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Diffstat (limited to 'src/libs/3rdparty/winpty/misc/winbug-15048.cc')
| -rw-r--r-- | src/libs/3rdparty/winpty/misc/winbug-15048.cc | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/src/libs/3rdparty/winpty/misc/winbug-15048.cc b/src/libs/3rdparty/winpty/misc/winbug-15048.cc new file mode 100644 index 0000000000..0e98d648c5 --- /dev/null +++ b/src/libs/3rdparty/winpty/misc/winbug-15048.cc @@ -0,0 +1,201 @@ +/* + +Test program demonstrating a problem in Windows 15048's ReadConsoleOutput API. + +To compile: + + cl /nologo /EHsc winbug-15048.cc shell32.lib + +Example of regressed input: + +Case 1: + + > chcp 932 + > winbug-15048 -face-gothic 3044 + + Correct output: + + 1**34 (nb: U+3044 replaced with '**' to avoid MSVC encoding warning) + 5678 + + ReadConsoleOutputW (both rows, 3 cols) + row 0: U+0031(0007) U+3044(0107) U+3044(0207) U+0033(0007) + row 1: U+0035(0007) U+0036(0007) U+0037(0007) U+0038(0007) + + ReadConsoleOutputW (both rows, 4 cols) + row 0: U+0031(0007) U+3044(0107) U+3044(0207) U+0033(0007) U+0034(0007) + row 1: U+0035(0007) U+0036(0007) U+0037(0007) U+0038(0007) U+0020(0007) + + ReadConsoleOutputW (second row) + row 1: U+0035(0007) U+0036(0007) U+0037(0007) U+0038(0007) U+0020(0007) + + ... + + Win10 15048 bad output: + + 1**34 + 5678 + + ReadConsoleOutputW (both rows, 3 cols) + row 0: U+0031(0007) U+3044(0007) U+0033(0007) U+0035(0007) + row 1: U+0036(0007) U+0037(0007) U+0038(0007) U+0000(0000) + + ReadConsoleOutputW (both rows, 4 cols) + row 0: U+0031(0007) U+3044(0007) U+0033(0007) U+0034(0007) U+0035(0007) + row 1: U+0036(0007) U+0037(0007) U+0038(0007) U+0020(0007) U+0000(0000) + + ReadConsoleOutputW (second row) + row 1: U+0035(0007) U+0036(0007) U+0037(0007) U+0038(0007) U+0020(0007) + + ... + + The U+3044 character (HIRAGANA LETTER I) occupies two columns, but it only + fills one record in the ReadConsoleOutput output buffer, which has the + effect of shifting the first cell of the second row into the last cell of + the first row. Ordinarily, the first and second cells would also have the + COMMON_LVB_LEADING_BYTE and COMMON_LVB_TRAILING_BYTE attributes set, which + allows winpty to detect the double-column character. + +Case 2: + + > chcp 437 + > winbug-15048 -face "Lucida Console" -h 4 221A + + The same issue happens with U+221A (SQUARE ROOT), but only in certain + fonts. The console seems to think this character occupies two columns + if the font is sufficiently small. The Windows console properties dialog + doesn't allow fonts below 5 pt, but winpty tries to use 2pt and 4pt Lucida + Console to allow very large console windows. + +Case 3: + + > chcp 437 + > winbug-15048 -face "Lucida Console" -h 12 FF12 + + The console selection system thinks U+FF12 (FULLWIDTH DIGIT TWO) occupies + two columns, which happens to be correct, but it's displayed as a single + column unrecognized character. It otherwise behaves the same as the other + cases. + +*/ + +#include <windows.h> +#include <assert.h> +#include <string.h> +#include <stdlib.h> +#include <stdio.h> +#include <wchar.h> + +#include <string> + +#define COUNT_OF(array) (sizeof(array) / sizeof((array)[0])) + +// See https://en.wikipedia.org/wiki/List_of_CJK_fonts +const wchar_t kMSGothic[] = { 0xff2d, 0xff33, 0x0020, 0x30b4, 0x30b7, 0x30c3, 0x30af, 0 }; // Japanese +const wchar_t kNSimSun[] = { 0x65b0, 0x5b8b, 0x4f53, 0 }; // Simplified Chinese +const wchar_t kMingLight[] = { 0x7d30, 0x660e, 0x9ad4, 0 }; // Traditional Chinese +const wchar_t kGulimChe[] = { 0xad74, 0xb9bc, 0xccb4, 0 }; // Korean + +static void set_font(const wchar_t *name, int size) { + const HANDLE conout = GetStdHandle(STD_OUTPUT_HANDLE); + CONSOLE_FONT_INFOEX fontex {}; + fontex.cbSize = sizeof(fontex); + fontex.dwFontSize.Y = size; + fontex.FontWeight = 400; + fontex.FontFamily = 0x36; + wcsncpy(fontex.FaceName, name, COUNT_OF(fontex.FaceName)); + assert(SetCurrentConsoleFontEx(conout, FALSE, &fontex)); +} + +static void usage(const wchar_t *prog) { + printf("Usage: %ls [options]\n", prog); + printf(" -h HEIGHT\n"); + printf(" -face FACENAME\n"); + printf(" -face-{gothic|simsun|minglight|gulimche) [JP,CN-sim,CN-tra,KR]\n"); + printf(" hhhh -- print U+hhhh\n"); + exit(1); +} + +static void dump_region(SMALL_RECT region, const char *name) { + const HANDLE conout = GetStdHandle(STD_OUTPUT_HANDLE); + + CHAR_INFO buf[1000]; + memset(buf, 0xcc, sizeof(buf)); + + const int w = region.Right - region.Left + 1; + const int h = region.Bottom - region.Top + 1; + + assert(ReadConsoleOutputW( + conout, buf, { (short)w, (short)h }, { 0, 0 }, + ®ion)); + + printf("\n"); + printf("ReadConsoleOutputW (%s)\n", name); + for (int y = 0; y < h; ++y) { + printf("row %d: ", region.Top + y); + for (int i = 0; i < region.Left * 13; ++i) { + printf(" "); + } + for (int x = 0; x < w; ++x) { + const int i = y * w + x; + printf("U+%04x(%04x) ", buf[i].Char.UnicodeChar, buf[i].Attributes); + } + printf("\n"); + } +} + +int main() { + wchar_t *cmdline = GetCommandLineW(); + int argc = 0; + wchar_t **argv = CommandLineToArgvW(cmdline, &argc); + const wchar_t *font_name = L"Lucida Console"; + int font_height = 8; + int test_ch = 0xff12; // U+FF12 FULLWIDTH DIGIT TWO + + for (int i = 1; i < argc; ++i) { + const std::wstring arg = argv[i]; + const std::wstring next = i + 1 < argc ? argv[i + 1] : L""; + if (arg == L"-face" && i + 1 < argc) { + font_name = argv[i + 1]; + i++; + } else if (arg == L"-face-gothic") { + font_name = kMSGothic; + } else if (arg == L"-face-simsun") { + font_name = kNSimSun; + } else if (arg == L"-face-minglight") { + font_name = kMingLight; + } else if (arg == L"-face-gulimche") { + font_name = kGulimChe; + } else if (arg == L"-h" && i + 1 < argc) { + font_height = _wtoi(next.c_str()); + i++; + } else if (arg.c_str()[0] != '-') { + test_ch = wcstol(arg.c_str(), NULL, 16); + } else { + printf("Unrecognized argument: %ls\n", arg.c_str()); + usage(argv[0]); + } + } + + const HANDLE conout = GetStdHandle(STD_OUTPUT_HANDLE); + + set_font(font_name, font_height); + + system("cls"); + DWORD actual = 0; + wchar_t output[] = L"1234\n5678\n"; + output[1] = test_ch; + WriteConsoleW(conout, output, 10, &actual, nullptr); + + dump_region({ 0, 0, 3, 1 }, "both rows, 3 cols"); + dump_region({ 0, 0, 4, 1 }, "both rows, 4 cols"); + dump_region({ 0, 1, 4, 1 }, "second row"); + dump_region({ 0, 0, 4, 0 }, "first row"); + dump_region({ 1, 0, 4, 0 }, "first row, skip 1"); + dump_region({ 2, 0, 4, 0 }, "first row, skip 2"); + dump_region({ 3, 0, 4, 0 }, "first row, skip 3"); + + set_font(font_name, 14); + + return 0; +} |