1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * efi_selftest_textoutput
4  *
5  * Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
6  *
7  * Test the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.
8  *
9  * The following services are tested:
10  * OutputString, TestString, SetAttribute.
11  */
12 
13 #include <efi_selftest.h>
14 
15 /*
16  * Execute unit test.
17  *
18  * @return:	EFI_ST_SUCCESS for success
19  */
20 static int execute(void)
21 {
22 	size_t foreground;
23 	size_t background;
24 	size_t attrib;
25 	efi_status_t ret;
26 
27 	/* SetAttribute */
28 	efi_st_printf("\nColor palette\n");
29 	for (foreground = 0; foreground < 0x10; ++foreground) {
30 		for (background = 0; background < 0x80; background += 0x10) {
31 			attrib = foreground | background;
32 			con_out->set_attribute(con_out, attrib);
33 			efi_st_printf("%p", (void *)attrib);
34 		}
35 		con_out->set_attribute(con_out, 0);
36 		efi_st_printf("\n");
37 	}
38 	/* TestString */
39 	ret = con_out->test_string(con_out,
40 			L" !\"#$%&'()*+,-./0-9:;<=>?@A-Z[\\]^_`a-z{|}~\n");
41 	if (ret != EFI_ST_SUCCESS) {
42 		efi_st_error("TestString failed for ANSI characters\n");
43 		return EFI_ST_FAILURE;
44 	}
45 	return EFI_ST_SUCCESS;
46 }
47 
48 EFI_UNIT_TEST(textoutput) = {
49 	.name = "text output",
50 	.phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
51 	.execute = execute,
52 };
53