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"{ Package: 'stx:goodies/regression' }"
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"{ NameSpace: RegressionTests }"
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TestCase subclass:#ImageTests
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instanceVariableNames:''
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classVariableNames:''
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poolDictionaries:''
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category:'tests-Regression'
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!
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!ImageTests class methodsFor:'documentation'!
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documentation
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"
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Tests for the image classes in libview, i.e. Image,
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Depth1Image, Depth2Image, etc.
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[author:]
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mawalch
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[instance variables:]
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[class variables:]
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[see also:]
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"
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! !
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!ImageTests methodsFor:'tests'!
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test01_PixelValue1
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|img|
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img := Image extent:1@1 depth:24.
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img photometric:#rgb. "/ that is: ignored,r,g,b
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img createPixelStore.
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self assert:(img bits at:1) == 0.
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self assert:(img bits at:2) == 0.
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self assert:(img bits at:3) == 0.
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img pixelAtX:0 y:0 put:16rFF0000.
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self assert:(img bits at:1) == 16rFF.
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self assert:(img bits at:2) == 0.
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self assert:(img bits at:3) == 0.
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"/ ----------------------------------
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img := Image extent:1@1 depth:32.
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img photometric:#rgb. "/ that is: ignored,r,g,b
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img createPixelStore.
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self assert:(img bits at:1) == 0.
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self assert:(img bits at:2) == 0.
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self assert:(img bits at:3) == 0.
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self assert:(img bits at:4) == 0.
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img pixelAtX:0 y:0 put:16rFF0000.
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self assert:(img bits at:1) == 0.
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self assert:(img bits at:2) == 16rFF.
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self assert:(img bits at:3) == 0.
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self assert:(img bits at:4) == 0.
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"Created: / 22-08-2017 / 18:43:04 / cg"
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!
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test02_PixelColor
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|img|
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img := Image extent:1@1 depth:24.
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img photometric:#rgb. "/ that is: ignored,r,g,b
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img createPixelStore.
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self assert:(img bits at:1) == 0.
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self assert:(img bits at:2) == 0.
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self assert:(img bits at:3) == 0.
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img colorAtX:0 y:0 put:(Color red).
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self assert:(img bits at:1) == 16rFF.
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self assert:(img bits at:2) == 0.
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self assert:(img bits at:3) == 0.
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"/ ----------------------------------
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img := Image extent:1@1 depth:32.
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img photometric:#rgb. "/ that is: ignored,r,g,b
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img createPixelStore.
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self assert:(img bits at:1) == 0.
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self assert:(img bits at:2) == 0.
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self assert:(img bits at:3) == 0.
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self assert:(img bits at:4) == 0.
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img colorAtX:0 y:0 put:(Color red).
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self assert:(img bits at:1) == 0. "/ alpha - ignored and 0
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self assert:(img bits at:2) == 16rFF. "/ red
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self assert:(img bits at:3) == 0.
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self assert:(img bits at:4) == 0.
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img colorAtX:0 y:0 put:(Color green).
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self assert:(img bits at:1) == 0. "/ alpha - ignored and 0
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self assert:(img bits at:2) == 0.
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self assert:(img bits at:3) == 16rFF. "/ green
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self assert:(img bits at:4) == 0.
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img colorAtX:0 y:0 put:(Color blue).
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self assert:(img bits at:1) == 0. "/ alpha - ignored and 0
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self assert:(img bits at:2) == 0.
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self assert:(img bits at:3) == 0.
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self assert:(img bits at:4) == 16rFF. "/ blue
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"/ ----------------------------------
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img := Image extent:1@1 depth:32.
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img photometric:#rgba.
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img createPixelStore.
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img colorAtX:0 y:0 put:(Color red).
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self assert:(img bits at:1) == 16rFF. "/ red
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self assert:(img bits at:2) == 0. "/ green
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self assert:(img bits at:3) == 0. "/ blue
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self assert:(img bits at:4) == 16rFF. "/ alpha
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img colorAtX:0 y:0 put:(Color green).
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self assert:(img bits at:1) == 0. "/ red
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self assert:(img bits at:2) == 16rFF. "/ green
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self assert:(img bits at:3) == 0. "/ blue
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self assert:(img bits at:4) == 16rFF. "/ alpha
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img colorAtX:0 y:0 put:(Color blue).
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self assert:(img bits at:1) == 0. "/ red
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self assert:(img bits at:2) == 0. "/ green
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self assert:(img bits at:3) == 16rFF. "/ blue
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self assert:(img bits at:4) == 16rFF. "/ alpha
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"/ ----------------------------------
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img := Image extent:1@1 depth:32.
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img photometric:#argb.
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img createPixelStore.
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img colorAtX:0 y:0 put:(Color red).
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self assert:(img bits at:1) == 16rFF. "/ alpha
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self assert:(img bits at:2) == 16rFF. "/ red
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self assert:(img bits at:3) == 0. "/ green
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self assert:(img bits at:4) == 0. "/ blue
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img colorAtX:0 y:0 put:(Color green).
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self assert:(img bits at:1) == 16rFF. "/ alpha
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self assert:(img bits at:2) == 0. "/ red
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self assert:(img bits at:3) == 16rFF. "/ green
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self assert:(img bits at:4) == 0. "/ blue
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img colorAtX:0 y:0 put:(Color blue).
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self assert:(img bits at:1) == 16rFF. "/ alpha
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self assert:(img bits at:2) == 0. "/ red
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self assert:(img bits at:3) == 0. "/ green
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self assert:(img bits at:4) == 16rFF. "/ blue
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"Created: / 22-08-2017 / 18:46:14 / cg"
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!
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test09_FillRectangle
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|depths colors rectangle|
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depths := { 16 . 24 . 32 }.
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colors := {
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Color red.
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Color green.
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Color blue.
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Color white.
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Color black
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}.
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rectangle := Rectangle left:0 top:0 width:1 height:1.
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depths do:[:depth |
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|img|
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img := Image extent:1 @ 1 depth:depth.
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img createPixelStore.
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colors do:[:color |
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img fillRectangle:rectangle withColor:color.
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self assert:((img colorAt:0 @ 0) = color).
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].
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].
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"Created: / 22-08-2017 / 18:45:44 / cg"
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!
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test10_FillRectangle_palette
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|img depths colors rectangle|
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depths := { 2 . 4 . 8 }.
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colors := {
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Color red.
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Color green.
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Color blue.
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Color white.
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}.
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rectangle := Rectangle left:0 top:0 width:1 height:1.
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depths do:[:depth |
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img := Image extent:1 @ 1 depth:depth.
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img photometric:#palette.
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img colorMap:colors.
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img createPixelStore.
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colors do:[:color |
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img fillRectangle:rectangle withColor:color.
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self assert:((img colorAt:0 @ 0) = color).
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].
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].
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colors := {
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Color red.
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Color green.
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}.
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img := Image extent:1 @ 1 depth:1.
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img photometric:#palette.
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img colorMap:colors.
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img createPixelStore.
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colors do:[:color |
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img fillRectangle:rectangle withColor:color.
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self assert:((img colorAt:0 @ 0) = color).
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].
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"Created: / 22-08-2017 / 18:57:19 / cg"
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! !
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!ImageTests class methodsFor:'documentation'!
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version
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^ '$Header$'
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!
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version_CVS
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^ '$Header$'
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! !
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