[V8] Added debug-sourceinfo.js with LF endings back

test/mjsunit/debug-sourceinfo.js

Index: test/mjsunit/debug-sourceinfo.js
diff --git a/test/mjsunit/debug-sourceinfo.js b/test/mjsunit/debug-sourceinfo.js
new file mode 100644
index 0000000000000000000000000000000000000000..2181b7d767d9a6314bbb0ba96d445bc2d4f742bf
--- /dev/null
+++ b/test/mjsunit/debug-sourceinfo.js
@@ -0,0 +1,351 @@
+// 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 = 13890;
+// This is the last line of entire file (note: starting at 0).
+var last_line = 350;
+// This is the last column of last line (note: starting at 0 and +1, due
+// to trailing <LF>).
+var last_column = 1;
+
+// 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 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 + 13, 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 + 13 + 1, script.locationFromLine(1, 1, 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 + 5, 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 10 offset function b().
+assertEquals(start_b + 5 + 10, script.locationFromLine(1, 10, start_b).position);
+assertEquals(2, script.locationFromLine(1, 10, start_b).line - comment_lines);
+assertEquals(10, script.locationFromLine(1, 10, start_b).column);
+
+// Test second line column 11 offset function b. Second line in b is 10 long
+// using column 11 wraps to next line.
+assertEquals(start_b + 5 + 11, script.locationFromLine(1, 11, start_b).position);
+assertEquals(3, script.locationFromLine(1, 11, start_b).line - comment_lines);
+assertEquals(0, script.locationFromLine(1, 11, 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(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 + 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());
+
+// Test that script.sourceLine(line) works.
+for (line = 0; line < num_lines_d; line++) {
+  var line_content_regexp = new RegExp("  x = " + (line + 1));
+  assertTrue(line_content_regexp.test(script.sourceLine(start_line_d + line)));
+}