From 707605b1004ddafd5f5fbf935cc3d4a2eda6e72c Mon Sep 17 00:00:00 2001
From: Damian Modzelewski <damian.modzelewski@phoenix-rtos.com>
Date: Fri, 14 Apr 2023 13:10:28 +0200
Subject: [PATCH] libc: strchr tests: add test group for ASCII compare

JIRA: CI-232
---
 libc/main.c          |  3 ++-
 libc/string_lenchr.c | 37 ++++++++++++++++++++++++++++++++++++-
 2 files changed, 38 insertions(+), 2 deletions(-)

diff --git a/libc/main.c b/libc/main.c
index 9236ea1c8..c240104ff 100644
--- a/libc/main.c
+++ b/libc/main.c
@@ -41,7 +41,6 @@ void runner(void)
 	RUN_TEST_GROUP(test_pthread_cond);
 	RUN_TEST_GROUP(strtod_family);
 	RUN_TEST_GROUP(stdlib_alloc);
-	RUN_TEST_GROUP(string_len);
 	RUN_TEST_GROUP(stdlib_env);
 	RUN_TEST_GROUP(ctype);
 	RUN_TEST_GROUP(stdio_scanf_d);
@@ -54,6 +53,8 @@ void runner(void)
 	RUN_TEST_GROUP(stdio_scanf_squareBrackets);
 	RUN_TEST_GROUP(stdio_scanf_rest);
 	RUN_TEST_GROUP(string_chr);
+	RUN_TEST_GROUP(string_len);
+	RUN_TEST_GROUP(string_spn);
 }
 
 
diff --git a/libc/string_lenchr.c b/libc/string_lenchr.c
index 52b36bf2c..060a2881c 100644
--- a/libc/string_lenchr.c
+++ b/libc/string_lenchr.c
@@ -30,9 +30,12 @@
 #include <limits.h>
 #include <unity_fixture.h>
 
+#define BUFF_SIZE 128
+
 
 TEST_GROUP(string_len);
 TEST_GROUP(string_chr);
+TEST_GROUP(string_spn);
 
 
 TEST_SETUP(string_len)
@@ -53,7 +56,7 @@ TEST(string_len, ascii)
 			   doubleNul[] = "\0\0abc",
 			   specials[] = "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~",
 			   whites[] = " \v\t\r\n";
-	char asciiSet[128] = { 0 };
+	char asciiSet[BUFF_SIZE] = { 0 };
 	int sz, i;
 
 	TEST_ASSERT_EQUAL_INT(0, strlen(""));
@@ -154,6 +157,33 @@ TEST(string_len, big)
 }
 
 
+TEST_SETUP(string_spn)
+{
+}
+
+
+TEST_TEAR_DOWN(string_spn)
+{
+}
+
+TEST(string_spn, ascii)
+{
+	char asciiSet[BUFF_SIZE] = { 0 };
+	char supportAsciiSet[BUFF_SIZE] = { 0 };
+	int i;
+
+	for (i = 1; i < BUFF_SIZE; i++) {
+		asciiSet[i - 1] = i;
+	}
+
+	for (i = 1; i < BUFF_SIZE; i++) {
+		supportAsciiSet[i - 1] = i;
+		TEST_ASSERT_EQUAL_INT(i, strcspn(asciiSet, &asciiSet[i]));
+		TEST_ASSERT_EQUAL_INT(i, strspn(asciiSet, supportAsciiSet));
+	}
+}
+
+
 /*
 ////////////////////////////////////////////////////////////////////////////////////
 */
@@ -408,6 +438,11 @@ TEST_GROUP_RUNNER(string_len)
 	RUN_TEST_CASE(string_len, big);
 }
 
+TEST_GROUP_RUNNER(string_spn)
+{
+	RUN_TEST_CASE(string_spn, ascii);
+}
+
 
 TEST_GROUP_RUNNER(string_chr)
 {