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fish-shell/tests/checks/math.fish

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Port math test to littlecheck This shows one bit where not trimming whitespace would make sense.
2019-06-26 17:03:04 +00:00
#RUN: %fish %s
# Validate basic expressions
math 3 / 2
# CHECK: 1.5
math 10/6
# CHECK: 1.666667
math -s0 10 / 6
# CHECK: 1
math 'floor(10 / 6)'
# CHECK: 1
math -s3 10/6
# CHECK: 1.667
math '10 % 6'
# CHECK: 4
math -s0 '10 % 6'
# CHECK: 4
math '23 % 7'
# CHECK: 2
math --scale=6 '5 / 3 * 0.3'
# CHECK: 0.5
math --scale=max '5 / 3'
# CHECK: 1.666666666666667
math "7^2"
# CHECK: 49
math -1 + 1
# CHECK: 0
math '-2 * -2'
# CHECK: 4
math 5 \* -2
# CHECK: -10
math -- -4 / 2
# CHECK: -2
math -- '-4 * 2'
# CHECK: -8
Add max and min math functions
2021-03-28 15:58:41 +00:00
# Validate max and min
math 'max(1,2)'
math 'min(1,2)'
# CHECK: 2
# CHECK: 1
Port math test to littlecheck This shows one bit where not trimming whitespace would make sense.
2019-06-26 17:03:04 +00:00
# Validate some rounding functions
Run fish_indent on all our fish scripts It's now good enough to do so. We don't allow grid-alignment: ```fish complete -c foo -s b -l barnanana -a '(something)' complete -c foo -s z -a '(something)' ``` becomes ```fish complete -c foo -s b -l barnanana -a '(something)' complete -c foo -s z -a '(something)' ``` It's just more trouble than it is worth. The one part I'd change: We align and/or'd parts of an if-condition with the in-block code: ```fish if true and false dosomething end ``` becomes ```fish if true and false dosomething end ``` but it's not used terribly much and if we ever fix it we can just reindent.
2020-01-13 19:34:22 +00:00
math 'round(3/2)'
math 'floor(3/2)'
math 'ceil(3/2)'
Port math test to littlecheck This shows one bit where not trimming whitespace would make sense.
2019-06-26 17:03:04 +00:00
# CHECK: 2
# CHECK: 1
# CHECK: 2
Run fish_indent on all our fish scripts It's now good enough to do so. We don't allow grid-alignment: ```fish complete -c foo -s b -l barnanana -a '(something)' complete -c foo -s z -a '(something)' ``` becomes ```fish complete -c foo -s b -l barnanana -a '(something)' complete -c foo -s z -a '(something)' ``` It's just more trouble than it is worth. The one part I'd change: We align and/or'd parts of an if-condition with the in-block code: ```fish if true and false dosomething end ``` becomes ```fish if true and false dosomething end ``` but it's not used terribly much and if we ever fix it we can just reindent.
2020-01-13 19:34:22 +00:00
math 'round(-3/2)'
math 'floor(-3/2)'
math 'ceil(-3/2)'
Port math test to littlecheck This shows one bit where not trimming whitespace would make sense.
2019-06-26 17:03:04 +00:00
# CHECK: -2
# CHECK: -2
# CHECK: -1
# Validate some integral computations
math 1
math 10
math 100
math 1000
# CHECK: 1
# CHECK: 10
# CHECK: 100
# CHECK: 1000
math '10^15'
math '-10^14'
math '-10^15'
# CHECK: 1000000000000000
# CHECK: 100000000000000
# CHECK: -1000000000000000
Fixes #6280 : Added right associativity to 'pow' function
2019-11-09 05:54:33 +00:00
math 3^0.5^2
math -2^2
# CHECK: 1.316074
# CHECK: 4
Port math test to littlecheck This shows one bit where not trimming whitespace would make sense.
2019-06-26 17:03:04 +00:00
math -s0 '1.0 / 2.0'
math -s0 '3.0 / 2.0'
math -s0 '10^15 / 2.0'
# CHECK: 0
# CHECK: 1
# CHECK: 500000000000000
# Validate how variables in an expression are handled
math $x + 1
set x 1
math $x + 1
set x 3
set y 1.5
math "-$x * $y"
math -s0 "-$x * $y"
# CHECK: 1
# CHECK: 2
# CHECK: -4.5
# CHECK: -4
# Validate math error reporting
# NOTE: The leading whitespace for the carets here is ignored
# by littlecheck.
not math '2 - '
# CHECKERR: math: Error: Too few arguments
# CHECKERR: '2 - '
# CHECKERR: ^
not math 'ncr(1)'
# CHECKERR: math: Error: Too few arguments
# CHECKERR: 'ncr(1)'
# CHECKERR: ^
math: Don't override errors with "unexpected token" As always, we want to give the most specific error we can. Fixes #7508
2020-11-26 11:35:56 +00:00
Add max and min math functions
2021-03-28 15:58:41 +00:00
# There is no "blah" function.
not math 'blah()'
math: Don't override errors with "unexpected token" As always, we want to give the most specific error we can. Fixes #7508
2020-11-26 11:35:56 +00:00
# CHECKERR: math: Error: Unknown function
Add max and min math functions
2021-03-28 15:58:41 +00:00
# CHECKERR: 'blah()'
Port math test to littlecheck This shows one bit where not trimming whitespace would make sense.
2019-06-26 17:03:04 +00:00
# CHECKERR: ^
math: Don't override errors with "unexpected token" As always, we want to give the most specific error we can. Fixes #7508
2020-11-26 11:35:56 +00:00
math n + 4
# CHECKERR: math: Error: Unknown function
# CHECKERR: 'n + 4'
# CHECKERR: ^
Port math test to littlecheck This shows one bit where not trimming whitespace would make sense.
2019-06-26 17:03:04 +00:00
not math 'sin()'
# CHECKERR: math: Error: Too few arguments
# CHECKERR: 'sin()'
# CHECKERR: ^
not math '2 + 2 4'
# CHECKERR: math: Error: Too many arguments
# CHECKERR: '2 + 2 4'
# CHECKERR: ^
not math
builtins: Use standard builtin.h error macros more
2019-09-18 05:00:08 +00:00
# CHECKERR: math: Expected at least 1 args, got 0
Port math test to littlecheck This shows one bit where not trimming whitespace would make sense.
2019-06-26 17:03:04 +00:00
not math -s 12
builtins: Use standard builtin.h error macros more
2019-09-18 05:00:08 +00:00
# CHECKERR: math: Expected at least 1 args, got 0
Port math test to littlecheck This shows one bit where not trimming whitespace would make sense.
2019-06-26 17:03:04 +00:00
not math 2^999999
# CHECKERR: math: Error: Result is infinite
# CHECKERR: '2^999999'
not math 1 / 0
# CHECKERR: math: Error: Result is infinite
# CHECKERR: '1 / 0'
# Validate "x" as multiplier
math 0x2 # Hex
math 5 x 4
math 2x 4
math 2 x4 # ERROR
math: Complain about unknown *function*, not *variable* We removed variables from tinyexpr, so we shouldn't use that error.
2020-01-30 20:46:22 +00:00
# CHECKERR: math: Error: Unknown function
Port math test to littlecheck This shows one bit where not trimming whitespace would make sense.
2019-06-26 17:03:04 +00:00
# CHECKERR: '2 x4'
# CHECKERR: ^
math 0x 3
# CHECK: 2
# CHECK: 20
# CHECK: 8
# CHECK: 0
math: Print special error for logical operators Until now, something like `math '7 = 2'` would complain about a "missing" operator. Now we print an error about logical operators not being supported and point the user towards `test`. Fixes #6096
2019-11-01 07:40:56 +00:00
math "42 >= 1337"
# CHECKERR: math: Error: Logical operations are not supported, use `test` instead
# CHECKERR: '42 >= 1337'
# CHECKERR: ^
math: Add bitwise and/or functions Just as `math "bitand(5,3)"` and `math "bitor(6,2)"`. These cast to long long before doing their thing, so they truncate to an integer, producing weird results with floats. That's to be expected because float representation is *very* different, and performing bitwise operations on floats feels quite useless. Fixes #7281.
2020-08-25 14:45:31 +00:00
math "bitand(0xFE, 1)"
# CHECK: 0
math "bitor(0xFE, 1)"
# CHECK: 255
math "bitxor(5, 1)"
# CHECK: 4
math "bitand(5.5, 2)"
# CHECK: 0
math "bitand(5.5, 1)"
# CHECK: 1
math "bitor(37 ^ 5, 255)"
# CHECK: 69343999
math: Actually report closing paren error This was typically overridden by "too many/few arguments", but it's actually incorrect: sin(55 has the correct number of arguments to `sin`, but it's lacking the closing `)`.
2020-10-25 20:28:49 +00:00
math 'log 16'
math: Make function parentheses optional (#7877) * math: Make function parentheses optional It's a bit annoying to use parentheses here because that requires quoting or escaping. This allows the parens to be omitted, so math sin pi is the same as math 'sin(pi)' Function calls have the lowest precedence, so math sin 2 + 6 is the same as math 'sin(2 + 6)' * Add more tests * Add a note to the docs * even moar docs Moar docca * moar tests Call me Nikola Testla
2021-03-30 15:21:28 +00:00
# CHECK: 1.20412
math: Actually report closing paren error This was typically overridden by "too many/few arguments", but it's actually incorrect: sin(55 has the correct number of arguments to `sin`, but it's lacking the closing `)`.
2020-10-25 20:28:49 +00:00
math 'log(16'
# CHECKERR: math: Error: Missing closing parenthesis
# CHECKERR: 'log(16'
# CHECKERR: ^
math: Add --base option Currently a bit limited, unfortunately printf's `%a` specifier is absolutely unreadable. So we add `hex` and `octal` with `0x` and `0` prefixes respectively, and also take a number but currently only allow 16 and 8. The output is truncated to integer, so scale values other than 0 are invalid and 0 is implied. The docs mention this may change.
2020-10-07 17:03:19 +00:00
math --base=16 255 / 15
# CHECK: 0x11
math -bhex 16 x 2
# CHECK: 0x20
math --base hex 12 + 0x50
# CHECK: 0x5c
math --base octal --scale=0 55
# CHECK: 067
math --base notabase
# CHECKERR: math: 'notabase' is not a valid base value
echo $status
# CHECK: 2
math: Add log2 This was already in the documentation as an example, now it is actually working. Fixes #7734
2021-02-21 07:48:38 +00:00
math 'log2(8)'
# CHECK: 3
math: Make function parentheses optional (#7877) * math: Make function parentheses optional It's a bit annoying to use parentheses here because that requires quoting or escaping. This allows the parens to be omitted, so math sin pi is the same as math 'sin(pi)' Function calls have the lowest precedence, so math sin 2 + 6 is the same as math 'sin(2 + 6)' * Add more tests * Add a note to the docs * even moar docs Moar docca * moar tests Call me Nikola Testla
2021-03-30 15:21:28 +00:00
# same as sin(cos(2 x pi))
math sin cos 2 x pi
# CHECK: 0.841471
# Inner function binds stronger, so this is interpreted as
# pow(sin(3,5))
math pow sin 3, 5
# CHECKERR: math: Error: Too many arguments
# CHECKERR: 'pow sin 3, 5'
# CHECKERR: ^
math sin pow 3, 5
# CHECK: -0.890009
math pow 2, cos -pi
# CHECK: 0.5
# pow(2*cos(-pi), 2)
# i.e. 2^2
# i.e. 4
math pow 2 x cos'(-pi)', 2
# CHECK: 4
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