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46 lines
1.3 KiB
Plaintext
46 lines
1.3 KiB
Plaintext
var a = {"one": 1, "two": 2, "three": 3, "four": 4}
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// The precise numeric values aren't defined since they are indexes into the
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// entry table and the hashing process isn't specified. So we just validate
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// what we can assume about them.
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System.print(a.iterate(null) is Num) // expect: true
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System.print(a.iterate(null) >= 0) // expect: true
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System.print(a.iterate(0) is Num) // expect: true
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System.print(a.iterate(0) > 0) // expect: true
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System.print(a.iterate(1) is Num) // expect: true
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System.print(a.iterate(1) > 0) // expect: true
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System.print(a.iterate(2) is Num) // expect: true
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System.print(a.iterate(2) > 0) // expect: true
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System.print(a.iterate(3) is Num) // expect: true
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System.print(a.iterate(3) > 0) // expect: true
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var previous = -1
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var iterator = a.iterate(null)
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while (iterator) {
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System.print(iterator > previous)
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System.print(iterator is Num)
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previous = iterator
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iterator = a.iterate(iterator)
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}
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// First entry:
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// expect: true
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// expect: true
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// Second entry:
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// expect: true
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// expect: true
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// Third entry:
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// expect: true
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// expect: true
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// Fourth entry:
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// expect: true
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// expect: true
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// Out of bounds.
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System.print(a.iterate(16)) // expect: false
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System.print(a.iterate(-1)) // expect: false
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// Nothing to iterate in an empty map.
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System.print({}.iterate(null)) // expect: false
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