1 files changed, 127 insertions, 0 deletions
diff --git a/build/pymake/tests/ifdefs.mk b/build/pymake/tests/ifdefs.mk
new file mode 100644
index 000000000..a779d197b
--- /dev/null
+++ b/build/pymake/tests/ifdefs.mk
@@ -0,0 +1,127 @@
+ifdef FOO
+$(error FOO is not defined!)
+endif
+
+FOO = foo
+FOOFOUND = false
+BARFOUND = false
+BAZFOUND = false
+
+ifdef FOO
+FOOFOUND = true
+else ifdef BAR
+BARFOUND = true
+else
+BAZFOUND = true
+endif
+
+BAR2 = bar2
+FOO2FOUND = false
+BAR2FOUND = false
+BAZ2FOUND = false
+
+ifdef FOO2
+FOO2FOUND = true
+else ifdef BAR2
+BAR2FOUND = true
+else
+BAZ2FOUND = true
+endif
+
+FOO3FOUND = false
+BAR3FOUND = false
+BAZ3FOUND = false
+
+ifdef FOO3
+FOO3FOUND = true
+else ifdef BAR3
+BAR3FOUND = true
+else
+BAZ3FOUND = true
+endif
+
+ifdef RANDOM
+CONTINUATION = \
+else           \
+endif
+endif
+
+ifndef ASDFJK
+else
+$(error ASFDJK was not set)
+endif
+
+TESTSET =
+
+ifdef TESTSET
+$(error TESTSET was not set)
+endif
+
+TESTEMPTY = $(NULL)
+ifndef TESTEMPTY
+$(error TEST-FAIL TESTEMPTY was probably expanded!)
+endif
+
+# ifneq ( a,a)
+# $(error Arguments to ifeq should be stripped before evaluation)
+# endif
+
+XSPACE = x # trick
+
+ifneq ($(NULL),$(NULL))
+$(error TEST-FAIL ifneq)
+endif
+
+ifneq (x , x)
+$(error argument-stripping1)
+endif
+
+ifeq ( x,x )
+$(error argument-stripping2)
+endif
+
+ifneq ($(XSPACE), x )
+$(error argument-stripping3)
+endif
+
+ifeq 'x ' ' x'
+$(error TEST-FAIL argument-stripping4)
+endif
+
+all:
+	test $(FOOFOUND) = true   # FOOFOUND
+	test $(BARFOUND) = false  # BARFOUND
+	test $(BAZFOUND) = false  # BAZFOUND
+	test $(FOO2FOUND) = false # FOO2FOUND
+	test $(BAR2FOUND) = true  # BAR2FOUND
+	test $(BAZ2FOUND) = false # BAZ2FOUND
+	test $(FOO3FOUND) = false # FOO3FOUND
+	test $(BAR3FOUND) = false # BAR3FOUND
+	test $(BAZ3FOUND) = true  # BAZ3FOUND
+ifneq ($(FOO),foo)
+	echo TEST-FAIL 'FOO neq foo: "$(FOO)"'
+endif
+ifneq ($(FOO), foo) # Whitespace after the comma is stripped
+	echo TEST-FAIL 'FOO plus whitespace'
+endif
+ifeq ($(FOO), foo ) # But not trailing whitespace
+	echo TEST-FAIL 'FOO plus trailing whitespace'
+endif
+ifeq ( $(FOO),foo) # Not whitespace after the paren
+	echo TEST-FAIL 'FOO with leading whitespace'
+endif
+ifeq ($(FOO),$(NULL) foo) # Nor whitespace after expansion
+	echo TEST-FAIL 'FOO with embedded ws'
+endif
+ifeq ($(BAR2),bar)
+	echo TEST-FAIL 'BAR2 eq bar'
+endif
+ifeq '$(BAR3FOUND)' 'false'
+	echo BAR3FOUND is ok
+else
+	echo TEST-FAIL BAR3FOUND is not ok
+endif
+ifndef FOO
+	echo TEST-FAIL "foo not defined?"
+endif
+	@echo TEST-PASS