78 lines
1.4 KiB
CoffeeScript
78 lines
1.4 KiB
CoffeeScript
# Array Literals
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# --------------
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# * Array Literals
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# * Splats in Array Literals
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# TODO: add indexing and method invocation tests: [1][0] is 1, [].toString()
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test "trailing commas", ->
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trailingComma = [1, 2, 3,]
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ok (trailingComma[0] is 1) and (trailingComma[2] is 3) and (trailingComma.length is 3)
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trailingComma = [
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1, 2, 3,
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4, 5, 6
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7, 8, 9,
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]
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(sum = (sum or 0) + n) for n in trailingComma
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a = [((x) -> x), ((x) -> x * x)]
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ok a.length is 2
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test "incorrect indentation without commas", ->
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result = [['a']
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{b: 'c'}]
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ok result[0][0] is 'a'
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ok result[1]['b'] is 'c'
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# Splats in Array Literals
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test "array splat expansions with assignments", ->
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nums = [1, 2, 3]
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list = [a = 0, nums..., b = 4]
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eq 0, a
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eq 4, b
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arrayEq [0,1,2,3,4], list
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test "mixed shorthand objects in array lists", ->
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arr = [
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a:1
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'b'
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c:1
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]
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ok arr.length is 3
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ok arr[2].c is 1
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arr = [b: 1, a: 2, 100]
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eq arr[1], 100
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arr = [a:0, b:1, (1 + 1)]
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eq arr[1], 2
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arr = [a:1, 'a', b:1, 'b']
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eq arr.length, 4
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eq arr[2].b, 1
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eq arr[3], 'b'
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test "array splats with nested arrays", ->
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nonce = {}
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a = [nonce]
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list = [1, 2, a...]
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eq list[0], 1
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eq list[2], nonce
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a = [[nonce]]
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list = [1, 2, a...]
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arrayEq list, [1, 2, [nonce]]
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test "#1274: `[] = a()` compiles to `false` instead of `a()`", ->
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a = false
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fn = -> a = true
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[] = fn()
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ok a
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