From f6cccfb501175ba15a1bd529c7228c22c57152a9 Mon Sep 17 00:00:00 2001
From: Rose Hogenson <rhogenson@posteo.net>
Date: Thu, 28 Jul 2022 19:55:37 -0700
Subject: Improve the strings API.

I'm just copying the go strings library API.
---
 csc/testing.csc | 54 +++++++++++++++++++++++++++++++-----------------------
 1 file changed, 31 insertions(+), 23 deletions(-)

(limited to 'csc/testing.csc')

diff --git a/csc/testing.csc b/csc/testing.csc
index 3fa8ad5..68678ca 100644
--- a/csc/testing.csc
+++ b/csc/testing.csc
@@ -6,10 +6,10 @@
     test
     test-main)
   (import (scheme base)
-          (only (csc compare) diff)
-          (only (csc format)
-            printf
-            sprintf))
+          (only (scheme write)
+            display
+            write)
+          (only (csc compare) diff))
   (begin
 
 
@@ -30,32 +30,41 @@
       test-error?)
 
 
+    (define *test-error* (make-test-error))
+
+
     (define *test-handle* (make-test-handle "global"))
 
 
+    (define (print . xs)
+      (unless (null? xs)
+        (let ((x (car xs)))
+          (if (or (string? x)
+                  (symbol? x))
+            (display x)
+            (write x)))
+        (apply print (cdr xs))))
+
+
     (define-syntax test
       (syntax-rules ()
         ((test name body body* ...)
          (begin
            (set-name! *test-handle* (symbol->string 'name))
-           (printf "=== RUN   {}\n" 'name)
+           (print "=== RUN   " 'name "\n")
            (guard (e ((test-error? e)
-                      (printf "--- FAIL: {}\n" 'name)
-                      (set-all-succeeded! #f)))
+                       (print "--- FAIL: " 'name "\n")
+                       (set-all-succeeded! #f)))
              body body* ...
-             (printf "--- PASS: {}\n" 'name))))))
-
-
-    (define (fatalf format-string . format-args)
-      (printf "{}: {}\n" (test-name *test-handle*) (apply sprintf format-string format-args))
-      (raise (make-test-error)))
+             (print "--- PASS: " 'name "\n"))))))
 
 
     (define-syntax assert
       (syntax-rules ()
         ((assert expr)
          (unless expr
-           (fatalf "(assert {}) failed." 'expr)))))
+           (print (test-name *test-handle*) ": (assert " 'expr ") failed.\n")
+           (raise *test-error*)))))
 
 
     (define-syntax assert-equal
@@ -63,21 +72,20 @@
         ((assert-equal left right transformers ...)
           (let ((d (diff left right transformers ...)))
             (unless (string=? "" d)
-              (fatalf "Fatal:\n  {}\nis not equal to\n  {}.\ndiff (-left +right):\n{}" 'left 'right d))))
-        ((assert-equal left right)
-          (assert-equal equal? left right))))
+              (print "Fatal:\n  " 'left "\nis not equal to\n  " 'right "\ndiff (-left +right):\n" d "\n")
+              (raise *test-error*))))))
 
 
     (define-syntax assert-raises
       (syntax-rules ()
         ((assert-raises predicate body body* ...)
-         (assert
-           (guard (e ((predicate e) #t))
-             body body* ...
-             #f)))))
+          (assert
+            (guard (e ((predicate e) #t))
+              body body* ...
+              #f)))))
 
 
     (define (test-main)
       (if *all-tests-succeeded*
-          (printf "PASS\n")
-        (printf "FAIL\n")))))
+        (print "PASS\n")
+        (print "FAIL\n")))))
-- 
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