[debug-wrapper] clearAllBreakPoints and several scripts functions

test/mjsunit/debug-sourceinfo.js

-// 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
-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 = 28;
-
-// 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 = 8126;
-// This is the last line of entire file (note: starting at 0).
-var last_line = 200;
-// This is the last column of last line (note: starting at 0).
-var last_column = 71;
-
-// This magic number is the length or the first line comment (actually number
-// of characters before 'function a(...'.
-var comment_line_length = 1633;
-var start_a = 9 + comment_line_length;
-var start_b = 35 + comment_line_length;
-var start_c = 66 + comment_line_length;
-var start_d = 151 + comment_line_length;
-
-// The position of the first line of d(), i.e. "x = 1 ;".
-var start_code_d = start_d + 6;
-// The line # of the first line of d() (note: starting at 0).
-var start_line_d = 40;
-var line_length_d = 10;
-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 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(5 + start_b, Debug.findFunctionSourceLocation(b, 1, 0).position);
-assertEquals(7 + start_b, Debug.findFunctionSourceLocation(b, 1, 2).position);
-assertEquals(16 + start_b, Debug.findFunctionSourceLocation(b, 2, 0).position);
-assertEquals(0 + start_c, Debug.findFunctionSourceLocation(c, 0, 0).position);
-assertEquals(6 + start_c, Debug.findFunctionSourceLocation(c, 1, 0).position);
-assertEquals(19 + start_c, Debug.findFunctionSourceLocation(c, 2, 0).position);
-assertEquals(35 + start_c, Debug.findFunctionSourceLocation(c, 3, 0).position);
-assertEquals(48 + start_c, Debug.findFunctionSourceLocation(c, 4, 0).position);
-assertEquals(64 + start_c, Debug.findFunctionSourceLocation(c, 5, 0).position);
-assertEquals(70 + start_c, Debug.findFunctionSourceLocation(c, 6, 0).position);
-assertEquals(0 + start_d, Debug.findFunctionSourceLocation(d, 0, 0).position);
-assertEquals(6 + start_d, Debug.findFunctionSourceLocation(d, 1, 0).position);
-for (i = 1; i <= num_lines_d; i++) {
-  assertEquals(6 + (i * line_length_d) + start_d,
-               Debug.findFunctionSourceLocation(d, (i + 1), 0).position);
-}
-assertEquals(158 + 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 + 2));
-
-// 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);
-assertEquals(last_line + 1,
-             script.locationFromPosition(last_position + 1).line);
-assertEquals(0, script.locationFromPosition(last_position + 1).column);