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28 lines
1.3 KiB
CoffeeScript
28 lines
1.3 KiB
CoffeeScript
Point = require 'point'
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describe "Point", ->
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describe ".isEqual(value)", ->
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describe "when given value is a Point", ->
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it "returns true when the rows and columns match", ->
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expect(new Point(1,2)).toEqual new Point(1,2)
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expect(new Point(2,1)).not.toEqual new Point(1,2)
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describe "when given value is an Array", ->
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it "returns true only when index zero matches row and index one matches column", ->
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expect(new Point(1,2)).toEqual [1,2]
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expect(new Point(2,1)).not.toEqual [1,2]
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describe "when one of the points has a row or column that is NaN", ->
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it "returns false", ->
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expect(new Point(1, 3)).not.toEqual new Point(NaN, 3)
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expect(new Point(1, 3)).not.toEqual new Point(1, NaN)
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describe "compare", ->
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it "returns 1, 0, or -1 based on whether the given point precedes, equals, or follows the receivers location in the buffer", ->
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expect(new Point(5, 0).compare(new Point(5, 0))).toBe 0
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expect(new Point(5, 0).compare(new Point(6, 0))).toBe -1
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expect(new Point(5, 0).compare(new Point(5, 1))).toBe -1
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expect(new Point(5, 0).compare(new Point(6, 1))).toBe -1
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expect(new Point(5, 5).compare(new Point(4, 1))).toBe 1
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expect(new Point(5, 5).compare(new Point(5, 3))).toBe 1
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