[inspector] added Debugger.getPossibleBreakpoints method

test/inspector/debugger/get-possible-breakpoints.js

+// Copyright 2016 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.
+// Flags: --expose-gc
+
+print("Test for Debugger.getPossibleBreakpoints");
+
+Protocol.Runtime.enable();
+Protocol.Debugger.enable();
+
+InspectorTest.runTestSuite([
+  function getPossibleBreakpointsInRange(next) {
+    var source = "function foo(){ return Promise.resolve(); }\nfunction boo(){ return Promise.resolve().then(() => 42); }\n\n";
+    var scriptId;
+    compileScript(source)
+      .then(id => scriptId = id)
+      .then(() => InspectorTest.log("Test start.scriptId != end.scriptId."))
+      .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 0, scriptId: scriptId }, end: { lineNumber: 0, columnNumber: 0, scriptId: scriptId + "0" }}))
+      .then(InspectorTest.logMessage)
+      .then(() => InspectorTest.log("Test not existing scriptId."))
+      .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 0, scriptId: "-1" }}))
+      .then(InspectorTest.logMessage)
+      .then(() => InspectorTest.log("Test end < start."))
+      .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 1, columnNumber: 0, scriptId: scriptId }, end: { lineNumber: 0, columnNumber: 0, scriptId: scriptId }}))
+      .then(InspectorTest.logMessage)
+      .then(() => InspectorTest.log("Test empty range in first line."))
+      .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 16, scriptId: scriptId }, end: { lineNumber: 0, columnNumber: 16, scriptId: scriptId }}))
+      .then(InspectorTest.logMessage)
+      .then(() => InspectorTest.log("Test one character range in first line."))
+      .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 16, scriptId: scriptId }, end: { lineNumber: 0, columnNumber: 17, scriptId: scriptId }}))
+      .then(InspectorTest.logMessage)
+      .then(() => InspectorTest.log("Test empty range in not first line."))
+      .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 1, columnNumber: 16, scriptId: scriptId }, end: { lineNumber: 1, columnNumber: 16, scriptId: scriptId }}))
+      .then(InspectorTest.logMessage)
+      .then(() => InspectorTest.log("Test one character range in not first line."))
+      .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 1, columnNumber: 16, scriptId: scriptId }, end: { lineNumber: 1, columnNumber: 17, scriptId: scriptId }}))
+      .then(InspectorTest.logMessage)
+      .then(() => InspectorTest.log("Test end is undefined"))
+      .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 0, scriptId: scriptId }}))
+      .then(InspectorTest.logMessage)
+      .then(() => InspectorTest.log("Test end.lineNumber > scripts.lineCount()"))
+      .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 0, scriptId: scriptId }, end: { lineNumber: 5, columnNumber: 0, scriptId: scriptId }}))
+      .then(InspectorTest.logMessage)
+      .then(() => InspectorTest.log("Test one string"))
+      .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 0, scriptId: scriptId }, end: { lineNumber: 1, columnNumber: 0, scriptId: scriptId }}))
+      .then(InspectorTest.logMessage)
+      .then(() => InspectorTest.log("Test end.columnNumber > end.line.length(), should be the same as previous."))
+      .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 0, scriptId: scriptId }, end: { lineNumber: 0, columnNumber: 256, scriptId: scriptId }}))
+      .then(InspectorTest.logMessage)
+      .then(next);
+  },
+
+  function getPossibleBreakpointsInArrow(next) {
+    var source = "function foo() { return Promise.resolve().then(() => 239).then(() => 42).then(() => () => 42) }";
+    var scriptId;
+    compileScript(source)
+      .then(id => scriptId = id)
+      .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 0, scriptId: scriptId }}))
+      .then(InspectorTest.logMessage)
+      .then(next);
+  },
+
+  function arrowFunctionFirstLine(next) {
+    Protocol.Debugger.onPaused(message => {
+      InspectorTest.log("paused in " + message.params.callFrames[0].functionName);
+      InspectorTest.logMessage(message.params.callFrames[0].location);
+      Protocol.Debugger.resume();
+    });
+
+    var source = `function foo1() { Promise.resolve().then(() => 42) }
+function foo2() { Promise.resolve().then(() => 42) }`;
+    waitForPossibleBreakpoints(source, { lineNumber: 0, columnNumber: 0 }, { lineNumber: 1, columnNumber: 0 })
+      .then(InspectorTest.logMessage)
+      .then(setAllBreakpoints)
+      .then(() => Protocol.Runtime.evaluate({ expression: "foo1(); foo2()"}))
+      .then(next);
+  },
+
+  function arrowFunctionOnPause(next) {
+    function dumpAndResume(message) {
+      InspectorTest.log("paused in " + message.params.callFrames[0].functionName);
+      InspectorTest.logMessage(message.params.callFrames[0].location);
+      Protocol.Debugger.resume();
+    }
+
+    var source = `debugger; function foo3() { Promise.resolve().then(() => 42) }
+function foo4() { Promise.resolve().then(() => 42) };\nfoo3();\nfoo4();`;
+    waitForPossibleBreakpointsOnPause(source, { lineNumber: 0, columnNumber: 0 }, undefined, next)
+      .then(InspectorTest.logMessage)
+      .then(setAllBreakpoints)
+      .then(() => Protocol.Debugger.onPaused(dumpAndResume))
+      .then(() => Protocol.Debugger.resume());
+  }
+
+]);
+
+function compileScript(source) {
+  var promise = Protocol.Debugger.onceScriptParsed().then(message => message.params.scriptId);
+  Protocol.Runtime.compileScript({ expression: source, sourceURL: "", persistScript: true });
+  return promise;
+}
+
+function waitForPossibleBreakpoints(source, start, end) {
+  var promise = Protocol.Debugger.onceScriptParsed()
+    .then(msg => { (start || {}).scriptId = msg.params.scriptId; (end || {}).scriptId = msg.params.scriptId })
+    .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: start, end: end }));
+  Protocol.Runtime.evaluate({ expression: source });
+  return promise;
+}
+
+function waitForPossibleBreakpointsOnPause(source, start, end, next) {
+  var promise = Protocol.Debugger.oncePaused()
+    .then(msg => { (start || {}).scriptId = msg.params.callFrames[0].location.scriptId; (end || {}).scriptId = msg.params.callFrames[0].location.scriptId })
+    .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: start, end: end }));
+  Protocol.Runtime.evaluate({ expression: source }).then(next);
+  return promise;
+}
+
+function setAllBreakpoints(message) {
+  var promises = [];
+  for (var location of message.result.locations)
+    promises.push(Protocol.Debugger.setBreakpoint({ location: location }).then(checkBreakpointAndDump));
+  return Promise.all(promises);
+}
+
+function checkBreakpointAndDump(message) {
+  if (message.error) {
+    InspectorTest.log("FAIL: error in setBreakpoint");
+    InspectorTest.logMessage(message);
+    return;
+  }
+  var id_data = message.result.breakpointId.split(":");
+  if (parseInt(id_data[1]) !== message.result.actualLocation.lineNumber || parseInt(id_data[2]) !== message.result.actualLocation.columnNumber) {
+    InspectorTest.log("FAIL: possible breakpoint was resolved in another location");
+    InspectorTest.logMessage(message);
+  }
+  InspectorTest.logMessage(message);
+}