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

examples/utest/testcases/posix/stdlib_h/functions/atol_tc.c

@@ -0,0 +1,69 @@
+#include <inttypes.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+
+
+struct atol_data
+{
+    char string[15];    // long max 2147483647
+    int  ret_num;
+};
+
+struct atol_data test_data1[] =
+{
+    /* positive integer */
+    {"0", 0},
+    {"1", 1},
+    {"1.123", 1},
+    {"123", 123},
+    {"98993489", 98993489},
+    {"98993489.12", 98993489},
+    {"2147483647", 2147483647},
+
+    /* negtive integer */
+    {"-1", -1},
+    {"-1.123", -1},
+    {"-123", -123},
+    {"-98993489", -98993489},
+    {"-98993489.12", -98993489},
+    {"-2147483647", -2147483647},
+
+    /* letters and numbers */
+    {"12a45", 12},
+    {"-12a45", -12},
+    {"12/45", 12},
+    {"-12/45", -12},
+
+    /* cannot be resolved */
+    {"", 0},
+    {" ", 0},
+    {"abc12", 0},
+    {" abc12", 0},
+    /* {NULL, -1}  compiler warning */
+};
+
+#include <utest.h>
+int atol_entry(void)
+{
+    int i = 0;
+    int res = 0;
+    for (i = 0; i < sizeof(test_data1) / sizeof(test_data1[0]); i++)
+    {
+        res = atol(test_data1[i].string);
+        uassert_int_equal(res, test_data1[i].ret_num);
+    }
+    return 0;
+}
+
+static void test_atol(void)
+{
+    atol_entry();
+}
+static void testcase(void)
+{
+    UTEST_UNIT_RUN(test_atol);
+}
+UTEST_TC_EXPORT(testcase, "posix.stdlib_h.atol_tc.c", RT_NULL, RT_NULL, 10);
+