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25 lines
843 B
Plaintext
25 lines
843 B
Plaintext
var s = "abçd"
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IO.print(s.iterate(null)) // expect: 0
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IO.print(s.iterate(0)) // expect: 1
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IO.print(s.iterate(1)) // expect: 2
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// Skip 3 because that's the middle of the ç sequence.
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IO.print(s.iterate(2)) // expect: 4
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// Iterating from the middle of a UTF-8 sequence goes to the next one.
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IO.print(s.iterate(3)) // expect: 4
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IO.print(s.iterate(4)) // expect: false
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// Out of bounds.
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IO.print(s.iterate(123)) // expect: false
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IO.print(s.iterate(-1)) // expect: false
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// Nothing to iterate in an empty string.
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IO.print("".iterate(null)) // expect: false
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// 8-bit clean.
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IO.print("a\0b\0c".iterate(null)) // expect: 0
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IO.print("a\0b\0c".iterate(0)) // expect: 1
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IO.print("a\0b\0c".iterate(1)) // expect: 2
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IO.print("a\0b\0c".iterate(2)) // expect: 3
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IO.print("a\0b\0c".iterate(3)) // expect: 4
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IO.print("a\0b\0c".iterate(4)) // expect: false
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