name.length));
} else {
assertTrue(file_name === null);
}
assertEquals(0, fromJSON.lineOffset);
assertEquals(0, fromJSON.columnOffset);
if (file_lines > 0) {
assertEquals(file_lines, fromJSON.lineCount);
}
assertEquals(type, fromJSON.scriptType);
assertEquals(compilation_type, fromJSON.compilationType);
}
// Test the script mirror for different functions.
testScriptMirror(function(){}, 'mirror-script.js', 99, 2, 0);
testScriptMirror(Math.abs, 'native math.js', -1, 0, 0);
testScriptMirror(eval('(function(){})'), null, 1, 2, 1, '(function(){})', 87);
testScriptMirror(eval('(function(){\n })'), null, 2, 2, 1, '(function(){\n })', 88);
// Test taking slices of source.
var mirror = debug.MakeMirror(eval('(function(){\n 1;\n})')).script();
assertEquals('(function(){\n', mirror.sourceSlice(0, 1).sourceText());
assertEquals(' 1;\n', mirror.sourceSlice(1, 2).sourceText());
assertEquals('})', mirror.sourceSlice(2, 3).sourceText());
assertEquals('(function(){\n 1;\n', mirror.sourceSlice(0, 2).sourceText());
assertEquals(' 1;\n})', mirror.sourceSlice(1, 3).sourceText());
assertEquals('(function(){\n 1;\n})', mirror.sourceSlice(0, 3).sourceText());
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