posix: Implement tests for confstr

Add tests for `confstr()`

signed-off-by: Gaetan Perrot <[email protected]>

Author: moonlight83340

tests/posix/common/src/confstr.c

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2024 Perrot Gaetan
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/ztest.h>
+#include <zephyr/posix/unistd.h>
+#include <errno.h>
+
+ZTEST(posix_apis, test_posix_confstr)
+{
+	size_t ret;
+	char *buf = NULL;
+
+	ret = confstr(_CS_PATH, buf, 0);
+	zassert_equal(ret, 0,"ztress_execute failed (ret: %d)", ret);
+	zassert_not_equal(errno, EINVAL);
+
+	ret = confstr(200, buf, 0);
+	zassert_equal(ret, 0);
+	zassert_equal(errno, EINVAL);
+}

tests/posix/headers/src/unistd_h.c

@@ -117,24 +117,24 @@ ZTEST(posix_headers, test_unistd_h)
 	/* zassert_not_equal(-1, W_OK); */ /* not implemented */
 	/* zassert_not_equal(-1, X_OK); */ /* not implemented */
 
-	/* zassert_not_equal(INT_MIN, _CS_PATH); */ /* not implemented */
+	zassert_not_equal(INT_MIN, _CS_PATH);
 
-	/* zassert_not_equal(INT_MIN, _CS_POSIX_V7_ILP32_OFF32_CFLAGS); */ /* not implemented */
-	/* zassert_not_equal(INT_MIN, _CS_POSIX_V7_ILP32_OFF32_LDFLAGS); */ /* not implemented */
-	/* zassert_not_equal(INT_MIN, _CS_POSIX_V7_ILP32_OFF32_LIBS); */ /* not implemented */
-	/* zassert_not_equal(INT_MIN, _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS); */ /* not implemented */
-	/* zassert_not_equal(INT_MIN, _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS); */ /* not implemented */
-	/* zassert_not_equal(INT_MIN, _CS_POSIX_V7_ILP32_OFFBIG_LIBS); */ /* not implemented */
-	/* zassert_not_equal(INT_MIN, _CS_POSIX_V7_LP64_OFF64_CFLAGS); */ /* not implemented */
-	/* zassert_not_equal(INT_MIN, _CS_POSIX_V7_LP64_OFF64_LDFLAGS); */ /* not implemented */
-	/* zassert_not_equal(INT_MIN, _CS_POSIX_V7_LP64_OFF64_LIBS); */ /* not implemented */
-	/* zassert_not_equal(INT_MIN, _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS); */ /* not implemented */
-	/* zassert_not_equal(INT_MIN, _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS); */ /* not implemented */
-	/* zassert_not_equal(INT_MIN, _CS_POSIX_V7_LPBIG_OFFBIG_LIBS); */ /* not implemented */
-	/* zassert_not_equal(INT_MIN, _CS_POSIX_V7_THREADS_CFLAGS); */ /* not implemented */
-	/* zassert_not_equal(INT_MIN, _CS_POSIX_V7_THREADS_LDFLAGS); */ /* not implemented */
-	/* zassert_not_equal(INT_MIN, _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS); */ /* not implemented */
-	/* zassert_not_equal(INT_MIN, _CS_V7_ENV); */ /* not implemented */
+	zassert_not_equal(INT_MIN, _CS_POSIX_V7_ILP32_OFF32_CFLAGS);
+	zassert_not_equal(INT_MIN, _CS_POSIX_V7_ILP32_OFF32_LDFLAGS);
+	zassert_not_equal(INT_MIN, _CS_POSIX_V7_ILP32_OFF32_LIBS);
+	zassert_not_equal(INT_MIN, _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS);
+	zassert_not_equal(INT_MIN, _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS);
+	zassert_not_equal(INT_MIN, _CS_POSIX_V7_ILP32_OFFBIG_LIBS);
+	zassert_not_equal(INT_MIN, _CS_POSIX_V7_LP64_OFF64_CFLAGS);
+	zassert_not_equal(INT_MIN, _CS_POSIX_V7_LP64_OFF64_LDFLAGS);
+	zassert_not_equal(INT_MIN, _CS_POSIX_V7_LP64_OFF64_LIBS);
+	zassert_not_equal(INT_MIN, _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS);
+	zassert_not_equal(INT_MIN, _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS);
+	zassert_not_equal(INT_MIN, _CS_POSIX_V7_LPBIG_OFFBIG_LIBS);
+	zassert_not_equal(INT_MIN, _CS_POSIX_V7_THREADS_CFLAGS);
+	zassert_not_equal(INT_MIN, _CS_POSIX_V7_THREADS_LDFLAGS);
+	zassert_not_equal(INT_MIN, _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS);
+	zassert_not_equal(INT_MIN, _CS_V7_ENV);
 
 	/* zassert_not_equal(-1, F_LOCK); */ /* not implemented */
 	/* zassert_not_equal(-1, F_TEST); */ /* not implemented */
@@ -308,7 +308,7 @@ ZTEST(posix_headers, test_unistd_h)
 	/* zassert_not_null(chdir); */ /* not implemented */
 	/* zassert_not_null(chown); */ /* not implemented */
 	zassert_not_null(close);
-	/* zassert_not_null(confstr); */ /* not implemented */
+	zassert_not_null(confstr);
 	/* zassert_not_null(crypt); */ /* not implemented */
 	/* zassert_not_null(dup); */ /* not implemented */
 	/* zassert_not_null(dup2); */ /* not implemented */