add test for `for`

contrib/20.for/CMakeLists.txt

@@ -1,2 +1,4 @@
 file(GLOB FOR_FILES ${PROJECT_SOURCE_DIR}/contrib/20.for/piclib/*.scm)
 list(APPEND PICLIB_CONTRIB_LIBS ${FOR_FILES})
+add_custom_target(test-for for test in ${PROJECT_SOURCE_DIR}/contrib/20.for/t/*.scm \; do bin/picrin "$$test" \; done DEPENDS repl)
+set(CONTRIB_TESTS ${CONTRIB_TESTS} test-for)

contrib/20.for/t/test.scm

@@ -0,0 +1,13 @@
+(import (scheme base)
+        (picrin control list)
+        (picrin test))
+
+(test '(1 2 3)
+      (for
+       (yield (in '(1 2 3)))))
+
+(test '((1 a) (1 b) (1 c) (2 a) (2 b) (2 c) (3 a) (3 b) (3 c))
+      (for
+       (let ((n (in '(1 2 3)))
+             (c (in '(a b c))))
+         (yield (list n c)))))