Move V8 to external/v8

Change-Id: If68025d67453785a651c5dfb34fad298c16676a4
diff --git a/test/mjsunit/debug-sourceslice.js b/test/mjsunit/debug-sourceslice.js
new file mode 100644
index 0000000..db9a3e7
--- /dev/null
+++ b/test/mjsunit/debug-sourceslice.js
@@ -0,0 +1,74 @@
+// 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
+// Source lines for test.
+var lines = [ 'function a() { b(); };\n',
+              'function    b() {\n',
+              '  c(true);\n',
+              '};\n',
+              '  function c(x) {\n',
+              '    if (x) {\n',
+              '      return 1;\n',
+              '    } else {\n',
+              '      return 1;\n',
+              '    }\n',
+              '  };\n' ];
+
+// Build source by putting all lines together
+var source = '';
+for (var i = 0; i < lines.length; i++) {
+  source += lines[i];
+}
+eval(source);
+
+// Flags: --expose-debug-as debug
+// Get the Debug object exposed from the debug context global object.
+Debug = debug.Debug
+
+// Get the script object from one of the functions in the source.
+var script = Debug.findScript(a);
+
+// Make sure that the source is as expected.
+assertEquals(source, script.source);
+assertEquals(source, script.sourceSlice().sourceText());
+
+// Try all possible line interval slices.
+for (var slice_size = 0; slice_size < lines.length; slice_size++) {
+  for (var n = 0; n < lines.length - slice_size; n++) {
+    var slice = script.sourceSlice(n, n + slice_size);
+    assertEquals(n, slice.from_line);
+    assertEquals(n + slice_size, slice.to_line);
+
+    var text = slice.sourceText();
+    var expected = '';
+    for (var i = 0; i < slice_size; i++) {
+      expected += lines[n + i];
+    }
+    assertEquals(expected, text);
+  }
+}