forked from mirrors/gecko-dev
		
	 640fe52298
			
		
	
	
		640fe52298
		
	
	
	
	
		
			
			MozReview-Commit-ID: F6xUXCgdRE4 --HG-- extra : rebase_source : 65de1b0aba412d9044b5196115f74276caa058f2
		
			
				
	
	
		
			72 lines
		
	
	
	
		
			2.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			72 lines
		
	
	
	
		
			2.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /* vim: set ft=javascript ts=2 et sw=2 tw=80: */
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| /* Any copyright is dedicated to the Public Domain.
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|    http://creativecommons.org/publicdomain/zero/1.0/ */
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| 
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| "use strict";
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| 
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| // Test that the timeline front's start/stop/isRecording methods work in a
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| // simple use case, and that markers events are sent when operations occur.
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| // Note that this test isn't concerned with which markers are actually recorded,
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| // just that markers are recorded at all.
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| // Trying to check marker types here may lead to intermittents, see bug 1066474.
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| 
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| const {TimelineFront} = require("devtools/shared/fronts/timeline");
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| 
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| add_task(async function() {
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|   await addTab("data:text/html;charset=utf-8,mop");
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| 
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|   initDebuggerServer();
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|   const client = new DebuggerClient(DebuggerServer.connectPipe());
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|   const form = await connectDebuggerClient(client);
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|   const front = TimelineFront(client, form);
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| 
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|   ok(front, "The TimelineFront was created");
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| 
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|   let isActive = await front.isRecording();
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|   ok(!isActive, "The TimelineFront is not initially recording");
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| 
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|   info("Flush any pending reflows");
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|   ContentTask.spawn(gBrowser.selectedBrowser, {}, () => {
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|     // forceSyncReflow
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|     content.document.body.innerHeight;
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|   });
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| 
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|   info("Start recording");
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|   await front.start({ withMarkers: true });
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| 
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|   isActive = await front.isRecording();
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|   ok(isActive, "The TimelineFront is now recording");
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| 
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|   info("Change some style on the page to cause style/reflow/paint");
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|   let onMarkers = once(front, "markers");
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|   ContentTask.spawn(gBrowser.selectedBrowser, {}, () => {
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|     content.document.body.style.padding = "10px";
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|   });
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|   let markers = await onMarkers;
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| 
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|   ok(true, "The markers event was fired");
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|   ok(markers.length > 0, "Markers were returned");
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| 
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|   info("Flush pending reflows again");
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|   ContentTask.spawn(gBrowser.selectedBrowser, {}, () => {
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|     // forceSyncReflow
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|     content.document.body.innerHeight;
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|   });
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| 
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|   info("Change some style on the page to cause style/paint");
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|   onMarkers = once(front, "markers");
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|   ContentTask.spawn(gBrowser.selectedBrowser, {}, () => {
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|     content.document.body.style.backgroundColor = "red";
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|   });
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|   markers = await onMarkers;
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| 
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|   ok(markers.length > 0, "markers were returned");
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| 
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|   await front.stop();
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| 
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|   isActive = await front.isRecording();
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|   ok(!isActive, "Not recording after stop()");
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| 
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|   await client.close();
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|   gBrowser.removeCurrentTab();
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| });
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