factor/contrib/parser-combinators/tests.factor

153 lines
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Factor

! Copyright (C) 2005 Chris Double.
! See http://factorcode.org/license.txt for BSD license.
!
USING: kernel lazy-lists test errors strings parser math sequences parser-combinators arrays ;
IN: scratchpad
! Testing <&>
[ { T{ parse-result f { "a" "b" } T{ slice f "abcd" 2 4 } } } ] [
"abcd" "a" token "b" token <&> parse list>array
] unit-test
[ { T{ parse-result f { { "a" "b" } "c" } T{ slice f "abcd" 3 4 } } } ] [
"abcd" "a" token "b" token <&> "c" token <&> parse list>array
] unit-test
[ { T{ parse-result f { "a" { "b" "c" } } T{ slice f "abcd" 3 4 } } } ] [
"abcd" "a" token "b" token "c" token <&> <&> parse list>array
] unit-test
[ { } ] [
"decd" "a" token "b" token <&> parse list>array
] unit-test
[ { } ] [
"dbcd" "a" token "b" token <&> parse list>array
] unit-test
[ { } ] [
"adcd" "a" token "b" token <&> parse list>array
] unit-test
! Testing <|>
[ { T{ parse-result f "a" T{ slice f "abcd" 1 4 } } } ] [
"abcd" "a" token "b" token <|> parse list>array
] unit-test
[ { T{ parse-result f "b" T{ slice f "bbcd" 1 4 } } } ] [
"bbcd" "a" token "b" token <|> parse list>array
] unit-test
[ { } ] [
"cbcd" "a" token "b" token <|> parse list>array
] unit-test
! Testing sp
[ { } ] [
" abcd" "a" token parse list>array
] unit-test
[ { T{ parse-result f "a" T{ slice f " abcd" 3 6 } } } ] [
" abcd" "a" token sp parse list>array
] unit-test
! Testing just
[ { T{ parse-result f "abcd" T{ slice f "abcd" 4 4 } } T{ parse-result f "abc" T{ slice f "abcd" 3 4 } } } ] [
"abcd" "abcd" token "abc" token <|> parse list>array
] unit-test
[ { T{ parse-result f "abcd" T{ slice f "abcd" 4 4 } } } ] [
"abcd" "abcd" token "abc" token <|> just parse list>array
] unit-test
! Testing <@
[ { T{ parse-result f 48 T{ slice f "01234" 1 5 } } } ] [
"01234" [ digit? ] satisfy parse list>array
] unit-test
[ { T{ parse-result f 0 T{ slice f "01234" 1 5 } } } ] [
"01234" [ digit? ] satisfy [ digit> ] <@ parse list>array
] unit-test
! Testing some
[ { T{ parse-result f "begin" T{ slice f "begin1" 5 6 } } } ] [
"begin1" "begin" token parse list>array
] unit-test
[
"begin1" "begin" token some parse
] unit-test-fails
[ "begin" ] [
"begin" "begin" token some parse
] unit-test
! <& parser and &> parser
[ { T{ parse-result f { "a" "b" } T{ slice f "abcd" 2 4 } } } ] [
"abcd" "a" token "b" token <&> parse list>array
] unit-test
[ { T{ parse-result f "a" T{ slice f "abcd" 2 4 } } } ] [
"abcd" "a" token "b" token <& parse list>array
] unit-test
[ { T{ parse-result f "b" T{ slice f "abcd" 2 4 } } } ] [
"abcd" "a" token "b" token &> parse list>array
] unit-test
! Testing <*> and <:&>
[ { T{ parse-result f { "1" } T{ slice f "1234" 1 4 } } T{ parse-result f [ ] "1234" } } } ] [
"1234" "1" token <*> parse list>array
] unit-test
[
{
T{ parse-result f { "1" "1" "1" "1" } "234" }
T{ parse-result f { "1" "1" "1" } "1234" }
T{ parse-result f { "1" "1" } "11234" }
T{ parse-result f { "1" } "111234" }
T{ parse-result f [ ] "1111234" }
}
] [
"1111234" "1" token <*> parse list>array
] unit-test
[
{
T{ parse-result f { "1111" } "234" }
T{ parse-result f { "111" } "1234" }
T{ parse-result f { "11" } "11234" }
T{ parse-result f { "1" } "111234" }
T{ parse-result f { [ ] } "1111234" }
}
] [
"1111234" "1" token <*> [ concat 1array ] <@ parse list>array
] unit-test
[ { T{ parse-result f [ ] "234" } } ] [
"234" "1" token <*> parse list>array
] unit-test
! Testing <+>
[ { T{ parse-result f { "1" } "234" } } ] [
"1234" "1" token <+> parse list>array
] unit-test
[
{
T{ parse-result f { "1" "1" "1" "1" } "234" }
T{ parse-result f { "1" "1" "1" } "1234" }
T{ parse-result f { "1" "1" } "11234" }
T{ parse-result f { "1" } "111234" }
}
] [
"1111234" "1" token <+> parse list>array
] unit-test
[ { } ] [
"234" "1" token <+> parse list>array
] unit-test