add make-4.3.tar.gz

third_party/make/tests/scripts/functions/foreach

@@ -0,0 +1,95 @@
+#                                                                    -*-perl-*-
+# $Id$
+
+$description = "Test the foreach function.";
+
+$details = "This is a test of the foreach function in gnu make.
+This function starts with a space separated list of
+names and a variable. Each name in the list is subsituted
+into the variable and the given text evaluated. The general
+form of the command is $(foreach var,\$list,\$text). Several
+types of foreach loops are tested\n";
+
+
+# TEST 0
+
+# Set an environment variable that we can test in the makefile.
+$extraENV{FOOFOO} = 'foo foo';
+
+run_make_test("space = ' '".'
+null :=
+auto_var = udef space CC null FOOFOO MAKE foo CFLAGS WHITE @ <
+foo = bletch null @ garf
+av = $(foreach var, $(auto_var), $(origin $(var)) )
+override WHITE := BLACK
+for_var = $(addsuffix .c,foo $(null) $(foo) $(space) $(av) )
+fe = $(foreach var2, $(for_var),$(subst .c,.o, $(var2) ) )
+all: auto for2
+auto : ; @echo $(av)
+for2: ; @echo $(fe)',
+              '-e WHITE=WHITE CFLAGS=',
+              "undefined file default file environment default file command line override automatic automatic
+foo.o bletch.o null.o @.o garf.o .o    .o undefined.o file.o default.o file.o environment.o default.o file.o command.o line.o override.o automatic.o automatic.o");
+
+delete $extraENV{FOOFOO};
+
+# TEST 1: Test that foreach variables take precedence over global
+# variables in a global scope (like inside an eval).  Tests bug #11913
+
+run_make_test('
+.PHONY: all target
+all: target
+
+x := BAD
+
+define mktarget
+target: x := $(x)
+target: ; @echo "$(x)"
+endef
+
+x := GLOBAL
+
+$(foreach x,FOREACH,$(eval $(value mktarget)))',
+              '',
+              'FOREACH');
+
+# Allow variable names with trailing space
+run_make_test(q!
+$(foreach \
+  a \
+, b c d \
+, $(info $a))
+all:;@:
+!,
+              "", "b\nc\nd\n");
+
+# Allow empty variable names.  We still expand the body.
+
+run_make_test('
+x = $(foreach ,1 2 3,a)
+y := $x
+
+all: ; @echo $y',
+              '', "a a a\n");
+
+# Check some error conditions.
+
+run_make_test('
+x = $(foreach )
+y = $x
+
+all: ; @echo $y',
+              '',
+              "#MAKEFILE#:2: *** insufficient number of arguments (1) to function 'foreach'.  Stop.",
+              512);
+
+run_make_test('
+x = $(foreach x,y)
+y := $x
+
+all: ; @echo $y',
+              '',
+              "#MAKEFILE#:2: *** insufficient number of arguments (2) to function 'foreach'.  Stop.",
+              512);
+
+1;