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72 lines
1.2 KiB
V
72 lines
1.2 KiB
V
module datatypes
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fn test_is_empty() {
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mut queue := Queue<int>{}
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assert queue.is_empty() == true
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queue.push(1)
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assert queue.is_empty() == false
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}
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fn test_len() ? {
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mut queue := Queue<int>{}
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assert queue.len() == 0
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queue.push(1)
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assert queue.len() == 1
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queue.pop()?
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assert queue.len() == 0
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}
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fn test_peek() ? {
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mut queue := Queue<int>{}
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queue.push(1)
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assert queue.peek()? == 1
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queue.push(2)
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assert queue.peek()? == 1
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queue = Queue<int>{}
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queue.peek() or { return }
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assert false
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}
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fn test_last() ? {
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mut queue := Queue<int>{}
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queue.push(1)
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assert queue.last()? == 1
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queue.push(2)
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assert queue.last()? == 2
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queue = Queue<int>{}
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queue.last() or { return }
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assert false
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}
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fn test_index() ? {
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mut queue := Queue<int>{}
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queue.push(1)
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assert queue.index(0)? == 1
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queue.push(2)
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assert queue.index(1)? == 2
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queue.pop()?
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queue.index(1) or { return }
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assert false
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}
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fn test_push() ? {
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mut queue := Queue<int>{}
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queue.push(1)
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queue.push(2)
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assert queue.peek()? == 1
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}
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fn test_pop() ? {
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mut queue := Queue<int>{}
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queue.push(1)
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queue.push(2)
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queue.push(3)
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assert queue.pop()? == 1
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queue.push(4)
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assert queue.pop()? == 2
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assert queue.pop()? == 3
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queue = Queue<int>{}
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queue.pop() or { return }
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assert false
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}
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