slatex test, slatex contracts and props

collects/meta/props

@@ -1798,6 +1798,7 @@ path/s is either such a string or a list of them.
 "collects/tests/scribble" responsible (eli mflatt)
 "collects/tests/srfi" responsible (noel chongkai jay)
 "collects/tests/srpersist" responsible (unknown)
+"collects/tests/slatex" responsible (jay sstrickl)
 "collects/tests/syntax-color" responsible (sowens mflatt)
 "collects/tests/test-engine" responsible (kathyg)
 "collects/tests/unstable/generics.ss" responsible (jay)

collects/slatex/slatex-wrapper.ss

@@ -1,12 +1,18 @@
 
 (module slatex-wrapper scheme/base
   (require mzlib/file
+           scheme/contract
 	   mzlib/process
 	   mzlib/sendevent
            "slatex.ss")
 
-  (provide slatex latex pdf-slatex pdf-latex slatex/no-latex
-           filename->latex-filename)
+  (provide/contract
+   [slatex (string? . -> . boolean?)]
+   [pdf-slatex (string? . -> . boolean?)]
+   [slatex/no-latex (string? . -> . boolean?)]
+   [latex (string? . -> . boolean?)]
+   [pdf-latex (string? . -> . boolean?)]
+   [filename->latex-filename (string? . -> . string?)])
   
   (define (add-suffix p s)
     (path->string

collects/tests/slatex/test.rkt

@@ -0,0 +1,63 @@
+#lang racket
+(require slatex/slatex-wrapper
+         tests/eli-tester
+         scheme/runtime-path)
+
+(define-runtime-path slatex-file-pth '(lib "slatex"))
+(define slatex-pth (path-only slatex-file-pth))
+
+(define tmp-file (build-path (current-directory) "test.tex")
+  #;(make-temporary-file "slatex~a.tex" #f (current-directory)))
+
+(test
+ (putenv "TEXINPUTS" (format "~a:" (path->string slatex-pth)))
+ tmp-file
+ 
+ (with-output-to-file tmp-file #:exists 'truncate/replace
+   (lambda ()
+     (display #<<END
+\documentclass{article} 
+\usepackage{slatex} 
+% 
+%That was LaTeX2e.  If you use 
+%LaTeX2.09, or LaTeX2e in 
+%2.09 compatibility mode, use 
+% 
+%\documentstyle[slatex]{article} 
+% 
+%or 
+% 
+%\documentstyle{article} 
+%\input slatex.sty 
+\begin{document} 
+ 
+In Scheme, the expression 
+\scheme|(set! x 42)| returns 
+an unspecified value, rather 
+than \scheme'42'.  However, 
+one could get a \scheme{set!} 
+of the latter style with: 
+ 
+\begin{schemedisplay} 
+(define-syntax setq 
+  (syntax-rules () 
+    [(setq x a) 
+     (begin (set! x a) 
+            x)])) 
+\end{schemedisplay} 
+ 
+\end{document} 
+END
+              )))
+ 
+ (slatex (path->string tmp-file))
+ 
+ (with-handlers ([exn:fail:filesystem? void])
+   (delete-file (path-replace-suffix tmp-file #".aux")))
+ (with-handlers ([exn:fail:filesystem? void])
+   (delete-file (path-replace-suffix tmp-file #".log")))
+ (with-handlers ([exn:fail:filesystem? void])
+   (delete-file (path-replace-suffix tmp-file #".dvi")))
+ 
+ (delete-file tmp-file))
+