1 files changed, 78 insertions, 0 deletions
diff --git a/tests/scripts/variables/private b/tests/scripts/variables/private
new file mode 100644
index 0000000..b4baf5f
--- /dev/null
+++ b/tests/scripts/variables/private
@@ -0,0 +1,78 @@
+#                                                                    -*-perl-*-
+
+$description = "Test 'private' variables.";
+
+$details = "";
+
+# 1: Simple verification that private variables are not inherited
+&run_make_test('
+a:
+F = g
+a: F = a
+b: private F = b
+
+a b c: ; @echo $@: F=$(F)
+a: b
+b: c
+',
+              '', "c: F=a\nb: F=b\na: F=a\n");
+
+# 2: Again, but this time we start with "b" so "a"'s variable is not in scope
+&run_make_test(undef, 'b', "c: F=g\nb: F=b\n");
+
+# 3: Verification with pattern-specific variables
+&run_make_test('
+t.a:
+
+F1 = g
+F2 = g
+%.a: private F1 = a
+%.a: F2 = a
+
+t.a t.b: ; @echo $@: F1=$(F1) / F2=$(F2)
+t.a: t.b
+',
+               '', "t.b: F1=g / F2=a\nt.a: F1=a / F2=a\n");
+
+# 4: Test private global variables
+&run_make_test('
+a:
+private F = g
+G := $(F)
+a:
+b: F = b
+
+a b: ; @echo $@: F=$(F) / G=$(G)
+a: b
+',
+               '', "b: F=b / G=g\na: F= / G=g\n");
+
+# 5: Multiple conditions on the same variable.  Test export.
+delete $ENV{'_X'};
+&run_make_test('
+_X = x
+a: export override private _X = a
+a: ; @echo _X=$(_X) / _X=$$_X
+',
+               '', "_X=a / _X=a");
+
+# 6: Test override.
+&run_make_test(undef, '_X=c', "_X=a / _X=a\n");
+
+# 7: Ensure keywords still work as targets
+&run_make_test('
+a: export override private foo bar
+foo bar export override private: ; @echo $@
+',
+               '', "export\noverride\nprivate\nfoo\nbar\n");
+
+# 8: Ensure keywords still work as variables
+&run_make_test('
+private = g
+a: private = a
+a: b
+a b: ; @echo $@=$(private)
+',
+               '', "b=a\na=a\n");
+
+1;