[inspector] implemented blackboxing inside v8

test/inspector/debugger/framework-precise-ranges.js

+// Copyright 2017 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+print('Checks framework debugging with blackboxed ranges.');
+
+InspectorTest.addScript(
+    `
+function foo() {
+  return boo();
+}
+function boo() {
+  return 42;
+}
+function testFunction() {
+  foo();
+}
+//# sourceURL=test.js`,
+    7, 26);
+
+InspectorTest.setupScriptMap();
+Protocol.Debugger.onPaused(message => {
+  InspectorTest.logCallFrames(message.params.callFrames);
+  InspectorTest.log('');
+  Protocol.Debugger.stepInto();
+});
+var scriptId;
+Protocol.Debugger.onScriptParsed(message => {
+  if (message.params.url === 'test.js') {
+    scriptId = message.params.scriptId;
+  }
+});
+
+Protocol.Debugger.enable()
+    .then(() => Protocol.Debugger.setBlackboxPatterns({patterns: ['expr\.js']}))
+    .then(() => InspectorTest.runTestSuite(testSuite));
+
+var testSuite = [
+  function testEntireScript(next) {
+    testPositions([position(0, 0)]).then(next);
+  },
+  function testFooNotBlackboxed(next) {
+    testPositions([position(11, 0)]).then(next);
+  },
+  function testFooBlackboxed(next) {
+    testPositions([position(8, 0), position(10, 3)]).then(next);
+  },
+  function testBooPartiallyBlackboxed1(next) {
+    // first line is not blackboxed, second and third - blackboxed.
+    testPositions([position(12, 0)]).then(next);
+  },
+  function testBooPartiallyBlackboxed2(next) {
+    // first line is blackboxed, second - not, third - blackboxed.
+    testPositions([
+      position(11, 0), position(12, 0), position(13, 0)
+    ]).then(next);
+  },
+  function testBooPartiallyBlackboxed3(next) {
+    // first line is blackboxed, second and third - not.
+    testPositions([
+      position(11, 0), position(12, 0), position(14, 0)
+    ]).then(next);
+  }
+];
+
+function testPositions(positions) {
+  schedulePauseOnNextStatement('', '');
+  return Protocol.Debugger
+      .setBlackboxedRanges({scriptId: scriptId, positions: positions})
+      .then(InspectorTest.logMessage)
+      .then(
+          () => Protocol.Runtime.evaluate(
+              {expression: 'testFunction()//# sourceURL=expr.js'}));
+}
+
+function position(line, column) {
+  return {lineNumber: line, columnNumber: column};
+}