36db80d45f
arrayComputed was added recently in order to make array computations easier. Using arrayComputed we can improve LimitedArray which now uses an isolated multipurpose Ember.computed.limit.
49 lines
1.3 KiB
CoffeeScript
49 lines
1.3 KiB
CoffeeScript
module 'Travis.LimitedArray'
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test 'limits given content', ->
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content = [1, 2, 3]
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array = Travis.LimitedArray.create content: content, limit: 2
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equal( array.get('length'), 2 )
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deepEqual( array.toArray(), [1, 2] )
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test 'inserts content at the right place when unshifting', ->
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content = [1, 2, 3]
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array = Travis.LimitedArray.create content: content, limit: 2
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content.unshiftObject 0
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equal( array.get('length'), 2 )
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deepEqual( array.toArray(), [0, 1] )
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test 'does not insert content when it\'s inserted not in the limited range', ->
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content = [1, 2, 3]
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array = Travis.LimitedArray.create content: content, limit: 2
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content.pushObject 0
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equal( array.get('length'), 2 )
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deepEqual( array.toArray(), [1, 2] )
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test 'properly removes items', ->
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content = [1, 2, 3]
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array = Travis.LimitedArray.create content: content, limit: 2
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content.shiftObject()
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equal( array.get('length'), 2 )
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deepEqual( array.toArray(), [2, 3] )
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content.shiftObject()
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equal( array.get('length'), 1 )
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deepEqual( array.toArray(), [3] )
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content.shiftObject()
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equal( array.get('length'), 0)
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test 'allows to expand array to show all items', ->
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content = [1, 2, 3]
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array = Travis.LimitedArray.create content: content, limit: 2
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Ember.run ->
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array.showAll()
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equal( array.get('length'), 3)
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deepEqual( array.toArray(), [1, 2, 3])
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