Improve system() coverage.
There's a weird POSIX special case that we implement but don't test.
Found from looking through the coverage data.
Test: treehugger
Change-Id: I74f5f57c4d8062034a3f6e986f9e57091bfc7f7c
diff --git a/tests/stdlib_test.cpp b/tests/stdlib_test.cpp
index bb1fd7c..90ef861 100644
--- a/tests/stdlib_test.cpp
+++ b/tests/stdlib_test.cpp
@@ -489,6 +489,12 @@
ASSERT_EQ(1, WEXITSTATUS(status));
}
+TEST(stdlib, system_NULL) {
+ // "The system() function shall always return non-zero when command is NULL."
+ // http://pubs.opengroup.org/onlinepubs/9699919799/functions/system.html
+ ASSERT_NE(0, system(nullptr));
+}
+
TEST(stdlib, atof) {
ASSERT_DOUBLE_EQ(1.23, atof("1.23"));
}