import RT-Thread@9217865c without bsp, libcpu and components/net

examples/utest/testcases/posix/stdio_h/functions/ftell_tc.c

@@ -0,0 +1,38 @@
+#include <stdio.h>
+#include <string.h>
+
+static int ftell_entry(void)
+{
+    FILE *stream;
+    char str[] = "123456789";
+    int ret = 0;
+
+    stream = fopen("fopen_file.txt","w");
+    if (stream == NULL)
+    {
+        perror("fopen");
+        ret = -1;
+    }
+    else
+    {
+        fprintf(stream, "%s",str);
+        if(ftell(stream) != strlen(str))
+        {
+            ret = -1;
+        }
+        fclose(stream);
+    }
+    return ret;
+}
+
+#include <utest.h>
+static void test_ftell(void)
+{
+    uassert_int_equal(ftell_entry(), 0);
+}
+static void testcase(void)
+{
+    UTEST_UNIT_RUN(test_ftell);
+}
+UTEST_TC_EXPORT(testcase, "rtt_posix_testcase.stdio_h."__FILE__, RT_NULL, RT_NULL, 10);
+