The test case for text output is updated to check correct updating
of the cursor position.

Signed-off-by: Heinrich Schuchardt <[email protected]>
---
 lib/efi_selftest/efi_selftest_textoutput.c | 78 ++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)

diff --git a/lib/efi_selftest/efi_selftest_textoutput.c 
b/lib/efi_selftest/efi_selftest_textoutput.c
index 6e8c90cc8b..22a28508a3 100644
--- a/lib/efi_selftest/efi_selftest_textoutput.c
+++ b/lib/efi_selftest/efi_selftest_textoutput.c
@@ -24,6 +24,13 @@ static int execute(void)
        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");
@@ -43,6 +50,77 @@ static int execute(void)
                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;
 }
 
-- 
2.14.2

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