From: David Kastrup <dak@gnu.org>
Date: Sun, 16 Oct 2011 21:09:50 +0000 (+0200)
Subject: Add regtest for skipping optional arguments via predicate.
X-Git-Tag: release/2.15.15-1~9
X-Git-Url: https://git.donarmstrong.com/?a=commitdiff_plain;h=35e6b138d0fee98000c7c3f54d238e1e31353346;p=lilypond.git

Add regtest for skipping optional arguments via predicate.
---

diff --git a/input/regression/optional-args-predicate.ly b/input/regression/optional-args-predicate.ly
new file mode 100644
index 0000000000..b7008ddc02
--- /dev/null
+++ b/input/regression/optional-args-predicate.ly
@@ -0,0 +1,20 @@
+\version "2.15.15"
+
+\header{
+  texidoc= "Test predicate-based optional music function argument skipping."
+}
+
+\layout { ragged-right = ##t }
+
+test=#(define-scheme-function (parser location str int frac exp)
+       ((string? "def1") (integer? "def2") (number-pair? "def3") list?)
+       (if (not (equal? (list str int frac) exp))
+	(ly:parser-error parser
+	 (format #f "Expected ~a, got ~a.\n" exp
+	  (list str int frac))
+	 location)))
+
+\test "a" #3 #'(3 . 4) #'("a" 3 (3 . 4))
+\test "a" #3 #'("a" 3 "def3")
+\test "a" #'("a" "def2" "def3")
+\test #'("def1" "def2" "def3")