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-rw-r--r--tests/union.scm18
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/union.scm b/tests/union.scm
index aa95cae001..5a6a4033fc 100644
--- a/tests/union.scm
+++ b/tests/union.scm
@@ -184,4 +184,22 @@
(file-is-directory? "bin")
(eq? 'symlink (stat:type (lstat "bin/guile"))))))))
+(letrec-syntax ((test-relative-file-name
+ (syntax-rules (=>)
+ ((_ (reference file => expected) rest ...)
+ (begin
+ (test-equal (string-append "relative-file-name "
+ reference " " file)
+ expected
+ (relative-file-name reference file))
+ (test-relative-file-name rest ...)))
+ ((_)
+ #t))))
+ (test-relative-file-name
+ ("/a/b" "/a/c/d" => "../c/d")
+ ("/a/b" "/a/b" => "")
+ ("/a/b" "/a" => "..")
+ ("/a/b" "/a/b/c/d" => "c/d")
+ ("/a/b/c" "/a/d/e/f" => "../../d/e/f")))
+
(test-end)