Module Name: src
Committed By: rillig
Date: Tue Aug 25 22:25:05 UTC 2020
Modified Files:
src/usr.bin/make/unit-tests: varmod-l-name-to-value.mk
Log Message:
make(1): add test for the :L modifier
To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 \
src/usr.bin/make/unit-tests/varmod-l-name-to-value.mk
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/usr.bin/make/unit-tests/varmod-l-name-to-value.mk
diff -u src/usr.bin/make/unit-tests/varmod-l-name-to-value.mk:1.2 src/usr.bin/make/unit-tests/varmod-l-name-to-value.mk:1.3
--- src/usr.bin/make/unit-tests/varmod-l-name-to-value.mk:1.2 Sun Aug 16 14:25:16 2020
+++ src/usr.bin/make/unit-tests/varmod-l-name-to-value.mk Tue Aug 25 22:25:05 2020
@@ -1,8 +1,31 @@
-# $NetBSD: varmod-l-name-to-value.mk,v 1.2 2020/08/16 14:25:16 rillig Exp $
+# $NetBSD: varmod-l-name-to-value.mk,v 1.3 2020/08/25 22:25:05 rillig Exp $
#
# Tests for the :L modifier, which returns the variable name as the new value.
-# TODO: Implementation
+# The empty variable name leads to an empty string.
+.if ${:L} != ""
+.error
+.endif
+
+# The variable name is converted into an expression with the variable name
+# "VARNAME" and the value "VARNAME".
+.if ${VARNAME:L} != "VARNAME"
+.error
+.endif
+
+# The value of the expression can be modified afterwards.
+.if ${VARNAME:L:S,VAR,,} != "NAME"
+.error
+.endif
+
+# The name of the expression is still the same as before. Using the :L
+# modifier, it can be restored.
+#
+# Hmmm, this can be used as a double storage or a backup mechanism.
+# Probably unintended, but maybe useful.
+.if ${VARNAME:L:S,VAR,,:L} != "VARNAME"
+.error
+.endif
all:
@:;
