// 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 | |
// For this test to work this file MUST have CR LF line endings. | |
function a() { b(); }; | |
function b() { | |
c(true); | |
}; | |
function c(x) { | |
if (x) { | |
return 1; | |
} else { | |
return 1; | |
} | |
}; | |
function d(x) { | |
x = 1 ; | |
x = 2 ; | |
x = 3 ; | |
x = 4 ; | |
x = 5 ; | |
x = 6 ; | |
x = 7 ; | |
x = 8 ; | |
x = 9 ; | |
x = 10; | |
x = 11; | |
x = 12; | |
x = 13; | |
x = 14; | |
x = 15; | |
} | |
// Get the Debug object exposed from the debug context global object. | |
Debug = debug.Debug | |
// This is the number of comment lines above the first test function. | |
var comment_lines = 29; | |
// This is the last position in the entire file (note: this equals | |
// file size of <debug-sourceinfo.js> - 1, since starting at 0). | |
var last_position = 14072; | |
// This is the last line of entire file (note: starting at 0). | |
var last_line = 345; | |
// This is the last column of last line (note: starting at 0 and +2, due | |
// to trailing <CR><LF>). | |
var last_column = 48; | |
// This magic number is the length or the first line comment (actually number | |
// of characters before 'function a(...'. | |
var comment_line_length = 1726; | |
var start_a = 10 + comment_line_length; | |
var start_b = 37 + comment_line_length; | |
var start_c = 71 + comment_line_length; | |
var start_d = 163 + comment_line_length; | |
// The position of the first line of d(), i.e. "x = 1 ;". | |
var start_code_d = start_d + 7; | |
// The line # of the first line of d() (note: starting at 0). | |
var start_line_d = 41; | |
var line_length_d = 11; | |
var num_lines_d = 15; | |
assertEquals(start_a, Debug.sourcePosition(a)); | |
assertEquals(start_b, Debug.sourcePosition(b)); | |
assertEquals(start_c, Debug.sourcePosition(c)); | |
assertEquals(start_d, Debug.sourcePosition(d)); | |
var script = Debug.findScript(a); | |
assertTrue(script.data === Debug.findScript(b).data); | |
assertTrue(script.data === Debug.findScript(c).data); | |
assertTrue(script.data === Debug.findScript(d).data); | |
assertTrue(script.source === Debug.findScript(b).source); | |
assertTrue(script.source === Debug.findScript(c).source); | |
assertTrue(script.source === Debug.findScript(d).source); | |
// Test that when running through source positions the position, line and | |
// column progresses as expected. | |
var position; | |
var line; | |
var column; | |
for (var p = 0; p < 100; p++) { | |
var location = script.locationFromPosition(p); | |
if (p > 0) { | |
assertEquals(position + 1, location.position); | |
if (line == location.line) { | |
assertEquals(column + 1, location.column); | |
} else { | |
assertEquals(line + 1, location.line); | |
assertEquals(0, location.column); | |
} | |
} else { | |
assertEquals(0, location.position); | |
assertEquals(0, location.line); | |
assertEquals(0, location.column); | |
} | |
// Remember the location. | |
position = location.position; | |
line = location.line; | |
column = location.column; | |
} | |
// Every line of d() is the same length. Verify we can loop through all | |
// positions and find the right line # for each. | |
var p = start_code_d; | |
for (line = 0; line < num_lines_d; line++) { | |
for (column = 0; column < line_length_d; column++) { | |
var location = script.locationFromPosition(p); | |
assertEquals(p, location.position); | |
assertEquals(start_line_d + line, location.line); | |
assertEquals(column, location.column); | |
p++; | |
} | |
} | |
// Test first position. | |
assertEquals(0, script.locationFromPosition(0).position); | |
assertEquals(0, script.locationFromPosition(0).line); | |
assertEquals(0, script.locationFromPosition(0).column); | |
// Test second position. | |
assertEquals(1, script.locationFromPosition(1).position); | |
assertEquals(0, script.locationFromPosition(1).line); | |
assertEquals(1, script.locationFromPosition(1).column); | |
// Test first position in function a(). | |
assertEquals(start_a, script.locationFromPosition(start_a).position); | |
assertEquals(0, script.locationFromPosition(start_a).line - comment_lines); | |
assertEquals(10, script.locationFromPosition(start_a).column); | |
// Test first position in function b(). | |
assertEquals(start_b, script.locationFromPosition(start_b).position); | |
assertEquals(1, script.locationFromPosition(start_b).line - comment_lines); | |
assertEquals(13, script.locationFromPosition(start_b).column); | |
// Test first position in function c(). | |
assertEquals(start_c, script.locationFromPosition(start_c).position); | |
assertEquals(4, script.locationFromPosition(start_c).line - comment_lines); | |
assertEquals(12, script.locationFromPosition(start_c).column); | |
// Test first position in function d(). | |
assertEquals(start_d, script.locationFromPosition(start_d).position); | |
assertEquals(11, script.locationFromPosition(start_d).line - comment_lines); | |
assertEquals(10, script.locationFromPosition(start_d).column); | |
// Test first line. | |
assertEquals(0, script.locationFromLine().position); | |
assertEquals(0, script.locationFromLine().line); | |
assertEquals(0, script.locationFromLine().column); | |
assertEquals(0, script.locationFromLine(0).position); | |
assertEquals(0, script.locationFromLine(0).line); | |
assertEquals(0, script.locationFromLine(0).column); | |
// Test first line column 1. | |
assertEquals(1, script.locationFromLine(0, 1).position); | |
assertEquals(0, script.locationFromLine(0, 1).line); | |
assertEquals(1, script.locationFromLine(0, 1).column); | |
// Test first line offset 1. | |
assertEquals(1, script.locationFromLine(0, 0, 1).position); | |
assertEquals(0, script.locationFromLine(0, 0, 1).line); | |
assertEquals(1, script.locationFromLine(0, 0, 1).column); | |
// Test offset function a(). | |
assertEquals(start_a, script.locationFromLine(void 0, void 0, start_a).position); | |
assertEquals(0, script.locationFromLine(void 0, void 0, start_a).line - comment_lines); | |
assertEquals(10, script.locationFromLine(void 0, void 0, start_a).column); | |
assertEquals(start_a, script.locationFromLine(0, void 0, start_a).position); | |
assertEquals(0, script.locationFromLine(0, void 0, start_a).line - comment_lines); | |
assertEquals(10, script.locationFromLine(0, void 0, start_a).column); | |
assertEquals(start_a, script.locationFromLine(0, 0, start_a).position); | |
assertEquals(0, script.locationFromLine(0, 0, start_a).line - comment_lines); | |
assertEquals(10, script.locationFromLine(0, 0, start_a).column); | |
// Test second line offset function a(). | |
assertEquals(start_a + 14, script.locationFromLine(1, 0, start_a).position); | |
assertEquals(1, script.locationFromLine(1, 0, start_a).line - comment_lines); | |
assertEquals(0, script.locationFromLine(1, 0, start_a).column); | |
// Test second line column 2 offset function a(). | |
assertEquals(start_a + 14 + 2, script.locationFromLine(1, 2, start_a).position); | |
assertEquals(1, script.locationFromLine(1, 2, start_a).line - comment_lines); | |
assertEquals(2, script.locationFromLine(1, 2, start_a).column); | |
// Test offset function b(). | |
assertEquals(start_b, script.locationFromLine(0, 0, start_b).position); | |
assertEquals(1, script.locationFromLine(0, 0, start_b).line - comment_lines); | |
assertEquals(13, script.locationFromLine(0, 0, start_b).column); | |
// Test second line offset function b(). | |
assertEquals(start_b + 6, script.locationFromLine(1, 0, start_b).position); | |
assertEquals(2, script.locationFromLine(1, 0, start_b).line - comment_lines); | |
assertEquals(0, script.locationFromLine(1, 0, start_b).column); | |
// Test second line column 11 offset function b(). | |
assertEquals(start_b + 6 + 11, script.locationFromLine(1, 11, start_b).position); | |
assertEquals(2, script.locationFromLine(1, 11, start_b).line - comment_lines); | |
assertEquals(11, script.locationFromLine(1, 11, start_b).column); | |
// Test second line column 12 offset function b. Second line in b is 11 long | |
// using column 12 wraps to next line. | |
assertEquals(start_b + 6 + 12, script.locationFromLine(1, 12, start_b).position); | |
assertEquals(3, script.locationFromLine(1, 12, start_b).line - comment_lines); | |
assertEquals(0, script.locationFromLine(1, 12, start_b).column); | |
// Test the Debug.findSourcePosition which wraps SourceManager. | |
assertEquals(0 + start_a, Debug.findFunctionSourceLocation(a, 0, 0).position); | |
assertEquals(0 + start_b, Debug.findFunctionSourceLocation(b, 0, 0).position); | |
assertEquals(6 + start_b, Debug.findFunctionSourceLocation(b, 1, 0).position); | |
assertEquals(8 + start_b, Debug.findFunctionSourceLocation(b, 1, 2).position); | |
assertEquals(18 + start_b, Debug.findFunctionSourceLocation(b, 2, 0).position); | |
assertEquals(0 + start_c, Debug.findFunctionSourceLocation(c, 0, 0).position); | |
assertEquals(7 + start_c, Debug.findFunctionSourceLocation(c, 1, 0).position); | |
assertEquals(21 + start_c, Debug.findFunctionSourceLocation(c, 2, 0).position); | |
assertEquals(38 + start_c, Debug.findFunctionSourceLocation(c, 3, 0).position); | |
assertEquals(52 + start_c, Debug.findFunctionSourceLocation(c, 4, 0).position); | |
assertEquals(69 + start_c, Debug.findFunctionSourceLocation(c, 5, 0).position); | |
assertEquals(76 + start_c, Debug.findFunctionSourceLocation(c, 6, 0).position); | |
assertEquals(0 + start_d, Debug.findFunctionSourceLocation(d, 0, 0).position); | |
assertEquals(7 + start_d, Debug.findFunctionSourceLocation(d, 1, 0).position); | |
for (i = 1; i <= num_lines_d; i++) { | |
assertEquals(7 + (i * line_length_d) + start_d, Debug.findFunctionSourceLocation(d, (i + 1), 0).position); | |
} | |
assertEquals(175 + start_d, Debug.findFunctionSourceLocation(d, 17, 0).position); | |
// Make sure invalid inputs work properly. | |
assertEquals(0, script.locationFromPosition(-1).line); | |
assertEquals(null, script.locationFromPosition(last_position + 1)); | |
// Test last position. | |
assertEquals(last_position, script.locationFromPosition(last_position).position); | |
assertEquals(last_line, script.locationFromPosition(last_position).line); | |
assertEquals(last_column, script.locationFromPosition(last_position).column); | |
// Test source line and restriction. All the following tests start from line 1 | |
// column 2 in function b, which is the call to c. | |
// c(true); | |
// ^ | |
var location; | |
location = script.locationFromLine(1, 0, start_b); | |
assertEquals(' c(true);', location.sourceText()); | |
result = ['c', ' c', ' c(', ' c(', ' c(t'] | |
for (var i = 1; i <= 5; i++) { | |
location = script.locationFromLine(1, 2, start_b); | |
location.restrict(i); | |
assertEquals(result[i - 1], location.sourceText()); | |
} | |
location = script.locationFromLine(1, 2, start_b); | |
location.restrict(1, 0); | |
assertEquals('c', location.sourceText()); | |
location = script.locationFromLine(1, 2, start_b); | |
location.restrict(2, 0); | |
assertEquals('c(', location.sourceText()); | |
location = script.locationFromLine(1, 2, start_b); | |
location.restrict(2, 1); | |
assertEquals(' c', location.sourceText()); | |
location = script.locationFromLine(1, 2, start_b); | |
location.restrict(2, 2); | |
assertEquals(' c', location.sourceText()); | |
location = script.locationFromLine(1, 2, start_b); | |
location.restrict(2, 3); | |
assertEquals(' c', location.sourceText()); | |
location = script.locationFromLine(1, 2, start_b); | |
location.restrict(3, 1); | |
assertEquals(' c(', location.sourceText()); | |
location = script.locationFromLine(1, 2, start_b); | |
location.restrict(5, 0); | |
assertEquals('c(tru', location.sourceText()); | |
location = script.locationFromLine(1, 2, start_b); | |
location.restrict(5, 2); | |
assertEquals(' c(t', location.sourceText()); | |
location = script.locationFromLine(1, 2, start_b); | |
location.restrict(5, 4); | |
assertEquals(' c(t', location.sourceText()); | |
// All the following tests start from line 1 column 10 in function b, which is | |
// the final character. | |
// c(true); | |
// ^ | |
location = script.locationFromLine(1, 10, start_b); | |
location.restrict(5, 0); | |
assertEquals('rue);', location.sourceText()); | |
location = script.locationFromLine(1, 10, start_b); | |
location.restrict(7, 0); | |
assertEquals('(true);', location.sourceText()); | |
// All the following tests start from line 1 column 0 in function b, which is | |
// the first character. | |
// c(true); | |
//^ | |
location = script.locationFromLine(1, 0, start_b); | |
location.restrict(5, 0); | |
assertEquals(' c(t', location.sourceText()); | |
location = script.locationFromLine(1, 0, start_b); | |
location.restrict(5, 4); | |
assertEquals(' c(t', location.sourceText()); | |
location = script.locationFromLine(1, 0, start_b); | |
location.restrict(7, 0); | |
assertEquals(' c(tru', location.sourceText()); | |
location = script.locationFromLine(1, 0, start_b); | |
location.restrict(7, 6); | |
assertEquals(' c(tru', location.sourceText()); |