From f0305fb85796cc4dcc537123d6b9b3152cf0c4be Mon Sep 17 00:00:00 2001
From: jvoisin
Date: Sun, 20 Aug 2023 17:59:13 +0200
Subject: Add two tests for memchr

---
 tests/Makefile                   |  2 ++
 tests/test_memchr_dynamic_read.c | 16 ++++++++++++++++
 tests/test_memchr_static_read.c  | 17 +++++++++++++++++
 3 files changed, 35 insertions(+)
 create mode 100644 tests/test_memchr_dynamic_read.c
 create mode 100644 tests/test_memchr_static_read.c

diff --git a/tests/Makefile b/tests/Makefile
index b6183ce..d5f0a09 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -32,6 +32,8 @@ TARGETS= \
 	test_getlogin_r_dynamic      \
 	test_getlogin_r_static       \
 	test_malloc                  \
+	test_memchr_dynamic_read     \
+	test_memchr_static_read      \
 	test_memcpy_dynamic_read     \
 	test_memcpy_dynamic_write    \
 	test_memcpy_overwrite_over   \
diff --git a/tests/test_memchr_dynamic_read.c b/tests/test_memchr_dynamic_read.c
new file mode 100644
index 0000000..2f8d214
--- /dev/null
+++ b/tests/test_memchr_dynamic_read.c
@@ -0,0 +1,16 @@
+#include "common.h"
+
+#include <string.h>
+
+int main(int argc, char** argv) {
+  const char* buffer = "12345";
+  memchr(buffer, (int)'4', strlen(buffer) - 1);
+  puts(buffer);
+
+  CHK_FAIL_START
+  memchr(buffer, (int)'A', argc);
+  CHK_FAIL_END
+
+  puts(buffer);
+  return ret;
+}
diff --git a/tests/test_memchr_static_read.c b/tests/test_memchr_static_read.c
new file mode 100644
index 0000000..ccf46af
--- /dev/null
+++ b/tests/test_memchr_static_read.c
@@ -0,0 +1,17 @@
+#include "common.h"
+
+#include <string.h>
+
+int main(int argc, char** argv) {
+  const char* buffer = "12345";
+  const char* padding = "ABCDEFGHIJKLMN";
+  memchr(buffer, (int)'4', strlen(buffer) - 1);
+  puts(buffer);
+
+  CHK_FAIL_START
+  memchr(buffer, (int)'A', strlen(buffer) + 4);
+  CHK_FAIL_END
+
+  puts(buffer);
+  return ret;
+}
-- 
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