| <!doctype html> |
| <html> |
| <head> |
| <script src="../../http/tests/inspector/resources/inspector-test.js"></script> |
| <script src="../../http/tests/inspector/debugger/debugger-test.js"></script> |
| <script src="./resources/tail-recursion.js"></script> |
| <script> |
| |
| function test() |
| { |
| var scriptObject; |
| |
| function remoteObjectJSONFilter(key, value) { |
| if (key === "_target" || key === "_listeners") |
| return undefined; |
| if (key === "_objectId" || key === "_stackTrace") |
| return "<filtered>"; |
| return value; |
| } |
| |
| function startTest() { |
| InspectorTest.log("Starting Test"); |
| // 0 based indices. |
| var testInfos = [{line : 3, column : 8}, {line : 4, column : 8}]; |
| for (let testInfo of testInfos) { |
| let location = scriptObject.createSourceCodeLocation(testInfo.line, testInfo.column); |
| let breakpoint = new WI.JavaScriptBreakpoint(location); |
| WI.debuggerManager.addBreakpoint(breakpoint); |
| } |
| InspectorTest.evaluateInPage("startRecurse()"); |
| } |
| |
| let numBreakpointHits = 0; |
| WI.debuggerManager.addEventListener(WI.DebuggerManager.Event.CallFramesDidChange, function(event) { |
| var activeCallFrame = WI.debuggerManager.activeCallFrame; |
| |
| if (!activeCallFrame) |
| return; |
| |
| numBreakpointHits++; |
| var stopLocation = "line: " + activeCallFrame.sourceCodeLocation.lineNumber + ", column: " + activeCallFrame.sourceCodeLocation.columnNumber; |
| |
| InspectorTest.log("\n\n------------------------------------"); |
| InspectorTest.log("Hit breakpoint at " + stopLocation); |
| InspectorTest.log("numBreakpointHits: " + numBreakpointHits); |
| const numFramesToInspect = 50; |
| InspectorTest.log("Going to look at the top " + numFramesToInspect + " frames."); |
| InspectorTest.log("------------------------------------"); |
| |
| let targetData = WI.debuggerManager.dataForTarget(WI.debuggerManager.activeCallFrame.target); |
| let callFrames = targetData.callFrames; |
| |
| InspectorTest.assert(callFrames.length > numFramesToInspect); // We just look at top 50. This isn't a precise number. But it gets at the gist of the debugging experience. |
| for (let i = 0; i < numFramesToInspect; i++) { |
| let callFrame = callFrames[i]; |
| InspectorTest.assert(callFrame.functionName === "recurse"); |
| let topScope = callFrame.scopeChain[0]; |
| |
| if (i > 0) |
| InspectorTest.assert(callFrame.isTailDeleted); |
| else |
| InspectorTest.assert(!callFrame.isTailDeleted); |
| |
| topScope.objects[0].getPropertyDescriptors(function(properties) { |
| let found = false; |
| for (let propertyDescriptor of properties) { |
| if (propertyDescriptor.name === 'i') { |
| found = true; |
| InspectorTest.log("Looking at frame number: " + i); |
| InspectorTest.log(" variable 'i': " + JSON.stringify(propertyDescriptor.value, remoteObjectJSONFilter)); |
| InspectorTest.assert(propertyDescriptor.value.type === 'number'); |
| if (numBreakpointHits === 2 && i === 0) |
| InspectorTest.assert(propertyDescriptor.value.value === i + 1); // this tests the i++ inside tail-recurse.js |
| else |
| InspectorTest.assert(propertyDescriptor.value.value === i); |
| } |
| } |
| InspectorTest.assert(found); |
| }); |
| } |
| |
| WI.debuggerManager.resume(); |
| }); |
| |
| WI.debuggerManager.addEventListener(WI.DebuggerManager.Event.Resumed, function(event) { |
| if (numBreakpointHits === 2) { |
| InspectorTest.log("Tests done"); |
| InspectorTest.completeTest(); |
| } |
| }); |
| |
| WI.debuggerManager.addEventListener(WI.DebuggerManager.Event.ScriptAdded, function(event) { |
| eventScriptObject = event.data.script; |
| |
| if (/tail-recursion\.js$/.test(eventScriptObject.url)) { |
| scriptObject = eventScriptObject; |
| startTest(); |
| return; |
| } |
| |
| }); |
| |
| InspectorTest.reloadPage(); |
| } |
| </script> |
| </head> |
| <body onload="runTest()"> |
| <p>Testing that we keep around tail deleted frames in the inspector. </p> |
| </body> |
| </html> |
