Attachment 373287 Details for Bug 198927 – Patch

[patch] Patch

bug-198927.patch (text/plain), 22.26 KB, created by Devin Rousso on 2019-07-01 17:34:12 PDT

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Creator: Devin Rousso

Created: 2019-07-01 17:34:12 PDT

Size: 22.26 KB

patch

obsolete

>diff --git a/Source/WebInspectorUI/ChangeLog b/Source/WebInspectorUI/ChangeLog
>index 079cf01a7766fee345c357b9489642eb5f01ccba..65e28a9b487296d30953c26836ff33e8ead3da98 100644
>--- a/Source/WebInspectorUI/ChangeLog
>+++ b/Source/WebInspectorUI/ChangeLog
>@@ -1,3 +1,58 @@
>+2019-06-17  Devin Rousso  <drousso@apple.com>
>+
>+        Web Inspector: REGRESSION(r245498): Timelines: CPU: discontinuities are filled in by the next record
>+        https://bugs.webkit.org/show_bug.cgi?id=198927
>+
>+        Reviewed by Matt Baker.
>+
>+        * UserInterface/Controllers/TimelineManager.js:
>+        (WI.TimelineManager.prototype.capturingStarted):
>+        (WI.TimelineManager.prototype.capturingStopped):
>+        * UserInterface/Models/TimelineRecording.js:
>+        (WI.TimelineRecording):
>+        (WI.TimelineRecording.prototype.start):
>+        (WI.TimelineRecording.prototype.capturingStarted): Added.
>+        (WI.TimelineRecording.prototype.capturingStopped): Added.
>+        (WI.TimelineRecording.prototype.reset):
>+        (WI.TimelineRecording.prototype.addRecord):
>+        (WI.TimelineRecording.prototype.discontinuitiesInTimeRange):
>+        (WI.TimelineRecording.prototype.addDiscontinuity): Deleted.
>+        Notify the `TimelineRecording` when capturing has started/stopped.
>+        Adjust the first record after a discontinuity to have it's `startTime` match the `endTime`
>+        of the most recent discontinuity.
>+
>+        * UserInterface/Models/Timeline.js:
>+        (WI.Timeline.prototype.addRecord):
>+        * UserInterface/Models/CPUTimeline.js:
>+        (WI.CPUTimeline.prototype.addRecord):
>+        * UserInterface/Models/CPUTimelineRecord.js:
>+        (WI.CPUTimelineRecord.prototype.adjustStartTime): Added.
>+        (WI.CPUTimelineRecord.prototype.adjustStartTimeToLastRecord): Deleted.
>+        * UserInterface/Models/MemoryTimeline.js:
>+        (WI.MemoryTimeline.prototype.addRecord):
>+        * UserInterface/Models/MemoryTimelineRecord.js:
>+        (WI.MemoryTimelineRecord.prototype.adjustStartTime): Added.
>+        (WI.MemoryTimelineRecord.prototype.adjustStartTimeToLastRecord): Deleted.
>+        * UserInterface/Models/NetworkTimeline.js:
>+        (WI.NetworkTimeline.prototype.addRecord):
>+
>+        * UserInterface/Views/CPUTimelineView.js:
>+        (WI.CPUTimelineView.prototype.layout):
>+        * UserInterface/Views/MemoryTimelineOverviewGraph.js:
>+        (WI.MemoryTimelineOverviewGraph.prototype.layout):
>+        * UserInterface/Views/MemoryTimelineView.js:
>+        (WI.MemoryTimelineView.prototype.layout):
>+        Include discontinuities that exactly match the start/end time of the record immediately
>+        before/after the discontinuity.
>+
>+        * UserInterface/Views/TimelineRecordingContentView.js:
>+        (WI.TimelineRecordingContentView):
>+        (WI.TimelineRecordingContentView.prototype._handleTimelineCapturingStateChanged):
>+        (WI.TimelineRecordingContentView.prototype._recordingReset):
>+        Move the logic for handling discontinuity start/end times to the `TimelineRecording`.
>+
>+        * UserInterface/Base/Utilities.js:
>+
> 2019-06-17  Devin Rousso  <drousso@apple.com>
> 
>         Web Inspector: Settings: split the General panel into sub panels so it's less crowded
>diff --git a/Source/WebInspectorUI/UserInterface/Base/Utilities.js b/Source/WebInspectorUI/UserInterface/Base/Utilities.js
>index 673e2f2e69690037b4efaf37dcde03709ebc1b7a..56744fb082df8da496ecbdb38c9b691ac15b1ba2 100644
>--- a/Source/WebInspectorUI/UserInterface/Base/Utilities.js
>+++ b/Source/WebInspectorUI/UserInterface/Base/Utilities.js
>@@ -146,6 +146,17 @@ Object.defineProperty(Map.prototype, "getOrInitialize",
>     }
> });
> 
>+Object.defineProperty(Set.prototype, "take",
>+{
>+    value(key)
>+    {
>+        let exists = this.has(key);
>+        if (exists)
>+            this.delete(key);
>+        return exists;
>+    }
>+});
>+
> Object.defineProperty(Set.prototype, "equals",
> {
>     value(other)
>diff --git a/Source/WebInspectorUI/UserInterface/Controllers/TimelineManager.js b/Source/WebInspectorUI/UserInterface/Controllers/TimelineManager.js
>index a04386ed17d0ecd7f5e4ed4c49f05f6baffc4c58..874efba7bd4ffd8d1e4fb6e0c774fafd6db73713 100644
>--- a/Source/WebInspectorUI/UserInterface/Controllers/TimelineManager.js
>+++ b/Source/WebInspectorUI/UserInterface/Controllers/TimelineManager.js
>@@ -355,6 +355,8 @@ WI.TimelineManager = class TimelineManager extends WI.Object
> 
>         this._webTimelineScriptRecordsExpectingScriptProfilerEvents = [];
> 
>+        this._activeRecording.capturingStarted(this._capturingStartTime);
>+
>         WI.settings.timelinesAutoStop.addEventListener(WI.Setting.Event.Changed, this._handleTimelinesAutoStopSettingChanged, this);
> 
>         WI.Frame.addEventListener(WI.Frame.Event.ResourceWasAdded, this._resourceWasAdded, this);
>@@ -400,6 +402,8 @@ WI.TimelineManager = class TimelineManager extends WI.Object
>         WI.Frame.removeEventListener(WI.Frame.Event.ResourceWasAdded, this._resourceWasAdded, this);
>         WI.settings.timelinesAutoStop.removeEventListener(null, null, this);
> 
>+        this._activeRecording.capturingStopped(this._capturingEndTime);
>+
>         this.relaxAutoStop();
> 
>         this._isCapturingPageReload = false;
>diff --git a/Source/WebInspectorUI/UserInterface/Models/CPUTimeline.js b/Source/WebInspectorUI/UserInterface/Models/CPUTimeline.js
>index 128022f53c20c5d6d301758fe71fdf8fea46ed3b..88cfa75e37fabcbfbc1bc76d0cce431f6d63be63 100644
>--- a/Source/WebInspectorUI/UserInterface/Models/CPUTimeline.js
>+++ b/Source/WebInspectorUI/UserInterface/Models/CPUTimeline.js
>@@ -27,12 +27,16 @@ WI.CPUTimeline = class CPUTimeline extends WI.Timeline
> {
>     // Public
> 
>-    addRecord(record)
>+    addRecord(record, options = {})
>     {
>         let lastRecord = this.records.lastValue;
>-        if (lastRecord)
>-            record.adjustStartTimeToLastRecord(lastRecord);
>+        if (lastRecord) {
>+            let startTime = lastRecord.endTime;
>+            if (options.discontinuity)
>+                startTime = options.discontinuity.endTime;
>+            record.adjustStartTime(startTime);
>+        }
> 
>-        super.addRecord(record);
>+        super.addRecord(record, options);
>     }
> };
>diff --git a/Source/WebInspectorUI/UserInterface/Models/CPUTimelineRecord.js b/Source/WebInspectorUI/UserInterface/Models/CPUTimelineRecord.js
>index 112b713c979e9a15dbac9509fc2673f235c7bc5a..c26bdce0a04bdadfe809c34744c0cd1bbbfef9e0 100644
>--- a/Source/WebInspectorUI/UserInterface/Models/CPUTimelineRecord.js
>+++ b/Source/WebInspectorUI/UserInterface/Models/CPUTimelineRecord.js
>@@ -104,10 +104,9 @@ WI.CPUTimelineRecord = class CPUTimelineRecord extends WI.TimelineRecord
>     get unknownThreadUsage() { return this._unknownThreadUsage; }
>     get workersData() { return this._workersData; }
> 
>-    adjustStartTimeToLastRecord(lastRecord)
>+    adjustStartTime(startTime)
>     {
>-        console.assert(lastRecord instanceof CPUTimelineRecord);
>-        console.assert(this._startTime >= lastRecord.endTime);
>-        this._startTime = lastRecord.endTime;
>+        console.assert(startTime < this._endTime);
>+        this._startTime = startTime;
>     }
> };
>diff --git a/Source/WebInspectorUI/UserInterface/Models/MemoryTimeline.js b/Source/WebInspectorUI/UserInterface/Models/MemoryTimeline.js
>index 4b4f060dbd36478ccc27173344f86fa59d3c44f4..f91ef358b93608e932ed35799e120c5f9c29befd 100644
>--- a/Source/WebInspectorUI/UserInterface/Models/MemoryTimeline.js
>+++ b/Source/WebInspectorUI/UserInterface/Models/MemoryTimeline.js
>@@ -47,13 +47,17 @@ WI.MemoryTimeline = class MemoryTimeline extends WI.Timeline
>         this._pressureEvents = [];
>     }
> 
>-    addRecord(record)
>+    addRecord(record, options = {})
>     {
>         let lastRecord = this.records.lastValue;
>-        if (lastRecord)
>-            record.adjustStartTimeToLastRecord(lastRecord);
>+        if (lastRecord) {
>+            let startTime = lastRecord.endTime;
>+            if (options.discontinuity)
>+                startTime = options.discontinuity.endTime;
>+            record.adjustStartTime(startTime);
>+        }
> 
>-        super.addRecord(record);
>+        super.addRecord(record, options);
>     }
> };
> 
>diff --git a/Source/WebInspectorUI/UserInterface/Models/MemoryTimelineRecord.js b/Source/WebInspectorUI/UserInterface/Models/MemoryTimelineRecord.js
>index 787bedc3da218c7f21229e9493bdfab155fa3d5b..c2d09a335aa8fda67050edc321f4696ee01cc9c0 100644
>--- a/Source/WebInspectorUI/UserInterface/Models/MemoryTimelineRecord.js
>+++ b/Source/WebInspectorUI/UserInterface/Models/MemoryTimelineRecord.js
>@@ -109,10 +109,9 @@ WI.MemoryTimelineRecord = class MemoryTimelineRecord extends WI.TimelineRecord
>     get categories() { return this._categories; }
>     get totalSize() { return this._totalSize; }
> 
>-    adjustStartTimeToLastRecord(lastRecord)
>+    adjustStartTime(startTime)
>     {
>-        console.assert(lastRecord instanceof MemoryTimelineRecord);
>-        console.assert(this._startTime >= lastRecord.endTime);
>-        this._startTime = lastRecord.endTime;
>+        console.assert(startTime < this._endTime);
>+        this._startTime = startTime;
>     }
> };
>diff --git a/Source/WebInspectorUI/UserInterface/Models/NetworkTimeline.js b/Source/WebInspectorUI/UserInterface/Models/NetworkTimeline.js
>index c772ae0c5402400a2f277f60ab07e0cc16ea429b..f0ac7a1d75c340f9d2633ae24b3d0946e313a7eb 100644
>--- a/Source/WebInspectorUI/UserInterface/Models/NetworkTimeline.js
>+++ b/Source/WebInspectorUI/UserInterface/Models/NetworkTimeline.js
>@@ -41,7 +41,7 @@ WI.NetworkTimeline = class NetworkTimeline extends WI.Timeline
>         super.reset(suppressEvents);
>     }
> 
>-    addRecord(record)
>+    addRecord(record, options = {})
>     {
>         console.assert(record instanceof WI.ResourceTimelineRecord);
> 
>@@ -51,6 +51,6 @@ WI.NetworkTimeline = class NetworkTimeline extends WI.Timeline
> 
>         this._resourceRecordMap.set(record.resource, record);
> 
>-        super.addRecord(record);
>+        super.addRecord(record, options);
>     }
> };
>diff --git a/Source/WebInspectorUI/UserInterface/Models/Timeline.js b/Source/WebInspectorUI/UserInterface/Models/Timeline.js
>index 28f42529c7cefe976fe3eb2323a3ec2b870a2ca3..cb88637203b0a47a70b758ba42b82c80cb7a2a8a 100644
>--- a/Source/WebInspectorUI/UserInterface/Models/Timeline.js
>+++ b/Source/WebInspectorUI/UserInterface/Models/Timeline.js
>@@ -69,7 +69,7 @@ WI.Timeline = class Timeline extends WI.Object
>         }
>     }
> 
>-    addRecord(record)
>+    addRecord(record, options = {})
>     {
>         if (record.updatesDynamically)
>             record.addEventListener(WI.TimelineRecord.Event.Updated, this._recordUpdated, this);
>diff --git a/Source/WebInspectorUI/UserInterface/Models/TimelineRecording.js b/Source/WebInspectorUI/UserInterface/Models/TimelineRecording.js
>index 0b4bbc43af3861c0888e4bc4fc7309f698504b16..81321690dccde8f5ebaac06eaad198cc7f75dc65 100644
>--- a/Source/WebInspectorUI/UserInterface/Models/TimelineRecording.js
>+++ b/Source/WebInspectorUI/UserInterface/Models/TimelineRecording.js
>@@ -39,7 +39,10 @@ WI.TimelineRecording = class TimelineRecording extends WI.Object
> 
>         this._startTime = NaN;
>         this._endTime = NaN;
>+
>+        this._discontinuityStartTime = NaN;
>         this._discontinuities = null;
>+        this._firstRecordOfTypeAfterDiscontinuity = new Set;
> 
>         this._exportDataRecords = null;
>         this._exportDataMarkers = null;
>@@ -168,6 +171,11 @@ WI.TimelineRecording = class TimelineRecording extends WI.Object
> 
>         for (let instrument of this._instruments)
>             instrument.startInstrumentation(initiatedByBackend);
>+
>+        if (!isNaN(this._discontinuityStartTime)) {
>+            for (let instrument of this._instruments)
>+                this._firstRecordOfTypeAfterDiscontinuity.add(instrument.timelineRecordType);
>+        }
>     }
> 
>     stop(initiatedByBackend)
>@@ -181,6 +189,25 @@ WI.TimelineRecording = class TimelineRecording extends WI.Object
>             instrument.stopInstrumentation(initiatedByBackend);
>     }
> 
>+    capturingStarted(startTime)
>+    {
>+        // A discontinuity occurs when the recording is stopped and resumed at
>+        // a future time. Capturing started signals the end of the current
>+        // discontinuity, if one exists.
>+        if (!isNaN(this._discontinuityStartTime)) {
>+            this._discontinuities.push({
>+                startTime: this._discontinuityStartTime,
>+                endTime: startTime,
>+            });
>+            this._discontinuityStartTime = NaN;
>+        }
>+    }
>+
>+    capturingStopped(endTime)
>+    {
>+        this._discontinuityStartTime = endTime;
>+    }
>+
>     saveIdentityToCookie()
>     {
>         // Do nothing. Timeline recordings are not persisted when the inspector is
>@@ -214,7 +241,10 @@ WI.TimelineRecording = class TimelineRecording extends WI.Object
> 
>         this._startTime = NaN;
>         this._endTime = NaN;
>+
>+        this._discontinuityStartTime = NaN;
>         this._discontinuities = [];
>+        this._firstRecordOfTypeAfterDiscontinuity.clear();
> 
>         this._exportDataRecords = [];
>         this._exportDataMarkers = []
>@@ -300,8 +330,12 @@ WI.TimelineRecording = class TimelineRecording extends WI.Object
>         if (!timeline)
>             return;
> 
>+        let discontinuity = null;
>+        if (this._firstRecordOfTypeAfterDiscontinuity.take(record.type))
>+            discontinuity = this._discontinuities.lastValue;
>+
>         // Add the record to the global timeline by type.
>-        timeline.addRecord(record);
>+        timeline.addRecord(record, {discontinuity});
> 
>         // Some records don't have source code timelines.
>         if (record.type === WI.TimelineRecord.Type.Network
>@@ -358,14 +392,9 @@ WI.TimelineRecording = class TimelineRecording extends WI.Object
>         memoryTimeline.addMemoryPressureEvent(memoryPressureEvent);
>     }
> 
>-    addDiscontinuity(startTime, endTime)
>-    {
>-        this._discontinuities.push({startTime, endTime});
>-    }
>-
>     discontinuitiesInTimeRange(startTime, endTime)
>     {
>-        return this._discontinuities.filter((item) => item.startTime < endTime && item.endTime > startTime);
>+        return this._discontinuities.filter((item) => item.startTime <= endTime && item.endTime >= startTime);
>     }
> 
>     addScriptInstrumentForProgrammaticCapture()
>diff --git a/Source/WebInspectorUI/UserInterface/Views/CPUTimelineView.js b/Source/WebInspectorUI/UserInterface/Views/CPUTimelineView.js
>index 53f1b62e6dc129fd8687923e2a5fcd5655181306..0c6b54909a0ebdfefba76c7e53119d6d18b69b18 100644
>--- a/Source/WebInspectorUI/UserInterface/Views/CPUTimelineView.js
>+++ b/Source/WebInspectorUI/UserInterface/Views/CPUTimelineView.js
>@@ -486,10 +486,10 @@ WI.CPUTimelineView = class CPUTimelineView extends WI.TimelineView
>             let time = record.startTime;
>             let {usage, mainThreadUsage, workerThreadUsage, webkitThreadUsage, unknownThreadUsage} = record;
> 
>-            if (discontinuities.length && discontinuities[0].endTime < time) {
>+            if (discontinuities.length && discontinuities[0].endTime <= time) {
>                 let startDiscontinuity = discontinuities.shift();
>                 let endDiscontinuity = startDiscontinuity;
>-                while (discontinuities.length && discontinuities[0].endTime < time)
>+                while (discontinuities.length && discontinuities[0].endTime <= time)
>                     endDiscontinuity = discontinuities.shift();
> 
>                 if (dataPoints.length) {
>diff --git a/Source/WebInspectorUI/UserInterface/Views/MemoryTimelineOverviewGraph.js b/Source/WebInspectorUI/UserInterface/Views/MemoryTimelineOverviewGraph.js
>index f2722874c5d9534d0b3b001817391417886142d4..40bc1b259875f860cd2a463674d936d075734156 100644
>--- a/Source/WebInspectorUI/UserInterface/Views/MemoryTimelineOverviewGraph.js
>+++ b/Source/WebInspectorUI/UserInterface/Views/MemoryTimelineOverviewGraph.js
>@@ -188,10 +188,10 @@ WI.MemoryTimelineOverviewGraph = class MemoryTimelineOverviewGraph extends WI.Ti
>         // Points for visible records.
>         let previousRecord = null;
>         for (let record of visibleRecords) {
>-            if (discontinuities.length && discontinuities[0].endTime < record.startTime) {
>+            if (discontinuities.length && discontinuities[0].endTime <= record.startTime) {
>                 let startDiscontinuity = discontinuities.shift();
>                 let endDiscontinuity = startDiscontinuity;
>-                while (discontinuities.length && discontinuities[0].endTime < record.startTime)
>+                while (discontinuities.length && discontinuities[0].endTime <= record.startTime)
>                     endDiscontinuity = discontinuities.shift();
>                 insertDiscontinuity.call(this, previousRecord, startDiscontinuity, endDiscontinuity, record);
>             }
>diff --git a/Source/WebInspectorUI/UserInterface/Views/MemoryTimelineView.js b/Source/WebInspectorUI/UserInterface/Views/MemoryTimelineView.js
>index 31e3dbb7be8d109b7e6c2a78667a369776d90e87..908c93d77ffca2d760ad83c36cbfd869dd8d3e05 100644
>--- a/Source/WebInspectorUI/UserInterface/Views/MemoryTimelineView.js
>+++ b/Source/WebInspectorUI/UserInterface/Views/MemoryTimelineView.js
>@@ -228,10 +228,10 @@ WI.MemoryTimelineView = class MemoryTimelineView extends WI.TimelineView
>             let time = record.startTime;
>             let startDiscontinuity = null;
>             let endDiscontinuity = null;
>-            if (discontinuities.length && discontinuities[0].endTime < time) {
>+            if (discontinuities.length && discontinuities[0].endTime <= time) {
>                 startDiscontinuity = discontinuities.shift();
>                 endDiscontinuity = startDiscontinuity;
>-                while (discontinuities.length && discontinuities[0].endTime < time)
>+                while (discontinuities.length && discontinuities[0].endTime <= time)
>                     endDiscontinuity = discontinuities.shift();
>             }
> 
>diff --git a/Source/WebInspectorUI/UserInterface/Views/TimelineRecordingContentView.js b/Source/WebInspectorUI/UserInterface/Views/TimelineRecordingContentView.js
>index a6b7bd68522de7e10b6f7e6d5ccb8f7e845325d5..44bb6e9322c4c002df7d600c0cff3c7d8a458d10 100644
>--- a/Source/WebInspectorUI/UserInterface/Views/TimelineRecordingContentView.js
>+++ b/Source/WebInspectorUI/UserInterface/Views/TimelineRecordingContentView.js
>@@ -92,7 +92,6 @@ WI.TimelineRecordingContentView = class TimelineRecordingContentView extends WI.
> 
>         this._updating = false;
>         this._currentTime = NaN;
>-        this._discontinuityStartTime = NaN;
>         this._lastUpdateTimestamp = NaN;
>         this._startTimeNeedsReset = true;
>         this._renderingFrameTimeline = null;
>@@ -523,14 +522,6 @@ WI.TimelineRecordingContentView = class TimelineRecordingContentView extends WI.
> 
>             this._clearTimelineNavigationItem.enabled = !this._recording.readonly;
>             this._exportButtonNavigationItem.enabled = false;
>-
>-            // A discontinuity occurs when the recording is stopped and resumed at
>-            // a future time. Capturing started signals the end of the current
>-            // discontinuity, if one exists.
>-            if (!isNaN(this._discontinuityStartTime)) {
>-                this._recording.addDiscontinuity(this._discontinuityStartTime, startTime);
>-                this._discontinuityStartTime = NaN;
>-            }
>             break;
> 
>         case WI.TimelineManager.CapturingState.Inactive:
>@@ -540,8 +531,6 @@ WI.TimelineRecordingContentView = class TimelineRecordingContentView extends WI.
>             if (this.currentTimelineView)
>                 this._updateTimelineViewTimes(this.currentTimelineView);
> 
>-            this._discontinuityStartTime = endTime || this._currentTime;
>-
>             this._exportButtonNavigationItem.enabled = this._recording.canExport();
>             break;
>         }
>@@ -710,7 +699,6 @@ WI.TimelineRecordingContentView = class TimelineRecordingContentView extends WI.
>             timelineView.reset();
> 
>         this._currentTime = NaN;
>-        this._discontinuityStartTime = NaN;
> 
>         if (!this._updating) {
>             // Force the time ruler and views to reset to 0.
>diff --git a/LayoutTests/ChangeLog b/LayoutTests/ChangeLog
>index 3c556184f9e86f16cbecdb2b48ac3dd15ddbfe26..0dd2e0feeb4feee4da531e9559840275e86665b3 100644
>--- a/LayoutTests/ChangeLog
>+++ b/LayoutTests/ChangeLog
>@@ -1,3 +1,13 @@
>+2019-06-17  Devin Rousso  <drousso@apple.com>
>+
>+        Web Inspector: REGRESSION(r245498): Timelines: CPU: discontinuities are filled in by the next record
>+        https://bugs.webkit.org/show_bug.cgi?id=198927
>+
>+        Reviewed by Matt Baker.
>+
>+        * inspector/unit-tests/set-utilities.html:
>+        * inspector/unit-tests/set-utilities-expected.txt:
>+
> 2019-06-17  Shawn Roberts  <sroberts@apple.com>
> 
>         scrollingcoordinator/ios/sync-layer-positions-after-scroll.html is a flaky failure on iOS Simulator
>diff --git a/LayoutTests/inspector/unit-tests/set-utilities-expected.txt b/LayoutTests/inspector/unit-tests/set-utilities-expected.txt
>index d2e7d226590c32cecd29b61e70b92ca1e19914cb..f3d8c521c5e424b0e0384e4ab4a179f46375b3f2 100644
>--- a/LayoutTests/inspector/unit-tests/set-utilities-expected.txt
>+++ b/LayoutTests/inspector/unit-tests/set-utilities-expected.txt
>@@ -1,5 +1,11 @@
> 
> == Running test suite: Set
>+-- Running test case: Set.prototype.take
>+PASS: Set can take `key`.
>+PASS: Set no longer has `key`.
>+PASS: Set can NOT take `key`.
>+PASS: Set can NOT take `DNE`, as it does NOT exist.
>+
> -- Running test case: Set.prototype.intersects
> PASS: an empty set should not intersect another empty set.
> PASS: a non-empty set should not intersect an empty set.
>diff --git a/LayoutTests/inspector/unit-tests/set-utilities.html b/LayoutTests/inspector/unit-tests/set-utilities.html
>index 5905e2f6adc0e06c5aef8a61d2dfcecee3e31984..8b194b369cfee25c901631d5c9a95485b22fa61d 100644
>--- a/LayoutTests/inspector/unit-tests/set-utilities.html
>+++ b/LayoutTests/inspector/unit-tests/set-utilities.html
>@@ -7,6 +7,20 @@ function test()
> {
>     let suite = InspectorTest.createSyncSuite("Set");
> 
>+    suite.addTestCase({
>+        name: "Set.prototype.take",
>+        test() {
>+            const key = "key";
>+
>+            let set = new Set;
>+            set.add(key);
>+            InspectorTest.expectTrue(set.take(key), "Set can take `key`.");
>+            InspectorTest.expectFalse(set.has(key), "Set no longer has `key`.");
>+            InspectorTest.expectFalse(set.take(key), "Set can NOT take `key`.");
>+            InspectorTest.expectFalse(set.take("DNE"), "Set can NOT take `DNE`, as it does NOT exist.");
>+        }
>+    });
>+
>     suite.addTestCase({
>         name: "Set.prototype.intersects",
>         test() {

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Attachments on bug 198927: 372260 | 372280 | 373287