1 files changed, 31 insertions, 0 deletions
diff --git a/contrib/bmake/unit-tests/varmod-to-title.mk b/contrib/bmake/unit-tests/varmod-to-title.mk
new file mode 100644
index 000000000000..f99e5441a8fb
--- /dev/null
+++ b/contrib/bmake/unit-tests/varmod-to-title.mk
@@ -0,0 +1,31 @@
+# $NetBSD: varmod-to-title.mk,v 1.1 2024/07/01 21:02:26 sjg Exp $
+#
+# Tests for the :tc variable modifier, which converts the expression value
+# to lowercase.
+#
+# TODO: What about non-ASCII characters? ISO-8859-1, UTF-8?
+
+.if ${:UUPPER:tt} != "Upper"
+.  error
+.endif
+
+.if ${:Ulower:tt} != "Lower"
+.  error
+.endif
+
+.if ${:UMixeD case.:tt} != "Mixed Case."
+.  error
+.endif
+
+# The ':tt' modifier works on the whole string, without splitting it into
+# words.
+.if ${:Umultiple   spaces:tt} != "Multiple   Spaces"
+.  error
+.endif
+
+# Note words only count if separated by spaces
+.if ${:Uthis&that or os/2:tt} != "This&that Or Os/2"
+.  error
+.endif
+
+all: .PHONY