mirror of
https://github.com/dankamongmen/notcurses.git
synced 2024-11-02 09:40:15 +00:00
379 lines
13 KiB
C++
379 lines
13 KiB
C++
#include "main.h"
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#include "egcpool.h"
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TEST_CASE("Cell") {
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auto nc_ = testing_notcurses();
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if(!nc_){
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return;
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}
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if(!notcurses_canutf8(nc_)){
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CHECK(0 == notcurses_stop(nc_));
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return;
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}
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struct ncplane* n_ = notcurses_stdplane(nc_);
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REQUIRE(nullptr != n_);
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SUBCASE("EGCs") {
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int cols, bytes;
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bytes = utf8_egc_len("é", &cols);
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CHECK(2 == bytes);
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CHECK(1 == cols);
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bytes = utf8_egc_len("\x41\u0301", &cols);
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CHECK(3 == bytes);
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CHECK(1 == cols);
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bytes = utf8_egc_len(" ி", &cols);
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CHECK(4 == bytes);
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CHECK(2 == cols);
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bytes = utf8_egc_len(" ि", &cols);
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CHECK(4 == bytes);
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CHECK(2 == cols);
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bytes = utf8_egc_len("◌̈", &cols);
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CHECK(5 == bytes);
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CHECK(1 == cols);
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bytes = utf8_egc_len("นี้", &cols);
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CHECK(9 == bytes);
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CHECK(1 == cols);
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}
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SUBCASE("Loadchar") {
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nccell c = CELL_TRIVIAL_INITIALIZER;
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CHECK(1 == cell_load(n_, &c, " "));
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CHECK(cell_simple_p(&c));
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cell_release(n_, &c);
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}
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SUBCASE("MultibyteWidth") {
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CHECK(0 == ncstrwidth("")); // zero bytes, zero columns
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CHECK(-1 == ncstrwidth("\x7")); // single byte, non-printable
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CHECK(1 == ncstrwidth(" ")); // single byte, one column
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CHECK(5 == ncstrwidth("abcde")); // single byte, one column
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CHECK(1 == ncstrwidth("µ")); // two bytes, one column
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CHECK(1 <= ncstrwidth("\xf0\x9f\xa6\xb2")); // four bytes, two columns
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CHECK(3 <= ncstrwidth("平仮名")); // nine bytes, six columns
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CHECK(1 == ncstrwidth("\ufdfd")); // three bytes, ? columns, wcwidth() returns 1
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}
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// test combining characters and ZWJs
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SUBCASE("MultiglyphWidth") {
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#ifdef __linux__
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CHECK(2 == ncstrwidth("\U0001F471"));
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CHECK(2 == ncstrwidth("\U0001F471\u200D"));
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CHECK(3 == ncstrwidth("\U0001F471\u200D\u2640")); // *not* a single EGC!
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#else
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// FreeBSD doesn't think these wide
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CHECK(1 == ncstrwidth("\U0001F471"));
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CHECK(1 == ncstrwidth("\U0001F471\u200D"));
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CHECK(2 == ncstrwidth("\U0001F471\u200D\u2640")); // *not* a single EGC!
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#endif
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}
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SUBCASE("SetItalic") {
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nccell c = CELL_TRIVIAL_INITIALIZER;
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int dimy, dimx;
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notcurses_term_dim_yx(nc_, &dimy, &dimx);
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cell_set_styles(&c, NCSTYLE_ITALIC);
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CHECK(1 == cell_load(n_, &c, "i"));
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cell_set_fg_rgb8(&c, 255, 255, 255);
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ncplane_set_base_cell(n_, &c);
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cell_release(n_, &c);
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CHECK(0 == notcurses_render(nc_));
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cell_off_styles(&c, NCSTYLE_ITALIC);
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}
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SUBCASE("SetBold") {
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nccell c = CELL_TRIVIAL_INITIALIZER;
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int dimy, dimx;
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notcurses_term_dim_yx(nc_, &dimy, &dimx);
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cell_set_styles(&c, NCSTYLE_BOLD);
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CHECK(1 == cell_load(n_, &c, "b"));
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cell_set_fg_rgb8(&c, 255, 255, 255);
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ncplane_set_base_cell(n_, &c);
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cell_release(n_, &c);
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CHECK(0 == notcurses_render(nc_));
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cell_off_styles(&c, NCSTYLE_BOLD);
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}
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SUBCASE("SetUnderline") {
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nccell c = CELL_TRIVIAL_INITIALIZER;
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int dimy, dimx;
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notcurses_term_dim_yx(nc_, &dimy, &dimx);
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cell_set_styles(&c, NCSTYLE_UNDERLINE);
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CHECK(1 == cell_load(n_, &c, "u"));
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cell_set_fg_rgb8(&c, 255, 255, 255);
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ncplane_set_base_cell(n_, &c);
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cell_release(n_, &c);
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CHECK(0 == notcurses_render(nc_));
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cell_off_styles(&c, NCSTYLE_UNDERLINE);
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}
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/*SUBCASE("CellLoadTamil") {
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const char zerodeg[] = "\u0bb8\u0bc0\u0bb0\u0bc7\u0bb3\u0b95\u0bbf\u0b95\u0bbf\u0bb0\u0bbf";
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nccell c = CELL_TRIVIAL_INITIALIZER;
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size_t ulen = cell_load(n_, &c, zerodeg);
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// First have U+0BB8 TAMIL LETTER SA U+0BC0 TAMIL VOWEL SIGN II
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// // e0 ae b8 e0 af 80
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CHECK(6 == ulen);
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ulen = cell_load(n_, &c, zerodeg + ulen);
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// U+0BB0 TAMIL LETTER RA U+0BCB TAMIL VOWEL SIGN OO
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// e0 ae b0 e0 af 8b
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CHECK(6 == ulen);
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// FIXME
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}*/
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SUBCASE("CellSetFGAlpha"){
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nccell c = CELL_TRIVIAL_INITIALIZER;
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CHECK(0 > cell_set_fg_alpha(&c, -1));
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CHECK(0 > cell_set_fg_alpha(&c, 4));
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CHECK(0 == cell_set_fg_alpha(&c, CELL_ALPHA_OPAQUE));
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CHECK(cell_fg_default_p(&c));
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CHECK(cell_bg_default_p(&c));
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CHECK(CELL_ALPHA_OPAQUE == cell_fg_alpha(&c));
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CHECK(0 == cell_set_fg_alpha(&c, CELL_ALPHA_HIGHCONTRAST));
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CHECK(CELL_ALPHA_HIGHCONTRAST == cell_fg_alpha(&c));
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CHECK(!cell_fg_default_p(&c));
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CHECK(cell_bg_default_p(&c));
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}
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SUBCASE("CellSetBGAlpha"){
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nccell c = CELL_TRIVIAL_INITIALIZER;
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CHECK(0 > cell_set_bg_alpha(&c, -1));
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CHECK(0 > cell_set_bg_alpha(&c, 4));
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CHECK(0 == cell_set_bg_alpha(&c, CELL_ALPHA_OPAQUE));
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CHECK(CELL_ALPHA_OPAQUE == cell_bg_alpha(&c));
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CHECK(0 != cell_set_bg_alpha(&c, CELL_ALPHA_HIGHCONTRAST));
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CHECK(0 == cell_set_bg_alpha(&c, CELL_ALPHA_TRANSPARENT));
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CHECK(CELL_ALPHA_TRANSPARENT == cell_bg_alpha(&c));
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CHECK(cell_fg_default_p(&c));
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CHECK(!cell_bg_default_p(&c));
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}
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// white on a black background ought be unmolested for highcontrast
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SUBCASE("HighContrastWhiteOnBlackBackground"){
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nccell c = CELL_CHAR_INITIALIZER('+');
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CHECK(0 == cell_set_fg_rgb8(&c, 0xff, 0xff, 0xff));
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CHECK(0 == cell_set_fg_alpha(&c, CELL_ALPHA_HIGHCONTRAST));
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CHECK(0 == cell_set_bg_alpha(&c, CELL_ALPHA_TRANSPARENT));
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struct ncplane_options nopts = {
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.y = 0,
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.x = 0,
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.rows = 1,
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.cols = 1,
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.userptr = nullptr,
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.name = nullptr,
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.resizecb = nullptr,
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.flags = 0,
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};
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auto np = ncplane_create(n_, &nopts);
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REQUIRE(nullptr != np);
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CHECK(1 == ncplane_putc(np, &c));
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cell_load_char(np, &c, '*');
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CHECK(0 == cell_set_bg_rgb8(&c, 0x0, 0x0, 0x0));
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CHECK(0 == cell_set_bg_alpha(&c, CELL_ALPHA_OPAQUE));
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CHECK(1 == ncplane_putc(n_, &c));
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CHECK(0 == notcurses_render(nc_));
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uint64_t channels, underchannels, overchannels;
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auto egc = notcurses_at_yx(nc_, 0, 0, nullptr, &channels);
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REQUIRE(nullptr != egc);
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auto negc = ncplane_at_yx(n_, 0, 0, nullptr, &underchannels);
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REQUIRE(nullptr != negc);
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auto topegc = ncplane_at_yx(np, 0, 0, nullptr, &overchannels);
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REQUIRE(nullptr != topegc);
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CHECK(channels_bg_rgb(channels) == channels_bg_rgb(underchannels));
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CHECK(channels_fg_rgb(channels) == channels_fg_rgb(overchannels));
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ncplane_destroy(np);
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free(topegc);
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free(negc);
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free(egc);
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}
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// white on a white background ought be changed for highcontrast
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SUBCASE("HighContrastWhiteOnWhiteBackground"){
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nccell c = CELL_CHAR_INITIALIZER('+');
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CHECK(0 == cell_set_fg_rgb8(&c, 0xff, 0xff, 0xff));
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CHECK(0 == cell_set_fg_alpha(&c, CELL_ALPHA_HIGHCONTRAST));
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CHECK(0 == cell_set_bg_alpha(&c, CELL_ALPHA_TRANSPARENT));
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struct ncplane_options nopts = {
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.y = 0,
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.x = 0,
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.rows = 1,
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.cols = 1,
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.userptr = nullptr,
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.name = nullptr,
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.resizecb = nullptr,
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.flags = 0,
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};
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auto np = ncplane_create(n_, &nopts);
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REQUIRE(nullptr != np);
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CHECK(1 == ncplane_putc(np, &c));
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cell_load_char(np, &c, '*');
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CHECK(0 == cell_set_bg_rgb8(&c, 0xff, 0xff, 0xff));
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CHECK(0 == cell_set_bg_alpha(&c, CELL_ALPHA_OPAQUE));
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CHECK(1 == ncplane_putc(n_, &c));
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CHECK(0 == notcurses_render(nc_));
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uint64_t channels, underchannels, overchannels;
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auto egc = notcurses_at_yx(nc_, 0, 0, nullptr, &channels);
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REQUIRE(nullptr != egc);
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auto negc = ncplane_at_yx(n_, 0, 0, nullptr, &underchannels);
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REQUIRE(nullptr != negc);
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auto topegc = ncplane_at_yx(np, 0, 0, nullptr, &overchannels);
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REQUIRE(nullptr != topegc);
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CHECK(channels_bg_rgb(channels) == channels_bg_rgb(underchannels));
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CHECK(channels_fg_rgb(channels) < channels_fg_rgb(overchannels));
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ncplane_destroy(np);
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free(topegc);
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free(negc);
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free(egc);
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}
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// black on a black background must be changed for highcontrast
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SUBCASE("HighContrastBlackOnBlackBackground"){
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nccell c = CELL_CHAR_INITIALIZER('+');
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CHECK(0 == cell_set_fg_rgb8(&c, 0x0, 0x0, 0x0));
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CHECK(0 == cell_set_fg_alpha(&c, CELL_ALPHA_HIGHCONTRAST));
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CHECK(0 == cell_set_bg_alpha(&c, CELL_ALPHA_TRANSPARENT));
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struct ncplane_options nopts = {
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.y = 0,
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.x = 0,
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.rows = 1,
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.cols = 1,
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.userptr = nullptr,
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.name = nullptr,
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.resizecb = nullptr,
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.flags = 0,
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};
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auto np = ncplane_create(n_, &nopts);
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REQUIRE(nullptr != np);
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CHECK(1 == ncplane_putc(np, &c));
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cell_load_char(np, &c, '*');
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CHECK(0 == cell_set_bg_rgb8(&c, 0x0, 0x0, 0x0));
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CHECK(0 == cell_set_bg_alpha(&c, CELL_ALPHA_OPAQUE));
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CHECK(1 == ncplane_putc(n_, &c));
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CHECK(0 == notcurses_render(nc_));
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uint64_t channels, underchannels, overchannels;
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auto egc = notcurses_at_yx(nc_, 0, 0, nullptr, &channels);
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REQUIRE(nullptr != egc);
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auto negc = ncplane_at_yx(n_, 0, 0, nullptr, &underchannels);
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REQUIRE(nullptr != negc);
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auto topegc = ncplane_at_yx(np, 0, 0, nullptr, &overchannels);
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REQUIRE(nullptr != topegc);
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CHECK(channels_bg_rgb(channels) == channels_bg_rgb(underchannels));
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CHECK(channels_fg_rgb(channels) > channels_fg_rgb(overchannels));
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ncplane_destroy(np);
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free(topegc);
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free(negc);
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free(egc);
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}
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// black on a white background ought be unmolested for highcontrast
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SUBCASE("HighContrastBlackOnWhiteBackground"){
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nccell c = CELL_CHAR_INITIALIZER('+');
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CHECK(0 == cell_set_fg_rgb8(&c, 0x0, 0x0, 0x0));
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CHECK(0 == cell_set_fg_alpha(&c, CELL_ALPHA_HIGHCONTRAST));
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CHECK(0 == cell_set_bg_alpha(&c, CELL_ALPHA_TRANSPARENT));
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struct ncplane_options nopts = {
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.y = 0,
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.x = 0,
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.rows = 1,
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.cols = 1,
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.userptr = nullptr,
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.name = nullptr,
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.resizecb = nullptr,
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.flags = 0,
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};
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auto np = ncplane_create(n_, &nopts);
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REQUIRE(nullptr != np);
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CHECK(1 == ncplane_putc(np, &c));
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cell_load_char(np, &c, '*');
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CHECK(0 == cell_set_bg_rgb8(&c, 0xff, 0xff, 0xff));
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CHECK(0 == cell_set_bg_alpha(&c, CELL_ALPHA_OPAQUE));
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CHECK(1 == ncplane_putc(n_, &c));
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CHECK(0 == notcurses_render(nc_));
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uint64_t channels, underchannels, overchannels;
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auto egc = notcurses_at_yx(nc_, 0, 0, nullptr, &channels);
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REQUIRE(nullptr != egc);
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auto negc = ncplane_at_yx(n_, 0, 0, nullptr, &underchannels);
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REQUIRE(nullptr != negc);
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auto topegc = ncplane_at_yx(np, 0, 0, nullptr, &overchannels);
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REQUIRE(nullptr != topegc);
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CHECK(channels_bg_rgb(channels) == channels_bg_rgb(underchannels));
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CHECK(channels_fg_rgb(channels) == channels_fg_rgb(overchannels));
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ncplane_destroy(np);
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free(topegc);
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free(negc);
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free(egc);
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}
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// high contrast ought only be activated relevant to the background equal to
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// or below them, not above.
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SUBCASE("HighContrastBelowOnly"){
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nccell c = CELL_TRIVIAL_INITIALIZER;
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// top has a background of white
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CHECK(0 == cell_set_bg_rgb8(&c, 0xff, 0xff, 0xff));
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CHECK(0 == cell_set_fg_alpha(&c, CELL_ALPHA_TRANSPARENT));
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struct ncplane_options nopts = {
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.y = 0,
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.x = 0,
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.rows = 1,
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.cols = 1,
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.userptr = nullptr,
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.name = nullptr,
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.resizecb = nullptr,
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.flags = 0,
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};
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auto np = ncplane_create(n_, &nopts);
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REQUIRE(nullptr != np);
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CHECK(1 == ncplane_putc(np, &c));
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cell_load_char(n_, &c, '*');
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// bottom has white foreground + HIGHCONTRAST, should remain white
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CHECK(0 == cell_set_fg_rgb8(&c, 0xff, 0x0, 0xff));
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CHECK(0 == cell_set_fg_alpha(&c, CELL_ALPHA_HIGHCONTRAST));
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cell_set_bg_default(&c);
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CHECK(1 == ncplane_putc(n_, &c));
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CHECK(0 == notcurses_render(nc_));
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uint64_t channels, underchannels, overchannels;
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auto egc = notcurses_at_yx(nc_, 0, 0, nullptr, &channels);
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REQUIRE(nullptr != egc);
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auto negc = ncplane_at_yx(n_, 0, 0, nullptr, &underchannels);
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REQUIRE(nullptr != negc);
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auto topegc = ncplane_at_yx(np, 0, 0, nullptr, &overchannels);
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REQUIRE(nullptr != topegc);
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CHECK(channels_bg_rgb(channels) == channels_bg_rgb(overchannels));
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CHECK(channels_fg_rgb(channels) < channels_fg_rgb(underchannels));
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free(topegc);
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free(negc);
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free(egc);
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}
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SUBCASE("CellLoadCharPrinting") {
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nccell c = CELL_TRIVIAL_INITIALIZER;
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CHECK(1 == cell_load_char(n_, &c, '*'));
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CHECK(0 == strcmp(cell_extended_gcluster(n_, &c), "*"));
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}
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SUBCASE("CellLoadCharWhitespace") {
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nccell c = CELL_TRIVIAL_INITIALIZER;
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CHECK(1 == cell_load_char(n_, &c, '\f'));
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CHECK(1 == cell_load_char(n_, &c, '\n'));
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CHECK(1 == cell_load_char(n_, &c, '\t'));
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CHECK(1 == cell_load_char(n_, &c, ' '));
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}
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SUBCASE("CellLoadCharControl") {
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nccell c = CELL_TRIVIAL_INITIALIZER;
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CHECK(0 == cell_load_char(n_, &c, '\0'));
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CHECK(-1 == cell_load_char(n_, &c, 1));
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CHECK(-1 == cell_load_char(n_, &c, '\b'));
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}
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SUBCASE("CellLoadEGC32") {
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nccell c = CELL_TRIVIAL_INITIALIZER;
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CHECK(0 == cell_load_egc32(n_, &c, 0));
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CHECK(1 == cell_load_egc32(n_, &c, 0x65)); // U+0061 LATIN SMALL LETTER A
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CHECK(2 == cell_load_egc32(n_, &c, 0xb5c2)); // U+00B5 MICRO SIGN
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CHECK(4 == cell_load_egc32(n_, &c, 0x82a69ff0)); // U+1F982 SCORPION
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}
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// common teardown
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CHECK(0 == notcurses_stop(nc_));
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}
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