48 lines
803 B
CoffeeScript
48 lines
803 B
CoffeeScript
# CoffeeScript's operations should be chainable, like Python's.
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ok 500 > 50 > 5 > -5
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ok true is not false is true is not false
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ok 0 is 0 isnt 50 is 50
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ok 10 < 20 > 10
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ok 50 > 10 > 5 is parseInt('5', 10)
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# Make sure that each argument is only evaluated once, even if used
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# more than once.
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i: 0
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func: -> i++
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ok 1 > func() < 1
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# `:` and `=` should be interchangeable, as should be `==` and `is`.
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a: 1
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b: 1
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ok a is 1 and b is 1
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ok a == b
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ok a is b
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# Ensure that chained operations don't cause functions to be evaluated more
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# than once.
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val: 0
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func: -> val: + 1
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ok 2 > (func null) < 2
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ok val is 1
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# Allow "if x not in y"
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obj: {a: true}
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ok 'a' of obj
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ok 'b' not of obj
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# And for "a in b" with array presence.
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ok 100 in [100, 200, 300]
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array: [100, 200, 300]
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ok 100 in array
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ok 1 not in array |