| 1 | ## oils_failures_allowed: 1
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| 2 |
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| 3 | # Test a[1]
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| 4 |
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| 5 | #### precedence of 1:3 vs comparison
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| 6 |
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| 7 | # This test exposed nondeterminism in CPython itself! Gah. Is this because of
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| 8 | # the hashing?
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| 9 | # Python xrange objects probably shouldn't even be comparable!
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| 10 | #
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| 11 | # = 1..3 < 1..4
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| 12 | # >>> xrange(1,3) < xrange(1,4)
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| 13 | # False
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| 14 | # >>> xrange(1,3) < xrange(1,4)
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| 15 | # True
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| 16 |
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| 17 | = 1..3
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| 18 |
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| 19 | ## STDOUT:
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| 20 | (Range 1 .. 3)
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| 21 | ## END
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| 22 |
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| 23 | #### precedence of 1:3 vs bitwise operator
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| 24 | = 3..3|4
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| 25 | ## STDOUT:
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| 26 | (Range 3 .. 7)
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| 27 | ## END
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| 28 |
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| 29 | #### subscript and slice :| 1 2 3 4 |
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| 30 | var myarray = :|1 2 3 4|
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| 31 | pp test_ (myarray[1])
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| 32 | pp test_ (myarray[1:3])
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| 33 |
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| 34 | echo 'implicit'
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| 35 | pp test_ (myarray[:2])
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| 36 | pp test_ (myarray[2:])
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| 37 |
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| 38 | echo 'out of bounds'
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| 39 | pp test_ (myarray[:5])
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| 40 | pp test_ (myarray[-5:])
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| 41 |
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| 42 | # Stride not supported
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| 43 | #= myarray[1:4:2]
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| 44 |
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| 45 | # Now try omitting some
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| 46 | #= myarray[1:4:2]
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| 47 | ## STDOUT:
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| 48 | (Str) "2"
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| 49 | (List) ["2","3"]
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| 50 | implicit
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| 51 | (List) ["1","2"]
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| 52 | (List) ["3","4"]
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| 53 | out of bounds
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| 54 | (List) ["1","2","3","4"]
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| 55 | (List) ["1","2","3","4"]
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| 56 | ## END
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| 57 |
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| 58 | #### Range end points can be int-looking Strings
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| 59 |
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| 60 | pp test_ (list('3' .. '6'))
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| 61 |
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| 62 | var i = '5'
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| 63 |
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| 64 | pp test_ (list(i .. 7))
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| 65 | pp test_ (list(3 .. i))
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| 66 |
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| 67 | var i = '-5'
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| 68 |
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| 69 | pp test_ (list(i .. -3))
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| 70 | pp test_ (list(-7 .. i))
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| 71 |
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| 72 | # Not allowed
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| 73 | pp test_ ('a' .. 'z')
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| 74 |
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| 75 | ## status: 3
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| 76 | ## STDOUT:
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| 77 | (List) [3,4,5]
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| 78 | (List) [5,6]
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| 79 | (List) [3,4]
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| 80 | (List) [-5,-4]
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| 81 | (List) [-7,-6]
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| 82 | ## END
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| 83 |
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| 84 | #### Slice indices can be int-looking strings
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| 85 |
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| 86 | var a = list(0..10)
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| 87 | #pp test_ (a)
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| 88 |
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| 89 | pp test_ (a['3': '6'])
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| 90 |
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| 91 | var i = '5'
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| 92 |
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| 93 | pp test_ (a[i : 7])
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| 94 | pp test_ (a[3 : i])
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| 95 |
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| 96 | var i = '-5'
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| 97 |
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| 98 | pp test_ (a[i : -3])
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| 99 | pp test_ (a[-7 : i])
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| 100 |
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| 101 | # Not allowed
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| 102 | pp test_ (a['a' : 'z'])
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| 103 |
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| 104 | ## status: 3
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| 105 | ## STDOUT:
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| 106 | (List) [3,4,5]
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| 107 | (List) [5,6]
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| 108 | (List) [3,4]
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| 109 | (List) [5,6]
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| 110 | (List) [3,4]
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| 111 | ## END
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| 112 |
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| 113 |
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| 114 | #### slice subscripts are adjusted like Python
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| 115 |
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| 116 | show-py() {
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| 117 | python3 -c '
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| 118 | import json, sys; a = [1, 2, 3, 4, 5]; print(json.dumps(eval(sys.argv[1])))' $1
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| 119 | }
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| 120 |
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| 121 | show-ysh() {
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| 122 | eval "var a = [1, 2, 3, 4, 5]; json write ($1, space=0)"
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| 123 | }
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| 124 |
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| 125 | compare() {
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| 126 | local expr=$1
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| 127 | show-py "$1" | sed 's/ //g'
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| 128 | show-ysh "$1"
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| 129 | echo
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| 130 | }
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| 131 |
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| 132 | compare 'a[1:3]'
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| 133 | compare 'a[1:100]' # big number
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| 134 | compare 'a[100:1]' # inverted
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| 135 | compare 'a[1:-1]'
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| 136 | compare 'a[-3:-1]'
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| 137 | compare 'a[-100:-1]' # very negative
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| 138 | compare 'a[-1:-100]' # inverted
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| 139 | compare 'a[4:5]'
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| 140 |
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| 141 | ## STDOUT:
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| 142 | [2,3]
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| 143 | [2,3]
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| 144 |
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| 145 | [2,3,4,5]
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| 146 | [2,3,4,5]
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| 147 |
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| 148 | []
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| 149 | []
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| 150 |
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| 151 | [2,3,4]
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| 152 | [2,3,4]
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| 153 |
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| 154 | [3,4]
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| 155 | [3,4]
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| 156 |
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| 157 | [1,2,3,4]
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| 158 | [1,2,3,4]
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| 159 |
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| 160 | []
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| 161 | []
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| 162 |
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| 163 | [5]
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| 164 | [5]
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| 165 |
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| 166 | ## END
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| 167 |
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| 168 |
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| 169 | #### subscript and slice of List
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| 170 | var mylist = [1,2,3,4]
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| 171 | pp test_ (mylist[1])
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| 172 | pp test_ (mylist[1:3])
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| 173 |
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| 174 | echo 'implicit'
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| 175 | pp test_ (mylist[:2])
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| 176 | pp test_ (mylist[2:])
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| 177 | ## STDOUT:
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| 178 | (Int) 2
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| 179 | (List) [2,3]
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| 180 | implicit
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| 181 | (List) [1,2]
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| 182 | (List) [3,4]
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| 183 | ## END
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| 184 |
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| 185 | #### expressions and negative indices
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| 186 | var myarray = :|1 2 3 4 5|
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| 187 | pp test_ (myarray[-1])
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| 188 | pp test_ (myarray[-4:-2])
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| 189 |
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| 190 | echo 'implicit'
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| 191 | pp test_ (myarray[:-2])
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| 192 | pp test_ (myarray[-2:])
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| 193 | ## STDOUT:
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| 194 | (Str) "5"
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| 195 | (List) ["2","3"]
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| 196 | implicit
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| 197 | (List) ["1","2","3"]
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| 198 | (List) ["4","5"]
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| 199 | ## END
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| 200 |
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| 201 | #### Index with expression
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| 202 | var mydict = {['5']: 3}
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| 203 | var val = mydict["$[2+3]"]
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| 204 | echo $val
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| 205 | ## STDOUT:
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| 206 | 3
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| 207 | ## END
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| 208 |
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| 209 | #### Copy with a[:]
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| 210 | var a = [1,2,3]
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| 211 | var b = a[:]
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| 212 | pp test_ (b)
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| 213 | ## STDOUT:
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| 214 | (List) [1,2,3]
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| 215 | ## END
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| 216 |
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| 217 | #### Iterate over range
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| 218 | for i in (1..5) {
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| 219 | echo $[i]
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| 220 | }
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| 221 | for i, n in (1..4) {
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| 222 | echo "$[i], $[n]"
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| 223 | }
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| 224 | ## STDOUT:
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| 225 | 1
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| 226 | 2
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| 227 | 3
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| 228 | 4
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| 229 | 0, 1
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| 230 | 1, 2
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| 231 | 2, 3
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| 232 | ## END
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| 233 |
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| 234 | #### Loops over bogus ranges terminate
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| 235 | # Regression test for bug found during dev. Loops over backwards ranges should
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| 236 | # terminate immediately.
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| 237 | for i in (5..1) {
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| 238 | echo $[i]
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| 239 | }
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| 240 | ## STDOUT:
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| 241 | ## END
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| 242 |
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| 243 | #### Slices with Multiple Dimensions (for TSV8?)
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| 244 |
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| 245 | qtt pretty :mytable <<< '''
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| 246 | name age:Int
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| 247 | alice 42
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| 248 | bob 31
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| 249 | carol 20
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| 250 | '''
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| 251 |
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| 252 | # Cut off the first two rows
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| 253 | var t1 = mytable[2:, :]
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| 254 | = t1
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| 255 |
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| 256 | var t2 = mytable[:2, 3:4]
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| 257 | = t2
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| 258 |
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| 259 | var t3 = mytable[:2, %(name age)]
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| 260 | = t3
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| 261 |
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| 262 | ## STDOUT:
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| 263 | (Str) 'TODO: Table Slicing'
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| 264 | (Str) 'TODO: Table Slicing'
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| 265 | ## END
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