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haskell-font-lock-tests.el
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haskell-font-lock-tests.el
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;; -*- lexical-binding: t -*-
(require 'ert)
(require 'haskell-test-utils)
(require 'haskell-font-lock)
(require 'haskell-mode)
(ert-deftest haskell-syntactic-test-1 ()
"Simple keywords fontified"
(check-properties
'("module Test where")
'(("module" "w" haskell-keyword-face)
("Test" "w" haskell-constructor-face)
("where" "w" haskell-keyword-face))))
(ert-deftest haskell-syntactic-test-4 ()
"Apostrophe as part of a contructor token."
:expected-result :failed
(check-properties
'("T_'ttt_'t_' T Tx T'x T_x T_'_")
'(("T_'ttt_'t_'" "w" haskell-constructor-face)
("T" "w" haskell-constructor-face)
("T'x" "w" haskell-constructor-face)
("T_x" "w" haskell-constructor-face)
("T_'_" "w" haskell-constructor-face))))
(ert-deftest haskell-syntactic-test-5 ()
"Apostrophe inside a token."
:expected-result :failed
(check-properties
'("_T_'tt't_'t_' xxx'ff _f _'''")
'(("_T_'tt't_'t_'" "w" haskell-symbol-face)
("xxx'ff" "w" haskell-symbol-face)
("_f" "w" haskell-symbol-face)
("_'''" "w" haskell-symbol-face))))
(ert-deftest haskell-syntactic-test-character-literal-escapes ()
(check-properties
'("'\\000' '\\x01'")
'(("'\\000'" t font-lock-string-face)
("'\\x01'" t font-lock-string-face))))
(ert-deftest haskell-syntactic-test-7 ()
"Take quotes and double quotes under control."
(check-properties
'("\"\'\" Cons1"
"\'\"\' Cons2")
'(("\"\'\"" t font-lock-string-face)
("Cons1" "w" haskell-constructor-face)
("\'\"\'" t font-lock-string-face)
("Cons2" "w" haskell-constructor-face))))
(ert-deftest haskell-syntactic-test-7b ()
"Take quotes and double quotes under control."
(check-properties
;; do not get fooled
'("\"\'\"\'\"\'\"\'\"\'\"\'\"\'\"\'\"\' Cons")
'(("Cons" "w" haskell-constructor-face))))
(ert-deftest haskell-syntactic-test-7c ()
"Tripple backslash in a string that also has a quote."
(check-properties
;; the below is: "\"\\\"" and \\\ get marked as punctuation because
;; of detecting -- that is a part of larger non-comment lexeme
'(" \"\\\"\\\\\\\"\" Cons")
'(("Cons" "w" haskell-constructor-face))))
(ert-deftest haskell-syntactic-test-8 ()
"Check if gap-rule works."
(check-properties
'("\"\\ \\\\\\ \\ "
" \\\" Cons")
'(("\\" "." t) ; 1st is escape
("\\" "." t) ; 2nd is punctuation
("\\" "." t) ; 3rd is escape
("\\" "." t) ; 4th is punctuation
("\\" "." t) ; 5th is escape
("\\" "." t) ; 6th is punctuation
("Cons" "w" haskell-constructor-face))))
(ert-deftest haskell-syntactic-test-9 ()
"Syntax for hierarchical modules."
; note that quite many things here are not consistent but for now
; this test describes what it is
(check-properties
'(" A.B.C"
" D.E.f"
" G.H.>>="
" <=<"
)
'(("A" "w" haskell-constructor-face)
("." "." haskell-constructor-face)
("B" "w" haskell-constructor-face)
("." "." haskell-constructor-face)
("C" "w" haskell-constructor-face)
("D" "w" nil)
("." "." nil)
("E" "w" nil)
("." "." nil)
("f" "w" nil)
("G" "w" haskell-operator-face)
("." "." haskell-operator-face)
("H" "w" haskell-operator-face)
("." "." haskell-operator-face)
(">>=" "." haskell-operator-face)
("<=<" "." haskell-operator-face))))
(ert-deftest haskell-syntactic-test-18 ()
"Backtick operators"
(check-properties
'(" `fmap1`"
" ` fmap2 `"
" ` {- C1 -} M.fmap3 {- C2 -} `")
'(("`" t haskell-operator-face)
("fmap1" t haskell-operator-face)
("`" t haskell-operator-face)
("`" t haskell-operator-face)
("fmap2" t haskell-operator-face)
("`" t haskell-operator-face)
("`" t haskell-operator-face)
("C1" t font-lock-comment-face)
("fmap3" t haskell-operator-face)
("C2" t font-lock-comment-face)
("`" t haskell-operator-face))))
(ert-deftest haskell-syntactic-test-18a-multiline ()
"Backtick operators multiline"
;; strangely this works in interactive session
:expected-result :failed
(check-properties
'(" `"
" fmap "
" `")
'(("`" t haskell-operator-face)
("fmap" t haskell-operator-face)
("`" t haskell-operator-face))))
(ert-deftest haskell-syntactic-test-9a ()
"Syntax for hierarchical modules when on the first line."
;; note that quite many things here are not consistent but for now
;; this test describes what it is. When on the first column
;; font-lock thinks we are defining (.) operator. Not good.
:expected-result :failed
(check-properties
'("A1.B.C"
"A2.B.c"
"A3.B.>>="
"<=<"
)
'(("A1" "w" haskell-constructor-face)
("." "." haskell-constructor-face)
("B" "w" haskell-constructor-face)
("." "." haskell-constructor-face)
("C" "w" haskell-constructor-face)
("A2" "w" nil)
("." "." nil)
("B" "w" nil)
("." "." nil)
("C" "w" nil)
("A3" "w" haskell-constructor-face)
("." "." haskell-constructor-face)
("B" "w" haskell-constructor-face)
("." "." haskell-operator-face) ; this is wrong
(">>=" "." haskell-operator-face)
("<=<" "." haskell-operator-face))))
(ert-deftest haskell-syntactic-test-10 ()
"Syntax for comments"
(check-properties
'(" Cons0 -- Comm1"
" --\ Cons2"
" ----- Comment3"
" {- Comm4 -} -- Comm5"
" -- \" Comm6"
" Cons7"
"{-# pragma1 #-}"
"{-# non_pragma2 -}"
"{- non_pragma3 #-}"
"{-@ liquid_haskell @-}"
"{-@ non_liquid_haskell_2 -}"
"{- non_liquid_haskell_3 @-}"
)
'(("Cons0" "w" haskell-constructor-face)
("Comm1" "w" font-lock-comment-face)
;("Cons2" "w" haskell-constructor-face) -- works in real life, does not work in tests...
("Comment3" "w" font-lock-comment-face)
("Comm4" "w" font-lock-comment-face)
("Comm5" "w" font-lock-comment-face)
("Comm6" "w" font-lock-comment-face)
("Cons7" "w" haskell-constructor-face)
("pragma1" "w" haskell-pragma-face)
("non_pragma2" "w_" font-lock-comment-face)
("non_pragma3" "w_" font-lock-comment-face)
("liquid_haskell" "w_" haskell-liquid-haskell-annotation-face)
("non_liquid_haskell_2" "w_" font-lock-comment-face)
("non_liquid_haskell_3" "w_" font-lock-comment-face))))
(ert-deftest haskell-syntactic-string-vs-comment-escape ()
"Check string escape vs comment escape"
(check-properties
;; "\"" \-- Cons
'("\"\\\"\" \\-- Cons")
'(("\\--" "." haskell-operator-face)
("Cons" "w" haskell-constructor-face))))
(ert-deftest haskell-syntactic-quasiquote-no-escape ()
"Check string escape vs comment escape"
(check-properties
'("[qq| \\|] Cons")
'(("qq" "w" nil)
("\\" "." haskell-quasi-quote-face)
("Cons" "w" haskell-constructor-face))))
(ert-deftest haskell-syntactic-quasiquote-three-punctuation ()
"Check string escape vs comment escape"
(check-properties
'("[qq| %\\|] Cons")
'(("qq" "w" nil)
("%\\" "." haskell-quasi-quote-face)
("Cons" "w" haskell-constructor-face))))
(ert-deftest haskell-syntactic-quasiquote-constructor ()
"Check string escape vs comment escape"
(check-properties
'("[Cons1| Cons2 |]")
'(("Cons1" "w" haskell-constructor-face)
("Cons2" "w" haskell-constructor-face))))
(ert-deftest haskell-syntactic-quasiquote-number ()
"Check string escape vs comment escape"
(check-properties
'("[11| Cons2 |]")
'(("1" "w" nil)
("Cons2" "w" haskell-constructor-face))))
(ert-deftest haskell-haddock-01 ()
"Syntax for haddock comments"
(check-properties
'(" -- | Dcom1" ; haddocks
" -- $ Dcom2"
" -- ^ Dcom3"
" -- * Dcom4"
" --| Cons5" ; non-haddocks, operators
" --$ Cons6"
" --^ Cons7"
" --* Cons8"
" -- | Com5" ; non-haddocks, comments
" -- $ Com6"
" -- ^ Com7"
" -- * Com8"
" {-| Dcom10 -}" ; haddocks
" {-$ Dcom11 -}"
" {-^ Dcom12 -}"
" {-* Dcom13 -}"
" {- | Dcom14 -}" ; also haddocks
" {- $ Dcom15 -}"
" {- ^ Dcom16 -}"
" {- * Dcom17 -}")
'(("Dcom1" "w" font-lock-doc-face)
("Dcom2" "w" font-lock-doc-face)
("Dcom3" "w" font-lock-doc-face)
("Dcom4" "w" font-lock-doc-face)
("Cons5" "w" haskell-constructor-face)
("Cons6" "w" haskell-constructor-face)
("Cons7" "w" haskell-constructor-face)
("Cons8" "w" haskell-constructor-face)
("Com5" "w" font-lock-comment-face)
("Com6" "w" font-lock-comment-face)
("Com7" "w" font-lock-comment-face)
("Com8" "w" font-lock-comment-face)
("Dcom10" "w" font-lock-doc-face)
("Dcom11" "w" font-lock-doc-face)
("Dcom12" "w" font-lock-doc-face)
("Dcom13" "w" font-lock-doc-face)
("Dcom14" "w" font-lock-doc-face)
("Dcom15" "w" font-lock-doc-face)
("Dcom16" "w" font-lock-doc-face)
("Dcom17" "w" font-lock-doc-face)
)))
(ert-deftest haskell-haddock-02 ()
"Syntax for italic and bold in haddock comments"
;; Emacs 23 does not have `add-face-text-property'
:expected-result (if (fboundp 'add-face-text-property)
:passed
:failed)
(check-properties
'("-- | haddock"
"-- /it1/ nonit2 /it3/"
"-- /it\\/4/ nonit5"
"-- __/boldit1/__"
"-- /__boldit2__/"
"-- __bold_bold_bold__"
"-- __/unfinished")
'(("/it1/" t ((:slant italic) font-lock-doc-face))
("nonit2" t font-lock-doc-face)
("/it3/" t ((:slant italic) font-lock-doc-face))
("/it\\/4/" t ((:slant italic) font-lock-doc-face))
("nonit5" t font-lock-doc-face)
("boldit1" t ((:weight bold) (:slant italic) font-lock-doc-face))
("boldit2" t ((:slant italic) (:weight bold) font-lock-doc-face))
("__bold_bold_bold__" t ((:weight bold) font-lock-doc-face))
("unfinished" t font-lock-doc-face))))
(ert-deftest haskell-syntactic-test-11b ()
"Syntax for haddock comments"
;; Note: all of these are prefixed with space so that
;; top-level definition detection does not kick in.
(check-properties
'(" 'a''b'" ; ('a','b')
" 12'c'" ; (12,'c')
" 0x32'd'" ; (0x34,'d')
" e56'f'" ; Not in scope: ‘e56'f'’
" 'g''h''" ; lexical error in string/character literal at end of input
" 'i'j " ; ('i',45)
" 'k''l" ; ('k',l_1627393257)
" \"m\"'n'" ; ("m",'n')
" 'o'\"p\"" ; ('o',"p")
" '\"'\"'\"" ; ('"',"'")
" 7e-8'q'" ; (7e-8,'q')
" 9.9'r'" ; (9.9,'r')
" 's'12e-34" ; ('s',1.2e-33)
" 't'56.78" ; ('t',56.78)
" ."
)
'(("'a'" t font-lock-string-face)
("'b'" t font-lock-string-face)
("12" t nil)
("'c'" t font-lock-string-face)
("0x32" t nil)
("'d'" t font-lock-string-face)
("e56'f'" t nil)
("'g'" t font-lock-string-face)
("'h'" t font-lock-string-face)
("'" t nil) ; ?? stray apostrophe is what??
("'i'" t font-lock-string-face)
("j" t nil)
("'k'" t font-lock-string-face)
("'l" t nil) ;; apostrophe here should be prefix operator
("\"m\"'n'" t font-lock-string-face)
("'o'\"p\"" t font-lock-string-face)
("'\"'\"'\"" t font-lock-string-face)
("7e-8" t nil)
("'q'" t font-lock-string-face)
("9.9" t nil)
("'r'" t font-lock-string-face)
("'s'" t font-lock-string-face)
("12e-34" t nil)
("'t'" t font-lock-string-face)
("56.78" t nil)
("." t haskell-operator-face)
)))
(ert-deftest haskell-syntactic-preprocessor-01 ()
(check-properties
'(" # NoPreproc"
"#preproc"
"#prep1 \\"
" Prep2"
"Cons")
'(("NoPreproc" t haskell-constructor-face)
("preproc" t font-lock-preprocessor-face)
("prep1" t font-lock-preprocessor-face)
("Prep2" t font-lock-preprocessor-face)
("Cons" t haskell-constructor-face))))
(ert-deftest haskell-syntactic-preprocessor-02 ()
(check-properties
'"#preproc\\\ncont\\" ;; backslash is last char in buffer
'(("preproc" t font-lock-preprocessor-face)
("cont" t font-lock-preprocessor-face)
("\\" t font-lock-preprocessor-face))))
(ert-deftest haskell-syntactic-test-quasiquoter-1 ()
"Basic syntax for QuasiQuote"
(check-properties
'("v = [quoter| string |] Cons")
'(("[" t nil)
("|" t haskell-quasi-quote-face)
("string" t haskell-quasi-quote-face)
("|" t haskell-quasi-quote-face)
("]" t nil)
("Cons" "w" haskell-constructor-face))))
(ert-deftest haskell-syntactic-test-quasiquoter-2 ()
"Basic syntax for QuasiQuote multiline"
(check-properties
'("v = [quoter| string"
" one more | ]"
" finishing line"
"|] Cons")
'(("[" t nil)
("|" t haskell-quasi-quote-face)
("string" t haskell-quasi-quote-face)
("line" t haskell-quasi-quote-face)
("|" t haskell-quasi-quote-face)
("]" t nil)
("Cons" "w" haskell-constructor-face))))
(ert-deftest haskell-syntactic-test-quasiquoter-3 ()
"QuasiQuote inside quasi quote"
(check-properties
'("v = [quoter| [inner| string {- -- |] Outside |]")
'(("[" t nil)
("|" t haskell-quasi-quote-face)
("inner" t haskell-quasi-quote-face)
("string" t haskell-quasi-quote-face)
("|" t haskell-quasi-quote-face)
("]" t nil)
("Outside" "w" haskell-constructor-face)
)))
(ert-deftest haskell-syntactic-test-quasiquoter-4 ()
"QuasiQuote inside comment"
(check-properties
'("v = -- [quoter| "
" [inner| string {- -- |] Outside1 |] Outside2")
'(("quoter" t font-lock-comment-face)
("inner" t nil)
("string" t haskell-quasi-quote-face)
("|" t haskell-quasi-quote-face)
("]" t nil)
("Outside1" "w" haskell-constructor-face)
("Outside2" "w" haskell-constructor-face)
)))
(ert-deftest haskell-syntactic-test-quasiquoter-5 ()
"QuasiQuote should not conflict with TemplateHaskell"
(check-properties
'("nope = [| Cons |]"
"nope = [e| Cons_e |]"
"nope = [t| Cons_t |]"
"nope = [d| Cons_d |]"
"nope = [p| Cons_p |]"
"yes = [x| Cons_x |]")
'(("Cons" t haskell-constructor-face)
("Cons_e" t haskell-constructor-face)
("Cons_t" t haskell-constructor-face)
("Cons_d" t haskell-constructor-face)
("Cons_p" t haskell-constructor-face)
("Cons_x" t haskell-quasi-quote-face))))
(ert-deftest haskell-syntactic-test-quasiquoter-sql-1 ()
"Embedded SQL statements"
(check-properties
'("sql = [sql| SELECT title FROM books; |]")
'(("SELECT" t font-lock-keyword-face)
("title" t default)
("FROM" t font-lock-keyword-face)
("books" t default))))
(ert-deftest haskell-syntactic-test-quasiquoter-sql-2 ()
"Embedded SQL statements"
;; for now we have this problem that connstructor faces are used,
;; org-mode knows how to get around this problem
(check-properties
'("sql = [sql| SELECT Title FROM Books; |]")
'(("Title" t default)
("Books" t default))))
(ert-deftest haskell-syntactic-test-quasiquoter-sql-3 ()
"Embedded SQL statements"
(check-properties
'("sql = [Mod.sql| SELECT title FROM books; |]")
'(("SELECT" t font-lock-keyword-face)
("title" t default)
("FROM" t font-lock-keyword-face)
("books" t default))))
(ert-deftest haskell-syntactic-test-special-not-redefined ()
"QuasiQuote should not conflict with TemplateHaskell"
(check-properties
'("nope1, nope2 "
"nope3 = nope4 "
"nope -> nope"
"nope :: nope"
"nope <- nope"
"nope ` nope")
'(("," t nil)
("=" t haskell-operator-face)
("->" t haskell-operator-face)
("::" t haskell-operator-face)
("<-" t haskell-operator-face)
("`" t nil))))
(ert-deftest haskell-syntactic-definition-face-1 ()
(check-properties
'("F +++ G")
'(("+++" t haskell-definition-face))))
(ert-deftest haskell-syntactic-definition-face-1a ()
(check-properties
'("F `abc` G")
'(("abc" t haskell-definition-face))))
(ert-deftest haskell-syntactic-definition-face-2 ()
:expected-result :failed
(check-properties
'("M.F +++ N.G")
'(("+++" t haskell-definition-face))))
(ert-deftest haskell-syntactic-definition-face-2a ()
:expected-result :failed
(check-properties
'("M.F `abc` N.G")
'(("abc" t haskell-definition-face))))
(ert-deftest haskell-syntactic-definition-face-3 ()
(check-properties
'("Q +++ 12.12")
'(("+++" t haskell-definition-face))))
(ert-deftest haskell-syntactic-definition-face-4 ()
(check-properties
'("_test'")
'(("_test'" t nil))))
(ert-deftest haskell-syntactic-definition-face-5 ()
(check-properties
'("_test' _")
'(("_test'" t haskell-definition-face))))
(ert-deftest haskell-literate-bird-1 ()
(check-properties
'("Comment1"
""
"> code1 = 1"
"> code2 = 1"
""
"Comment2"
""
"> code3 = 1"
""
"Comment3")
'(("Comment1" t haskell-literate-comment-face)
("code1" t haskell-definition-face)
("code2" t haskell-definition-face)
("Comment2" t haskell-literate-comment-face)
("code3" t haskell-definition-face)
("Comment3" t haskell-literate-comment-face))
'haskell-literate-mode))
(ert-deftest haskell-literate-bird-2 ()
;; Haskell Report requires empty line before bird code block. So it
;; is a code block, just in error.
:expected-result :failed
(check-properties
'("Comment1"
"> code1 = 1"
"> code2 = 1"
"Comment2"
""
"> code3 = 1"
""
"Comment3")
'(("Comment1" t haskell-literate-comment-face)
(">" t font-lock-warning-face)
("code1" t haskell-definition-face)
("code2" t haskell-definition-face)
("Comment2" t haskell-literate-comment-face)
("code3" t haskell-definition-face)
("Comment3" t haskell-literate-comment-face))
'haskell-literate-mode))
(ert-deftest haskell-literate-latex-1 ()
(check-properties
'("Comment1"
""
"\\begin{code}"
"code1 = 1"
"code2 = 1"
"\\end{code}"
""
"Comment2"
"\\begin{code}"
"code3 = 1"
"\\end{code}"
"Comment3")
'(("Comment1" t haskell-literate-comment-face)
("code1" t haskell-definition-face)
("code2" t haskell-definition-face)
("Comment2" t haskell-literate-comment-face)
("code3" t haskell-definition-face)
("Comment3" t haskell-literate-comment-face))
'haskell-literate-mode))
(ert-deftest haskell-literate-mixed-1 ()
;; Although Haskell Report does not advice mixing modes, it is a
;; perfectly valid construct that we should support in syntax
;; highlighting.
(check-properties
'("Comment1"
""
"> code1 = 1"
"> code2 = 1"
""
"Comment2"
"\\begin{code}"
"code3 = 1"
"\\end{code}"
"Comment3")
'(("Comment1" t haskell-literate-comment-face)
("code1" t haskell-definition-face)
("code2" t haskell-definition-face)
("Comment2" t haskell-literate-comment-face)
("code3" t haskell-definition-face)
("Comment3" t haskell-literate-comment-face))
'haskell-literate-mode))
(ert-deftest haskell-type-instance ()
"Fontify \"instance\" after \"type\""
;; Note that instance is always fontified, because it is a keyword even
;; without 'type' before it.
(check-properties
'("type instance Foo Int = Char")
'(("type" "w" haskell-keyword-face)
("instance" "w" haskell-keyword-face))))
(ert-deftest haskell-type-family ()
"Fontify \"family\" after \"type\""
(check-properties
'("type family Foo a :: *")
'(("type" "w" haskell-keyword-face)
("family" "w" haskell-keyword-face))))
(ert-deftest haskell-data-family ()
"Fontify \"family\" after \"data\""
(check-properties
'("data family Foo a :: *")
'(("data" "w" haskell-keyword-face)
("family" "w" haskell-keyword-face))))
(ert-deftest haskell-no-family ()
"Don't fontify \"family\" when not after \"type\" or \"data\""
(check-properties
'("foo family = 10")
'(("foo" "w" haskell-definition-face)
("family" "w" nil))))
(ert-deftest haskell-type-role ()
"Fontify \"role\" after \"type\""
(check-properties
'("type role Ptr representational")
'(("type" "w" haskell-keyword-face)
("role" "w" haskell-keyword-face)
("Ptr" "w" haskell-type-face))))
(ert-deftest haskell-no-type-role ()
"Don't fontify \"role\" when not after \"type\""
(check-properties
'("foo role = 3")
'(("foo" "w" haskell-definition-face)
("role" "w" nil))))
(ert-deftest haskell-forall-in-type ()
(check-properties
'("forall = 23"
"zonk :: forall x . x -> x")
'(("forall" "w" haskell-definition-face)
("forall" "w" haskell-keyword-face))))
(ert-deftest haskell-unterminated-string-1 ()
(check-properties
'("foo = \"zonk"
" Cons")
'(("\"" "|" font-lock-warning-face)
("zonk" t font-lock-string-face)
("Cons" "w" haskell-constructor-face))))
(ert-deftest haskell-unterminated-string-2 ()
(check-properties
'"foo = \"zonk"
'(("\"" "\"" font-lock-warning-face)
("zonk" t font-lock-string-face))))
(ert-deftest haskell-unterminated-string-3 ()
(check-properties
'"foo = \"zonk\\"
'(("\"" "\"" font-lock-warning-face)
("zonk" t font-lock-string-face)
("\\" t font-lock-warning-face))))
(ert-deftest haskell-type-colors-01 ()
(check-properties
"x :: Int -> String"
'(("Int" t haskell-type-face)
("String" t haskell-type-face))))
(ert-deftest haskell-type-colors-02 ()
(check-properties
'("x :: (Monad m,"
" Applicative m)"
" => m Int")
'(("Monad" t haskell-type-face)
("Applicative" t haskell-type-face)
("Int" t haskell-type-face))))
(ert-deftest haskell-type-colors-03 ()
(check-properties
'("x :: Lens' S A"
"y Nothing1 Nothing2 = Nothing3")
'(("Lens" t haskell-type-face)
("S" t haskell-type-face)
("A" t haskell-type-face)
("Nothing1" t haskell-constructor-face)
("Nothing2" t haskell-constructor-face)
("Nothing3" t haskell-constructor-face))))
(ert-deftest haskell-type-colors-04 ()
(check-properties
'("x :: Lens' S A"
"(++++) Nothing1 Nothing2 = Nothing3")
'(("Lens" t haskell-type-face)
("S" t haskell-type-face)
("A" t haskell-type-face)
("Nothing1" t haskell-constructor-face)
("Nothing2" t haskell-constructor-face)
("Nothing3" t haskell-constructor-face))))
(ert-deftest haskell-type-colors-05 ()
(check-properties
'"class (Monad a, Applicative b) => m a Int | a -> b String where"
'(("Monad" t haskell-type-face)
("Applicative" t haskell-type-face)
("Int" t haskell-type-face)
("String" t haskell-type-face))))
(ert-deftest haskell-type-colors-06 ()
(check-properties
'"instance (Monad a, Applicative b) => m a Int | a -> b String where"
'(("Monad" t haskell-type-face)
("Applicative" t haskell-type-face)
("Int" t haskell-type-face)
("String" t haskell-type-face))))
(ert-deftest haskell-type-colors-07 ()
:expected-result :failed
(check-properties
'"data X = X1 String | X2 Int"
'(("X" t haskell-type-face)
("X1" t haskell-constructor-face)
("String" t haskell-type-face)
("X2" t haskell-constructor-face)
("Int" t haskell-type-face))))
(ert-deftest haskell-type-colors-08 ()
;; simplified version of 07
(check-properties
'"data X = X1 String | X2 Int"
'(("X" t haskell-type-face))))
(ert-deftest haskell-type-colors-09 ()
(check-properties
'"type X a b = Monad a (Lens b)"
'(("X" t haskell-type-face)
("Monad" t haskell-type-face)
("Lens" t haskell-type-face))))
(ert-deftest haskell-type-colors-10 ()
(check-properties
'"type family X a b = Monad a (Lens b)"
'(("X" t haskell-type-face)
("Monad" t haskell-type-face)
("Lens" t haskell-type-face))))
(ert-deftest haskell-type-colors-11 ()
(check-properties
'("data X a where"
" X1 :: Int1 -> X Int2"
" X2 :: String1 -> X String2")
'(("X" t haskell-type-face)
("X1" t haskell-constructor-face)
("Int1" t haskell-type-face)
("X" t haskell-type-face)
("Int2" t haskell-type-face)
("X2" t haskell-constructor-face)
("String1" t haskell-type-face)
("X" t haskell-type-face)
("String2" t haskell-type-face))))
(ert-deftest haskell-type-colors-12 ()
:expected-result :failed
(check-properties
'"data X = Int1 :+: String2 | String3 :-: Int4"
'(("X" t haskell-type-face)
("Int1" t haskell-type-face)
(":+:" t haskell-constructor-face)
("String2" t haskell-type-face)
("String3" t haskell-type-face)
(":-:" t haskell-constructor-face)
("Int4" t haskell-type-face))))
(ert-deftest haskell-type-colors-13 ()
(check-properties
'"newtype Xa = Xb Int"
'(("Xa" t haskell-type-face)
("Xb" t haskell-constructor-face))))
(ert-deftest haskell-type-colors-14 ()
:expected-result :failed
(check-properties
'"newtype Xa = Xb Int"
'(("Xa" t haskell-type-face)
("Xb" t haskell-constructor-face)
("Int" t haskell-type-face))))
(ert-deftest haskell-type-colors-15 ()
(check-properties
'"newtype Xa = Xb { xbField :: Int }"
'(("Xa" t haskell-type-face)
("Xb" t haskell-constructor-face)
("Int" t haskell-type-face))))
(ert-deftest haskell-type-colors-16 ()
:expected-result :failed
(check-properties
'"module M ( a, X(..), Y, Z(A,B)) where"
'(("M" t haskell-constructor-face)
("X" t haskell-type-face)
("Y" t haskell-type-face)
("Z" t haskell-type-face)
("A" t haskell-constructor-face)
("B" t haskell-constructor-face))))
(ert-deftest haskell-type-colors-17 ()
(check-properties
'"[Just 5 :: Maybe Int | X <- xs]"
'(("Just" t haskell-constructor-face)
("Maybe" t haskell-type-face)
("Int" t haskell-type-face)
("X" t haskell-constructor-face))))
(ert-deftest haskell-type-colors-18 ()
(check-properties
'"[Just 5 :: Maybe Int]"
'(("Just" t haskell-constructor-face)
("Maybe" t haskell-type-face)
("Int" t haskell-type-face))))
(ert-deftest haskell-type-colors-19 ()
(check-properties
'"(5 :: Int, Just 5 :: Maybe Int) X"
'(("Int" t haskell-type-face)
("Just" t haskell-constructor-face)
("Maybe" t haskell-type-face)
("Int" t haskell-type-face)
("X" t haskell-constructor-face))))
(ert-deftest haskell-type-colors-20 ()
(check-properties
'"x { x = 5 :: Int} Nothing"
'(("Int" t haskell-type-face)
("Nothing" t haskell-constructor-face))))
(ert-deftest haskell-type-colors-21 ()
(check-properties
'("x = do"
" y :: Maybe Int <- return Nothing")
'(("Maybe" t haskell-type-face)
("Int" t haskell-type-face)
("Nothing" t haskell-constructor-face))))
(ert-deftest haskell-type-colors-22 ()
(check-properties
'("x = case y :: Int of"
" 42 -> Nothing")
'(("Int" t haskell-type-face)
("Nothing" t haskell-constructor-face))))
(ert-deftest haskell-type-colors-23 ()
(check-properties
'("x :: Int ->"
" String")
'(("Int" t haskell-type-face)
("String" t haskell-type-face))))
(ert-deftest haskell-type-colors-24 ()
(check-properties
'("x :: Int ->"
""
" -- comment"
" {-"
" multiline"
" -}"
""
" String")
'(("Int" t haskell-type-face)
("String" t haskell-type-face))))
(ert-deftest haskell-type-colors-25 ()
(check-properties
'("x :: Int"
""
" -- comment"
" {-"
" multiline"
" -}"
""
" -> String")
'(("Int" t haskell-type-face)
("String" t haskell-type-face))))
(ert-deftest haskell-type-colors-26 ()
(check-properties
'("x :: Int"
""
" -- comment"
" {-"
" multiline"
" -}"
""
"X `abc` Z")
'(("Int" t haskell-type-face)
("X" t haskell-constructor-face)
("Z" t haskell-constructor-face))))
(ert-deftest haskell-type-colors-27 ()
(check-properties
'("x"
" ::"
" Int"
" ->"
" String")
'(("Int" t haskell-type-face)
("String" t haskell-type-face))))
(ert-deftest haskell-type-colors-28 ()
(check-properties
"type instance Typ Int b = Show b"
'(("Typ" t haskell-type-face)
("Int" t haskell-type-face)
("Show" t haskell-type-face))))
(ert-deftest haskell-type-colors-29 ()
:expected-result :failed
(check-properties
"import qualified X as Y(a,Z(C))"
'(("X" t haskell-constructor-face)
("Y" t haskell-constructor-face)
("Z" t haskell-type-face)
("C" t haskell-constructor-face))))
(ert-deftest haskell-type-colors-30 ()
:expected-result :failed
(check-properties
"import qualified X as Y hiding(a,Z(C))"
'(("X" t haskell-constructor-face)
("Y" t haskell-constructor-face)
("Z" t haskell-type-face)
("C" t haskell-constructor-face))))
(ert-deftest haskell-type-colors-31 ()
(check-properties
;; open parentheses do not keep type decl open because there might
;; be an unclosed parenthesis stretching to the end of file and
;; that is very costly to check
'("x :: (OpenParen"
" NotType)")
'(("OpenParen" t haskell-type-face)
("NotType" t haskell-constructor-face))))
(ert-deftest haskell-type-colors-32 ()
(check-properties
;; keywords in comments or strings should not create problems
'("flagSpec \"partial-type-signatures\" Opt_WarnPartialTypeSignatures,"
"{- class -} Cons2"
"-- type"
" Cons3")
'(("Opt_WarnPartialTypeSignatures" t haskell-constructor-face)
("Cons2" t haskell-constructor-face)
("Cons3" t haskell-constructor-face))))
(ert-deftest haskell-type-colors-33 ()
(check-properties
"import X qualified as Y"
'(("X" t haskell-constructor-face)
("qualified" t haskell-keyword-face)
("as" t haskell-keyword-face)
("Y" t haskell-constructor-face))))
(ert-deftest haskell-pattern-1 ()
"Fontify the \"pattern\" keyword in contexts related to pattern synonyms."
(check-properties