[debug-wrapper] Conditional breaks, locals, evaluate, scopes

test/mjsunit/regress/regress-opt-after-debug-deopt.js

-// Copyright 2013 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 --allow-natives-syntax
-// Flags: --concurrent-recompilation --block-concurrent-recompilation
-
-if (!%IsConcurrentRecompilationSupported()) {
-  print("Concurrent recompilation is disabled. Skipping this test.");
-  quit();
-}
-
-Debug = debug.Debug;
-
-function listener(event, exec_state, event_data, data) {
-  if (event != Debug.DebugEvent.Break) return;
-  try {
-    assertEquals("foo", exec_state.frame(0).evaluate("a").value());
-  } catch (e) {
-    exception = e;
-  };
-  listened++;
-};
-
-var exception = null;
-var listened = 0;
-
-var f = function() {
-  var a = "foo";
-  var b = a.substring("1");
-  [a, b].sort();
-  return a;
-}
-
-f();
-f();
-%OptimizeFunctionOnNextCall(f, "concurrent");  // Mark with builtin.
-f();                           // Kick off concurrent recompilation.
-
-// After compile graph has been created...
-Debug.setListener(listener);   // Activate debugger.
-Debug.setBreakPoint(f, 2, 0);  // Force deopt.
-
-// At this point, concurrent recompilation is still being blocked.
-assertUnoptimized(f, "no sync");
-// Let concurrent recompilation proceed.
-%UnblockConcurrentRecompilation();
-// Sync with optimization thread.  But no optimized code is installed.
-assertUnoptimized(f, "sync");
-
-f();                           // Trigger break point.
-assertEquals(1, listened);
-assertNull(exception);