From 73658c838678fea2839dc845553a991e25cf807c Mon Sep 17 00:00:00 2001 From: nick black Date: Sun, 31 Jan 2021 20:56:51 -0500 Subject: [PATCH] quadblitter: unit test for stacked blits #1068 --- tests/stacking.cpp | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/tests/stacking.cpp b/tests/stacking.cpp index 4a4969f2f0..25fafd39cd 100644 --- a/tests/stacking.cpp +++ b/tests/stacking.cpp @@ -64,6 +64,43 @@ TEST_CASE("Stacking") { ncplane_destroy(top); } + SUBCASE("StackedQuad") { + struct ncplane_options opts = { + 0, 0, 1, 1, nullptr, "top", nullptr, 0, + }; + auto top = ncplane_create(n_, &opts); + REQUIRE(nullptr != top); + // create an ncvisual of 2 rows, 2 columns, with the top 0xffffff + const uint32_t topv[] = {htole(0xffffffff), htole(0xffffffff), htole(0), htole(0)}; + auto ncv = ncvisual_from_rgba(topv, 2, 8, 2); + REQUIRE(nullptr != ncv); + struct ncvisual_options vopts = { + .n = top, .scaling = NCSCALE_NONE, .y = 0, .x = 0, .begy = 0, .begx = 0, + .leny = 2, .lenx = 2, .blitter = NCBLIT_2x2, .flags = 0, + }; + CHECK(top == ncvisual_render(nc_, ncv, &vopts)); + ncvisual_destroy(ncv); + + // create an ncvisual of 2 rows, 2 columns, with the bottom 0xffffff + const uint32_t botv[] = {htole(0), htole(0), htole(0xffffffff), htole(0xffffffff)}; + ncv = ncvisual_from_rgba(botv, 2, 8, 2); + REQUIRE(nullptr != ncv); + vopts.n = n_; + CHECK(n_ == ncvisual_render(nc_, ncv, &vopts)); + ncvisual_destroy(ncv); + + CHECK(0 == notcurses_render(nc_)); + uint64_t channels; + auto egc = notcurses_at_yx(nc_, 0, 0, nullptr, &channels); + REQUIRE(nullptr != egc); + // ought yield space with white background FIXME currently just yields + // an upper half block + CHECK(0 == strcmp("\u2580", egc)); + CHECK(0xffffff == channels_fg_rgb(channels)); + CHECK(0xffffff == channels_bg_rgb(channels)); + ncplane_destroy(top); + } + // common teardown CHECK(0 == notcurses_stop(nc_)); }