test(read): adding the read function to test

test/main.c

@@ -108,18 +108,67 @@ static void _test_write(void)
 	putchar('\n');
 }
 
+static void _test_read(void)
+{
+	int original, homemade;
+	int err_original, err_homemade;
+	int test_file;
+	char buf_orig[100];
+	char buf_home[100];
+
+	printf("\n%sTesting '%sft_read%s'%s\n",
+		CLR_YELLOW, CLR_BLUE, CLR_YELLOW, RESET);
+	errno = 0;
+	homemade = ft_read(1, NULL, 10);
+	err_homemade = errno;
+	printf("%s✔%s ", CLR_GREEN, RESET);
+	for (int i = 0; strs[i]; i++)
+	{
+		test_file = open("/tmp/rparodi_libasm_read.txt", O_WRONLY | O_CREAT | O_TRUNC, 0644);
+		write(test_file, strs[i], strlen(strs[i]));
+		test_file = open("/tmp/rparodi_libasm_read.txt", O_RDONLY);
+		errno = 0;
+		original = read(test_file, buf_orig, sizeof(buf_orig));
+		err_original = errno;
+		buf_orig[original > 0 ? original : 0] = '\0';
+		lseek(test_file, 0, SEEK_SET);
+		errno = 0;
+		homemade = ft_read(test_file, buf_home, sizeof(buf_home));
+		err_homemade = errno;
+		buf_home[homemade > 0 ? homemade : 0] = '\0';
+		if (original == homemade && err_original == err_homemade && ((original <= 0) || strcmp(buf_orig, buf_home) == 0))
+			printf("%s✔%s ", CLR_GREEN, RESET);
+		else
+			dprintf(2, "\t%s✘%s ", CLR_RED, RESET);
+		close(test_file);
+	}
+	errno = 0;
+	original = read(-1, buf_orig, 10);
+	err_original = errno;
+	errno = 0;
+	homemade = ft_read(-1, buf_home, 10);
+	err_homemade = errno;
+	if (original == homemade && err_original == err_homemade)
+		printf("%s✔%s ", CLR_GREEN, RESET);
+	else
+		printf("%s✘%s ", CLR_RED, RESET);
+	putchar('\n');
+}
+
 int	main(int argc, char *argv[])
 {
 	t_test_func tests[] = {
 		_test_strlen,
 		_test_strcmp,
 		_test_write,
+		_test_read,
 		NULL
 	};
 	char *func_name[] = {
 		"strlen",
 		"strcmp",
 		"write",
+		"read",
 		NULL
 	};