efi_selftest_textoutput.c
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// SPDX-License-Identifier: GPL-2.0+
/*
* efi_selftest_textoutput
*
* Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
*
* Test the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.
*
* The following services are tested:
* OutputString, TestString, SetAttribute.
*/
#include <efi_selftest.h>
/*
* Execute unit test.
*
* @return: EFI_ST_SUCCESS for success
*/
static int execute(void)
{
size_t foreground;
size_t background;
size_t attrib;
efi_status_t ret;
s16 col;
u16 cr[] = { 0x0d, 0x00 };
u16 lf[] = { 0x0a, 0x00 };
u16 brahmi[] = { /* 2 Brahmi letters */
0xD804, 0xDC05,
0xD804, 0xDC22,
0};
/* SetAttribute */
efi_st_printf("\nColor palette\n");
for (foreground = 0; foreground < 0x10; ++foreground) {
for (background = 0; background < 0x80; background += 0x10) {
attrib = foreground | background;
con_out->set_attribute(con_out, attrib);
efi_st_printf("%p", (void *)attrib);
}
con_out->set_attribute(con_out, 0);
efi_st_printf("\n");
}
/* TestString */
ret = con_out->test_string(con_out,
L" !\"#$%&'()*+,-./0-9:;<=>?@A-Z[\\]^_`a-z{|}~\n");
if (ret != EFI_ST_SUCCESS) {
efi_st_error("TestString failed for ANSI characters\n");
return EFI_ST_FAILURE;
}
/* OutputString */
ret = con_out->output_string(con_out,
L"Testing cursor column update\n");
if (ret != EFI_ST_SUCCESS) {
efi_st_error("OutputString failed for ANSI characters");
return EFI_ST_FAILURE;
}
col = con_out->mode->cursor_column;
ret = con_out->output_string(con_out, lf);
if (ret != EFI_ST_SUCCESS) {
efi_st_error("OutputString failed for line feed\n");
return EFI_ST_FAILURE;
}
if (con_out->mode->cursor_column != col) {
efi_st_error("Cursor column changed by line feed\n");
return EFI_ST_FAILURE;
}
ret = con_out->output_string(con_out, cr);
if (ret != EFI_ST_SUCCESS) {
efi_st_error("OutputString failed for carriage return\n");
return EFI_ST_FAILURE;
}
if (con_out->mode->cursor_column) {
efi_st_error("Cursor column not 0 at beginning of line\n");
return EFI_ST_FAILURE;
}
ret = con_out->output_string(con_out, L"123");
if (ret != EFI_ST_SUCCESS) {
efi_st_error("OutputString failed for ANSI characters\n");
return EFI_ST_FAILURE;
}
if (con_out->mode->cursor_column != 3) {
efi_st_error("Cursor column not incremented properly\n");
return EFI_ST_FAILURE;
}
ret = con_out->output_string(con_out, L"\b");
if (ret != EFI_ST_SUCCESS) {
efi_st_error("OutputString failed for backspace\n");
return EFI_ST_FAILURE;
}
if (con_out->mode->cursor_column != 2) {
efi_st_error("Cursor column not decremented properly\n");
return EFI_ST_FAILURE;
}
ret = con_out->output_string(con_out, L"\b\b");
if (ret != EFI_ST_SUCCESS) {
efi_st_error("OutputString failed for backspace\n");
return EFI_ST_FAILURE;
}
if (con_out->mode->cursor_column) {
efi_st_error("Cursor column not decremented properly\n");
return EFI_ST_FAILURE;
}
ret = con_out->output_string(con_out, L"\b\b");
if (ret != EFI_ST_SUCCESS) {
efi_st_error("OutputString failed for backspace\n");
return EFI_ST_FAILURE;
}
if (con_out->mode->cursor_column) {
efi_st_error("Cursor column decremented past zero\n");
return EFI_ST_FAILURE;
}
ret = con_out->output_string(con_out, brahmi);
if (ret != EFI_ST_SUCCESS) {
efi_st_todo("Unicode output not fully supported\n");
} else if (con_out->mode->cursor_column != 2) {
efi_st_printf("Unicode not handled properly\n");
return EFI_ST_FAILURE;
}
efi_st_printf("\n");
return EFI_ST_SUCCESS;
}
EFI_UNIT_TEST(textoutput) = {
.name = "text output",
.phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
.execute = execute,
};