mirror of
https://github.com/fish-shell/fish-shell.git
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cdcf460edf
This gave a weird error when you did e.g. `math Foo / 6`: "Missing Operator" and only the "F" marked. Adding an operator here anywhere won't help, so calling this an "Unknown function" is closer to the truth. We also get nicer markings because we know the extent of the identifier.
426 lines
9.2 KiB
Fish
426 lines
9.2 KiB
Fish
#RUN: %fish %s
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# OpenBSD doesn't do hex numbers in str/wcstod (like C99 requires).
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# So let's skip this.
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#REQUIRES: test "$(uname)" != OpenBSD
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# Validate basic expressions
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math 3 / 2
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# CHECK: 1.5
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math 10/6
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# CHECK: 1.666667
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math -s0 10 / 6
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# CHECK: 1
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math 'floor(10 / 6)'
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# CHECK: 1
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math -s3 10/6
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# CHECK: 1.667
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math '10 % 6'
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# CHECK: 4
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math -s0 '10 % 6'
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# CHECK: 4
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math '23 % 7'
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# CHECK: 2
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math --scale=6 '5 / 3 * 0.3'
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# CHECK: 0.5
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math --scale=max '5 / 3'
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# CHECK: 1.666666666666667
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math "7^2"
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# CHECK: 49
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math -1 + 1
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# CHECK: 0
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math '-2 * -2'
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# CHECK: 4
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math 5 \* -2
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# CHECK: -10
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math -- -4 / 2
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# CHECK: -2
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math -- '-4 * 2'
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# CHECK: -8
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# Validate max and min
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math 'max(1,2)'
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math 'min(1,2)'
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# CHECK: 2
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# CHECK: 1
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# Validate some rounding functions
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math 'round(3/2)'
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math 'floor(3/2)'
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math 'ceil(3/2)'
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# CHECK: 2
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# CHECK: 1
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# CHECK: 2
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math 'round(-3/2)'
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math 'floor(-3/2)'
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math 'ceil(-3/2)'
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# CHECK: -2
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# CHECK: -2
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# CHECK: -1
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# Validate some integral computations
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math 1
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math 10
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math 100
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math 1000
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# CHECK: 1
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# CHECK: 10
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# CHECK: 100
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# CHECK: 1000
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math '10^15'
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math '-10^14'
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math '-10^15'
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# CHECK: 1000000000000000
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# CHECK: 100000000000000
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# CHECK: -1000000000000000
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# Floating point operations under x86 without SSE2 have reduced accuracy!
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# This includes both i586 targets and i686 under Debian, where it's patched to remove SSE2.
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# As a result, some floating point tests use regular expressions to loosely match against
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# the shape of the expected result.
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# NB: The i586 case should also pass under other platforms, but not the other way around.
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math "3^0.5^2"
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# CHECK: {{1\.316074|1\.316\d+}}
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math -2^2
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# CHECK: 4
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math -s0 '1.0 / 2.0'
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math -s0 '3.0 / 2.0'
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math -s0 '10^15 / 2.0'
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# CHECK: 0
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# CHECK: 1
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# CHECK: 500000000000000
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# Validate how variables in an expression are handled
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math $x + 1
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set x 1
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math $x + 1
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set x 3
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set y 1.5
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math "-$x * $y"
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math -s0 "-$x * $y"
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# CHECK: 1
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# CHECK: 2
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# CHECK: -4.5
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# CHECK: -4
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# Validate math error reporting
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# NOTE: The leading whitespace for the carets here is ignored
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# by littlecheck.
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not math '2 - '
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# CHECKERR: math: Error: Too few arguments
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# CHECKERR: '2 - '
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# CHECKERR: ^
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not math 'ncr(1)'
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# CHECKERR: math: Error: Too few arguments
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# CHECKERR: 'ncr(1)'
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# CHECKERR: ^
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math "min()"
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# CHECKERR: math: Error: Too few arguments
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# CHECKERR: 'min()'
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# CHECKERR: ^
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# There is no "blah" function.
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not math 'blah()'
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# CHECKERR: math: Error: Unknown function
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# CHECKERR: 'blah()'
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# CHECKERR: ^~~^
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# There is also no "Blah" function.
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not math 'Blah()'
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# CHECKERR: math: Error: Unknown function
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# CHECKERR: 'Blah()'
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# CHECKERR: ^~~^
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math n + 4
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# CHECKERR: math: Error: Unknown function
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# CHECKERR: 'n + 4'
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# CHECKERR: ^
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not math 'sin()'
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# CHECKERR: math: Error: Too few arguments
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# CHECKERR: 'sin()'
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# CHECKERR: ^
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not math '2 + 2 4'
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# CHECKERR: math: Error: Missing operator
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# CHECKERR: '2 + 2 4'
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# This regex to check whitespace - the error appears between the second 2 and the 4!
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# (right after the 2)
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# CHECKERR: {{^}} ^
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printf '<%s>\n' (math '2 + 2 4' 2>&1)
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# CHECK: <math: Error: Missing operator>
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# CHECK: <'2 + 2 4'>
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# CHECK: < ^~~~~^>
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not math '(1 2)'
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# CHECKERR: math: Error: Missing operator
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# CHECKERR: '(1 2)'
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# CHECKERR: ^
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not math '(1 pi)'
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# CHECKERR: math: Error: Missing operator
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# CHECKERR: '(1 pi)'
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# CHECKERR: ^
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not math '(1 pow 1,2)'
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# CHECKERR: math: Error: Missing operator
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# CHECKERR: '(1 pow 1,2)'
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# CHECKERR: ^
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not math
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# CHECKERR: math: expected >= 1 arguments; got 0
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not math -s 12
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# CHECKERR: math: expected >= 1 arguments; got 0
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# XXX FIXME these two should be just "missing argument" errors, the count is not helpful
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not math 2^999999
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# CHECKERR: math: Error: Result is infinite
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# CHECKERR: '2^999999'
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not math 'sqrt(-1)'
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# CHECKERR: math: Error: Result is not a number
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# CHECKERR: 'sqrt(-1)'
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math 'sqrt(-0)'
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# CHECK: -0
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not math 2^53 + 1
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# CHECKERR: math: Error: Result magnitude is too large
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# CHECKERR: '2^53 + 1'
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not math -2^53 - 1
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# CHECKERR: math: Error: Result magnitude is too large
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# CHECKERR: '-2^53 - 1'
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printf '<%s>\n' (not math 1 / 0 2>&1)
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# CHECK: <math: Error: Division by zero>
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# CHECK: <'1 / 0'>
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# CHECK: < ^>
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printf '<%s>\n' (math 1 % 0 - 5 2>&1)
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# CHECK: <math: Error: Division by zero>
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# CHECK: <'1 % 0 - 5'>
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# CHECK: < ^>
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printf '<%s>\n' (math min 1 / 0, 5 2>&1)
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# CHECK: <math: Error: Division by zero>
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# CHECK: <'min 1 / 0, 5'>
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# CHECK: < ^>
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# Validate "x" as multiplier
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math 0x2 # Hex
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math 5 x 4
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math 2x 4
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math 2 x4 # ERROR
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# CHECKERR: math: Error: Unknown function
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# CHECKERR: '2 x4'
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# CHECKERR: ^^
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math 0x 3
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# CHECK: 2
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# CHECK: 20
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# CHECK: 8
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# CHECK: 0
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math "42 >= 1337"
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# CHECKERR: math: Error: Logical operations are not supported, use `test` instead
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# CHECKERR: '42 >= 1337'
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# CHECKERR: ^
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math "bitand(0xFE, 1)"
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# CHECK: 0
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math "bitor(0xFE, 1)"
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# CHECK: 255
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math "bitxor(5, 1)"
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# CHECK: 4
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math "bitand(5.5, 2)"
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# CHECK: 0
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math "bitand(5.5, 1)"
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# CHECK: 1
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math "bitor(37 ^ 5, 255)"
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# CHECK: 69343999
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math 'log 16'
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# CHECK: 1.20412
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math 'log(16'
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# CHECKERR: math: Error: Missing closing parenthesis
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# CHECKERR: 'log(16'
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# CHECKERR: ^
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math '(2'
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# CHECKERR: math: Error: Missing closing parenthesis
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# CHECKERR: '(2'
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# CHECKERR: ^
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math --base=16 255 / 15
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# CHECK: 0x11
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math -bhex 16 x 2
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# CHECK: 0x20
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math --base hex 12 + 0x50
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# CHECK: 0x5c
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math --base hex 0
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# CHECK: 0x0
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math --base hex -1
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# CHECK: -0x1
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math --base hex -15
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# CHECK: -0xf
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math --base hex 'pow(2,40)'
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# CHECK: 0x10000000000
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math --base octal 0
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# CHECK: 0
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math --base octal -1
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# CHECK: -01
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math --base octal -15
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# CHECK: -017
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math --base octal 'pow(2,40)'
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# CHECK: 020000000000000
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math --base octal --scale=0 55
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# CHECK: 067
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math --base notabase
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# CHECKERR: math: notabase: invalid base value
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echo $status
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# CHECK: 2
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math 'log2(8)'
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# CHECK: 3
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# same as sin(cos(2 x pi))
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math sin cos 2 x pi
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# CHECK: 0.841471
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# Inner function binds stronger, so this is interpreted as
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# pow(sin(3,5))
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math pow sin 3, 5
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# CHECKERR: math: Error: Too many arguments
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# CHECKERR: 'pow sin 3, 5'
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# CHECKERR: ^
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math pow sin 3, 5 + 2
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# CHECKERR: math: Error: Too many arguments
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# CHECKERR: 'pow sin 3, 5 + 2'
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# CHECKERR: ^~~~^
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math sin pow 3, 5
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# CHECK: {{-0\.890009|-0.890\d*}}
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math pow 2, cos -pi
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# CHECK: 0.5
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# pow(2*cos(-pi), 2)
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# i.e. 2^2
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# i.e. 4
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math pow 2 x cos'(-pi)', 2
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# CHECK: 4
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# This used to take ages, see #8170.
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# If this test hangs, that's reintroduced!
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math 'ncr(0/0, 1)'
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# CHECKERR: math: Error: Division by zero
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# CHECKERR: 'ncr(0/0, 1)'
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# CHECKERR: ^
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# Variadic functions require at least one argument
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math min
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# CHECKERR: math: Error: Too few arguments
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# CHECKERR: 'min'
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# CHECKERR: ^
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math min 2
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# CHECK: 2
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math min 2, 3, 4, 5, -10, 1
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# CHECK: -10
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# Parentheses are required to disambiguate function call nested in argument list,
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# except when the call is the last argument.
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math 'min 5, 4, 3, ncr 2, 1, 5'
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# CHECKERR: math: Error: Too many arguments
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# CHECKERR: 'min 5, 4, 3, ncr 2, 1, 5'
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# CHECKERR: {{^}} ^
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math 'min 5, 4, 3, ncr(2, 1), 5'
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# CHECK: 2
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math 'min 5, 4, 3, 5, ncr 2, 1'
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# CHECK: 2
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# Variadic function consumes all available arguments,
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# so it is always the last argument unless parenthesised.
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# max(1, 2, min(3, 4, 5))
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math 'max 1, 2, min 3, 4, 5'
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# CHECK: 3
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# max(1, 2, min(3, 4), 5)
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math 'max 1, 2, min(3, 4), 5'
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# CHECK: 5
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math 0_1
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# CHECK: 1
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math 0x0_A
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# CHECK: 10
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math 1_000 + 2_000
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# CHECK: 3000
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math 1_0_0_0
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# CHECK: 1000
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math 0_0.5_0 + 0_1.0_0
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# CHECK: 1.5
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math 2e0_0_2
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# CHECK: 200
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math -0_0.5_0_0E0_0_3
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# CHECK: -500
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math 20e-0_1
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# CHECK: 2
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math 0x0_2.0_0_0P0_2
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# CHECK: 8
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math -0x8p-0_3
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# CHECK: -1
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echo 5 + 6 | math
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# CHECK: 11
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# Historical: If we have arguments on stdin and argv,
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# the former takes precedence and the latter is ignored entirely.
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echo 7 + 6 | math 2 + 2
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# CHECK: 13
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# It isn't checked at all.
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echo 7 + 8 | math not an expression
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# CHECK: 15
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math (string repeat -n 1000 1) 2>| string shorten -m50 --char=""
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# CHECK: math: Error: Number is too large
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# CHECK: '1111111111111111111111111111111111111111111111111
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# CHECK: ^
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math 0x0_2.0P-0x3
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# CHECKERR: math: Error: Unknown function
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# CHECKERR: '0x0_2.0P-0x3'
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# CHECKERR: ^^
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math 0x0_2.0P-f
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# CHECKERR: math: Error: Unexpected token
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# CHECKERR: '0x0_2.0P-f'
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# CHECKERR: ^
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math "22 / 5 - 5"
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# CHECK: -0.6
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math -s 0 --scale-mode=truncate "22 / 5 - 5"
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# CHECK: -0
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math --scale=0 -m truncate "22 / 5 - 5"
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# CHECK: -0
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math -s 0 --scale-mode=floor "22 / 5 - 5"
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# CHECK: -1
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math -s 0 --scale-mode=round "22 / 5 - 5"
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# CHECK: -1
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math -s 0 --scale-mode=ceiling "22 / 5 - 5"
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# CHECK: -0
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math "1 / 3 - 1"
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# CHECK: -0.666667
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math --scale-mode=truncate "1 / 3 - 1"
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# CHECK: -0.666666
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math --scale-mode=floor "1 / 3 - 1"
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# CHECK: {{-0.666667|-0.666668}}
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math --scale-mode=floor "2 / 3 - 1"
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# CHECK: {{-0.333334|-0.333335}}
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math --scale-mode=round "1 / 3 - 1"
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# CHECK: {{-0.666667|-0.666668}}
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math --scale-mode=ceiling "1 / 3 - 1"
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# CHECK: -0.666666
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math --scale-mode=ceiling "2 / 3 - 1"
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# CHECK: -0.333333
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math -s 6 --scale-mode=truncate "1 / 3 - 1"
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# CHECK: -0.666666
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math -s 6 --scale-mode=floor "1 / 3 - 1"
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# CHECK: {{-0.666667|-0.666668}}
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math -s 6 --scale-mode=floor "2 / 3 - 1"
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# CHECK: {{-0.333334|-0.333335}}
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math -s 6 --scale-mode=round "1 / 3 - 1"
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# CHECK: {{-0.666667|-0.666668}}
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math -s 6 --scale-mode=ceiling "1 / 3 - 1"
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# CHECK: -0.666666
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math -s 6 --scale-mode=ceiling "2 / 3 - 1"
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# CHECK: -0.333333
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