| Index: LayoutTests/fast/events/constructors/mouse-event-constructor-expected.txt
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| diff --git a/LayoutTests/fast/events/constructors/mouse-event-constructor-expected.txt b/LayoutTests/fast/events/constructors/mouse-event-constructor-expected.txt
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| index 14312b381d26d53701d684c2375b9f8711f531b3..f71a1c08a6e003ae749fab20dddd8bddf9ee1828 100644
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| --- a/LayoutTests/fast/events/constructors/mouse-event-constructor-expected.txt
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| +++ b/LayoutTests/fast/events/constructors/mouse-event-constructor-expected.txt
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| @@ -154,7 +154,9 @@ PASS new MouseEvent('eventType', { metaKey: false }).metaKey is false
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|  PASS new MouseEvent('eventType', { metaKey: true }).metaKey is true
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|  PASS new MouseEvent('eventType', { button: 0 }).button is 0
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|  PASS new MouseEvent('eventType', { button: 1 }).button is 1
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| -PASS new MouseEvent('eventType', { button: 65534 }).button is 65534
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| +PASS new MouseEvent('eventType', { button: -2 }).button is -2
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| +PASS new MouseEvent('eventType', { button: -32768 }).button is -32768
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| +PASS new MouseEvent('eventType', { button: 32767 }).button is 32767
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|  PASS new MouseEvent('eventType', { button: 65535 }).button is 0
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|  PASS new MouseEvent('eventType', { button: 9007199254740991 }).button is 0
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|  PASS new MouseEvent('eventType', { button: -1 }).button is 0
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| @@ -162,6 +164,9 @@ PASS new MouseEvent('eventType', { button: 18446744073709551615 }).button is 0
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|  PASS new MouseEvent('eventType', { button: 12345678901234567890 }).button is 2048
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|  PASS new MouseEvent('eventType', { button: 123.45 }).button is 123
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|  PASS new MouseEvent('eventType', { button: NaN }).button is 0
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| +PASS new MouseEvent('eventType', { button: 65534 }).button is -2
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| +PASS new MouseEvent('eventType', { button: -32769 }).button is 32767
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| +PASS new MouseEvent('eventType', { button: 32768 }).button is -32768
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|  PASS new MouseEvent('eventType', { button: undefined }).button is 0
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|  PASS new MouseEvent('eventType', { button: null }).button is 0
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|  PASS new MouseEvent('eventType', { button: '' }).button is 0
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| 
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