[debug-wrapper] Further extend the debug wrapper

test/mjsunit/debug-enable-disable-breakpoints.js

-// Copyright 2008 the V8 project authors. All rights reserved.
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-// modification, are permitted provided that the following conditions are
-// met:
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-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
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-// 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
-
-// Simple debug event handler which just counts the number of break points hit.
-var break_point_hit_count;
-
-function listener(event, exec_state, event_data, data) {
-  if (event == Debug.DebugEvent.Break) {
-    break_point_hit_count++;
-  }
-};
-
-// Add the debug event listener.
-Debug.setListener(listener);
-
-// Test function.
-function f() {a=1;b=2;};
-
-// This tests enabeling and disabling of break points including the case
-// with several break points in the same location.
-break_point_hit_count = 0;
-
-// Set a breakpoint in f.
-bp1 = Debug.setBreakPoint(f);
-f();
-assertEquals(1, break_point_hit_count);
-
-// Disable the breakpoint.
-Debug.disableBreakPoint(bp1);
-f();
-assertEquals(1, break_point_hit_count);
-
-// Enable the breakpoint.
-Debug.enableBreakPoint(bp1);
-f();
-assertEquals(2, break_point_hit_count);
-
-// Set another breakpoint in f at the same place.
-bp2 = Debug.setBreakPoint(f);
-f();
-assertEquals(3, break_point_hit_count);
-
-// Disable the second breakpoint.
-Debug.disableBreakPoint(bp2);
-f();
-assertEquals(4, break_point_hit_count);
-
-// Disable the first breakpoint.
-Debug.disableBreakPoint(bp1);
-f();
-assertEquals(4, break_point_hit_count);
-
-// Enable both breakpoints.
-Debug.enableBreakPoint(bp1);
-Debug.enableBreakPoint(bp2);
-f();
-assertEquals(5, break_point_hit_count);
-
-// Disable the first breakpoint.
-Debug.disableBreakPoint(bp1);
-f();
-assertEquals(6, break_point_hit_count);
-
-// Deactivate all breakpoints.
-Debug.debuggerFlags().breakPointsActive.setValue(false);
-f();
-assertEquals(6, break_point_hit_count);
-
-// Enable the first breakpoint.
-Debug.enableBreakPoint(bp1);
-f();
-assertEquals(6, break_point_hit_count);
-
-// Activate all breakpoints.
-Debug.debuggerFlags().breakPointsActive.setValue(true);
-f();
-assertEquals(7, break_point_hit_count);