From c63f340d90800895f007de64b7d2d14624263331 Mon Sep 17 00:00:00 2001
From: nthnluu <nate1299@me.com>
Date: Sun, 28 Jan 2024 21:20:27 -0500
Subject: Created student weenix repository

---
 user/lib/libtest/test.c | 202 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 202 insertions(+)
 create mode 100644 user/lib/libtest/test.c

(limited to 'user/lib/libtest/test.c')

diff --git a/user/lib/libtest/test.c b/user/lib/libtest/test.c
new file mode 100644
index 0000000..eeac059
--- /dev/null
+++ b/user/lib/libtest/test.c
@@ -0,0 +1,202 @@
+#include <test/test.h>
+
+#include <fcntl.h>
+#include <sys/mman.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+typedef struct test_data
+{
+    int td_passed;
+    int td_failed;
+} test_data_t;
+
+static void _default_test_fail(const char *file, int line, const char *name,
+                               const char *fmt, va_list args);
+
+static void _default_test_pass(int val, const char *file, int line,
+                               const char *name, const char *fmt, va_list args);
+
+static test_data_t *_test_data = NULL;
+static test_pass_func_t _pass_func = _default_test_pass;
+static test_fail_func_t _fail_func = _default_test_fail;
+
+void test_init(void)
+{
+    int zfd = -1;
+
+    if (0 > (zfd = open("/dev/zero", O_RDWR, 0)))
+    {
+        printf("test_init: open(\"/dev/zero\"): %s\n", strerror(errno));
+        goto failed;
+    }
+
+    if (MAP_FAILED ==
+        (_test_data = mmap(NULL, sizeof(*_test_data), PROT_READ | PROT_WRITE,
+                           MAP_SHARED, zfd, 0)))
+    {
+        printf("test_init: mmap(\"/dev/zero\"): %s\n", strerror(errno));
+        goto failed;
+    }
+
+    if (0 > close(zfd))
+    {
+        printf("test_init: close(\"/dev/zero\"): %s\n", strerror(errno));
+        goto failed;
+    }
+
+    _test_data->td_passed = 0;
+    _test_data->td_failed = 0;
+    return;
+
+failed:
+    printf("could not initialize testing library, exiting\n");
+    exit(-1);
+}
+
+void test_fini(void)
+{
+    printf("tests completed:\n");
+    printf("%d passed\n", _test_data->td_passed);
+    printf("%d failed\n", _test_data->td_failed);
+}
+
+const char *test_errstr(int err)
+{
+    switch (err)
+    {
+    case 1:
+        return "EPERM";
+    case 2:
+        return "ENOENT";
+    case 3:
+        return "ESRCH";
+    case 4:
+        return "EINTR";
+    case 5:
+        return "EIO";
+    case 6:
+        return "ENXIO";
+    case 7:
+        return "E2BIG";
+    case 8:
+        return "ENOEXEC";
+    case 9:
+        return "EBADF";
+    case 10:
+        return "ECHILD";
+    case 11:
+        return "EAGAIN";
+    case 12:
+        return "ENOMEM";
+    case 13:
+        return "EACCES";
+    case 14:
+        return "EFAULT";
+    case 15:
+        return "ENOTBLK";
+    case 16:
+        return "EBUSY";
+    case 17:
+        return "EEXIST";
+    case 18:
+        return "EXDEV";
+    case 19:
+        return "ENODEV";
+    case 20:
+        return "ENOTDIR";
+    case 21:
+        return "EISDIR";
+    case 22:
+        return "EINVAL";
+    case 23:
+        return "ENFILE";
+    case 24:
+        return "EMFILE";
+    case 25:
+        return "ENOTTY";
+    case 26:
+        return "ETXTBSY";
+    case 27:
+        return "EFBIG";
+    case 28:
+        return "ENOSPC";
+    case 29:
+        return "ESPIPE";
+    case 30:
+        return "EROFS";
+    case 31:
+        return "EMLINK";
+    case 32:
+        return "EPIPE";
+    case 33:
+        return "EDOM";
+    case 34:
+        return "ERANGE";
+    case 35:
+        return "EDEADLK";
+    case 36:
+        return "ENAMETOOLONG";
+    case 37:
+        return "ENOLCK";
+    case 38:
+        return "ENOSYS";
+    case 39:
+        return "ENOTEMPTY";
+    case 40:
+        return "ELOOP";
+    default:
+        return "UNKNOWN";
+    }
+}
+
+static void _default_test_fail(const char *file, int line, const char *name,
+                               const char *fmt, va_list args)
+{
+    _test_data->td_failed++;
+    if (NULL == fmt)
+    {
+        printf("FAILED: %s(%d): %s\n", file, line, name);
+    }
+    else
+    {
+        printf("FAILED: %s(%d): %s: ", file, line, name);
+        vprintf(fmt, args);
+        printf("\n");
+    }
+}
+
+static void _default_test_pass(int val, const char *file, int line,
+                               const char *name, const char *fmt,
+                               va_list args)
+{
+    _test_data->td_passed++;
+}
+
+int _test_assert(int val, const char *file, int line, const char *name,
+                 const char *fmt, ...)
+{
+    va_list args;
+    va_start(args, fmt);
+
+    if (0 == val)
+    {
+        if (NULL != _fail_func)
+        {
+            _fail_func(file, line, name, fmt, args);
+        }
+    }
+    else
+    {
+        if (NULL != _pass_func)
+        {
+            _pass_func(val, file, line, name, fmt, args);
+        }
+    }
+
+    va_end(args);
+    return val;
+}
-- 
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