From 0048fb03ee1e202f0817fdb5d6780bcaaa8ddcc9 Mon Sep 17 00:00:00 2001
From: Lephenixnoir <sebastien.michelland@protonmail.com>
Date: Sun, 23 May 2021 17:43:14 +0200
Subject: [PATCH] string: add tests for a bunch of naive str functions

---
 CMakeLists.txt         |  1 +
 include/ft/all-tests.h |  2 ++
 src/main.c             |  8 ++---
 src/string/naive.c     | 71 ++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 77 insertions(+), 5 deletions(-)
 create mode 100644 src/string/naive.c

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f848195..c9b5916 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,6 +36,7 @@ set(SOURCES
   src/string/core.c
   src/string/memarray.c
   src/string/misc.c
+  src/string/naive.c
 )
 # fx-9860G-only assets and fx-CG-50-only assets
 set(ASSETS_fx
diff --git a/include/ft/all-tests.h b/include/ft/all-tests.h
index 6ccb7c0..1c8cb87 100644
--- a/include/ft/all-tests.h
+++ b/include/ft/all-tests.h
@@ -29,5 +29,7 @@ extern ft_test ft_string_memmove;
 extern ft_test ft_string_memcmp;
 extern ft_test ft_string_memchr;
 extern ft_test ft_string_strlen;
+extern ft_test ft_string_naive;
+extern ft_test ft_string_strerror;
 
 #endif /* _FT_ALL_TESTS_H_ */
diff --git a/src/main.c b/src/main.c
index 1b86219..cc1ca06 100644
--- a/src/main.c
+++ b/src/main.c
@@ -30,11 +30,7 @@ ft_list headers_libc[] = {
     { "<locale.h>", NULL },
     { "<setjmp.h>", NULL },
     { "<signal.h>", NULL },
-    { "<stdio.h>", NULL },/*(ft_test[]){
-        { "Formatted printing basics", NULL, NULL },
-        { "Format types and options",  NULL, NULL },
-        { NULL },
-    }}, */
+    { "<stdio.h>", NULL },
     { "<stdlib.h>", (ft_test*[]){
         &ft_stdlib_arith,
         &ft_stdlib_sizes,
@@ -50,6 +46,8 @@ ft_list headers_libc[] = {
         &ft_string_memcmp,
         &ft_string_memchr,
         &ft_string_strlen,
+        &ft_string_naive,
+        &ft_string_strerror,
         NULL,
     }},
     { "<time.h>", NULL },
diff --git a/src/string/naive.c b/src/string/naive.c
new file mode 100644
index 0000000..5e208e8
--- /dev/null
+++ b/src/string/naive.c
@@ -0,0 +1,71 @@
+#include <ft/test.h>
+#include <ft/all-tests.h>
+#include <string.h>
+#include <errno.h>
+
+static void _ft_string_naive(ft_test *t)
+{
+	char const *s1;
+	char s2[64];
+
+	s1 = "xyztuvxyztuv";
+	ft_assert(t, strchr(s1, 'z') == s1 + 2);
+	ft_assert(t, strchr(s1, 'w') == NULL);
+	ft_assert(t, strrchr(s1, 'u') == s1 + 10);
+	ft_assert(t, strrchr(s1, 'x') == s1 + 6);
+	ft_assert(t, strrchr(s1, 'w') == NULL);
+	ft_assert(t, strchrnul(s1, 't') == s1 + 3);
+	ft_assert(t, strchrnul(s1, 'w') == s1 + 12);
+
+	ft_assert(t, strcmp("xyz", "xyz") == 0);
+	ft_assert(t, strcmp("xyz\0t", "xyz\0v") == 0);
+	ft_assert(t, strcmp("xyz", "xyt") == 6);
+	ft_assert(t, strcmp("xyt", "xyz") == -6);
+	ft_assert(t, strcmp("ab", "abc") == -'c');
+	ft_assert(t, strcmp("", "") == 0);
+	ft_assert(t, strcmp("x", "") == 'x');
+	ft_assert(t, strncmp("xyz", "xyt", 2) == 0);
+	ft_assert(t, strncmp("xyz\0t", "xyz\0v", 5) == 0);
+
+	strcpy(s2, s1);
+	ft_assert(t, strcmp(s1, s2) == 0);
+
+	memset(s2, 0x55, sizeof s2);
+	strncpy(s2, s1, 10);
+	ft_assert(t, strcmp(s1, s2) != 0 && strncmp(s1, s2, 10) == 0);
+
+	strncpy(s2, s1, 15);
+	ft_assert(t, memcmp(s2, "xyztuvxyztuv\0\0\0", 15) == 0);
+
+	strncpy(s2, s1, 5);
+	s2[5] = 0;
+	strcat(s2, s1 + 5);
+	ft_assert(t, strcmp(s1, s2) == 0);
+
+	memset(s2, 0x55, sizeof s2);
+	strncpy(s2, s1, 4);
+	s2[4] = 0;
+	strncat(s2, s1 + 4, 4);
+	ft_assert(t, strcmp(s1, s2) != 0 && strncmp(s1, s2, 8) == 0);
+	ft_assert(t, strcmp(s2, "xyztuvxy") == 0);
+}
+
+ft_test ft_string_naive = {
+	.name = "Naive string functions",
+	.function = _ft_string_naive,
+};
+
+static void _ft_string_strerror(ft_test *t)
+{
+	ft_log(t, "0: %s\n", strerror(0));
+	ft_log(t, "EDOM: %s\n", strerror(EDOM));
+	ft_log(t, "EILSEQ: %s\n", strerror(EILSEQ));
+	ft_log(t, "ERANGE: %s\n", strerror(ERANGE));
+	ft_log(t, "-1: %s\n", strerror(-1));
+	ft_log(t, "999999: %s\n", strerror(999999));
+}
+
+ft_test ft_string_strerror = {
+	.name = "strerror messages",
+	.function = _ft_string_strerror,
+};