Module Name: src
Committed By: rillig
Date: Thu Oct 29 17:27:12 UTC 2020
Modified Files:
src/usr.bin/make/unit-tests: directive-export.mk
Log Message:
make(1): add test for .export and Var_Delete
To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/usr.bin/make/unit-tests/directive-export.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/directive-export.mk
diff -u src/usr.bin/make/unit-tests/directive-export.mk:1.2 src/usr.bin/make/unit-tests/directive-export.mk:1.3
--- src/usr.bin/make/unit-tests/directive-export.mk:1.2 Sun Aug 16 14:25:16 2020
+++ src/usr.bin/make/unit-tests/directive-export.mk Thu Oct 29 17:27:12 2020
@@ -1,8 +1,25 @@
-# $NetBSD: directive-export.mk,v 1.2 2020/08/16 14:25:16 rillig Exp $
+# $NetBSD: directive-export.mk,v 1.3 2020/10/29 17:27:12 rillig Exp $
#
# Tests for the .export directive.
# TODO: Implementation
+INDIRECT= indirect
+VAR= value $$ ${INDIRECT}
+
+# A variable is exported using the .export directive.
+# During that, its value is expanded, just like almost everywhere else.
+.export VAR
+.if ${:!env | grep '^VAR'!} != "VAR=value \$ indirect"
+. error
+.endif
+
+# Undefining a variable that has been exported implicitly removes it from
+# the environment of all child processes.
+.undef VAR
+.if ${:!env | grep '^VAR' || true!} != ""
+. error
+.endif
+
all:
@:;
