Add tests for specialised Range iter methods
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@ -1352,6 +1352,38 @@ fn test_range_step() {
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assert_eq!((isize::MIN..isize::MAX).step_by(1).size_hint(), (usize::MAX, Some(usize::MAX)));
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}
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#[test]
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fn test_range_max() {
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assert_eq!((0..100).max(), Some(99));
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assert_eq!((-20..-10).max(), Some(-11));
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assert_eq!((1..1).max(), None);
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}
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#[test]
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fn test_range_from_min() {
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assert_eq!((0..).min(), Some(0));
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assert_eq!((-20..).min(), Some(-20));
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assert_eq!((20..).min(), Some(20));
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}
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#[test]
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fn test_range_inc_last_max() {
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assert_eq!((0..=20).last(), Some(20));
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assert_eq!((-20..=0).last(), Some(0));
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assert_eq!((5..=5).last(), Some(5));
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assert_eq!((0..=20).max(), Some(20));
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assert_eq!((-20..=0).max(), Some(0));
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assert_eq!((5..=5).max(), Some(5));
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}
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#[test]
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fn test_range_inc_min() {
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assert_eq!((0..=20).min(), Some(0));
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assert_eq!((-20..=0).min(), Some(-20));
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assert_eq!((5..=5).min(), Some(5));
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}
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#[test]
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fn test_repeat() {
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let mut it = repeat(42);
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