Consistently use #if defined(__BIONIC__) in tests.
I've also switched some tests to be positive rather than negative,
because !defined is slightly harder to reason about and there are
only two cases: bionic and glibc.
Change-Id: I8d3ac40420ca5aead3e88c69cf293f267273c8ef
diff --git a/tests/stdlib_test.cpp b/tests/stdlib_test.cpp
index fc0f0e1..978a60f 100644
--- a/tests/stdlib_test.cpp
+++ b/tests/stdlib_test.cpp
@@ -42,7 +42,7 @@
EXPECT_EQ(902267124, lrand48());
EXPECT_EQ(132366131, lrand48());
-#if __BIONIC__
+#if defined(__BIONIC__)
// On bionic, random(3) is equivalent to lrand48...
srandom(0x01020304);
EXPECT_EQ(1409163720, random());