LiveEdit: breakpoints updates and fixes for related problems

test/mjsunit/debug-liveedit-utils.js

Index: test/mjsunit/debug-liveedit-utils.js
diff --git a/test/mjsunit/debug-liveedit-utils.js b/test/mjsunit/debug-liveedit-utils.js
new file mode 100644
index 0000000000000000000000000000000000000000..c892ec9ae6f2cef93e82d1527544fd6e7a0a27db
--- /dev/null
+++ b/test/mjsunit/debug-liveedit-utils.js
@@ -0,0 +1,97 @@
+// 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
+
+function Return2010() {
+  return 2010;
+}
+
+
+// Diff it trivial: zero chunks
+var NoChunkTranslator = new Debug.LiveEdit.TestApi.PosTranslator([]);
+
+assertEquals(0, NoChunkTranslator.Translate(0));
+assertEquals(10, NoChunkTranslator.Translate(10));
+
+
+// Diff has one chunk
+var SingleChunkTranslator = new Debug.LiveEdit.TestApi.PosTranslator([20, 30, 25]);
+
+assertEquals(0, SingleChunkTranslator.Translate(0));
+assertEquals(5, SingleChunkTranslator.Translate(5));
+assertEquals(10, SingleChunkTranslator.Translate(10));
+assertEquals(19, SingleChunkTranslator.Translate(19));
+assertEquals(2010, SingleChunkTranslator.Translate(20, Return2010));
+assertEquals(25, SingleChunkTranslator.Translate(30));
+assertEquals(26, SingleChunkTranslator.Translate(31));
+assertEquals(2010, SingleChunkTranslator.Translate(26, Return2010));
+
+try {
+  SingleChunkTranslator.Translate(21);
+  assertTrue(false);
+} catch (ignore) {
+}
+try {
+  SingleChunkTranslator.Translate(24);
+  assertTrue(false);
+} catch (ignore) {
+}
+
+
+// Diff has several chunk (3). See the table below.
+
+/*
+chunks: (new <- old)
+ 10   10
+ 15   20
+
+ 35   40
+ 50   40
+
+ 70   60
+ 70   70
+*/
+
+var MultiChunkTranslator = new Debug.LiveEdit.TestApi.PosTranslator([10, 20, 15, 40, 40, 50, 60, 70, 70 ]);
+assertEquals(5, MultiChunkTranslator.Translate(5));
+assertEquals(9, MultiChunkTranslator.Translate(9));
+assertEquals(2010, MultiChunkTranslator.Translate(10, Return2010));
+assertEquals(15, MultiChunkTranslator.Translate(20));
+assertEquals(20, MultiChunkTranslator.Translate(25));
+assertEquals(34, MultiChunkTranslator.Translate(39));
+assertEquals(50, MultiChunkTranslator.Translate(40, Return2010));
+assertEquals(55, MultiChunkTranslator.Translate(45));
+assertEquals(69, MultiChunkTranslator.Translate(59));
+assertEquals(2010, MultiChunkTranslator.Translate(60, Return2010));
+assertEquals(70, MultiChunkTranslator.Translate(70));
+assertEquals(75, MultiChunkTranslator.Translate(75));
+
+