box gradient unit tests #42

tests/ncplane.cpp

@@ -571,3 +571,71 @@ TEST_F(NcplaneTest, PlaneAtCursorAttrs){
   ASSERT_EQ(1, ncplane_at_cursor(n_, &testcell));
   EXPECT_EQ(testcell.gcluster, STR3[strlen(STR3) - 1]);
 }
+
+TEST_F(NcplaneTest, BoxSideColors) {
+  int dimx, dimy;
+  ncplane_dim_yx(n_, &dimy, &dimx);
+  ASSERT_LT(12, dimy);
+  ASSERT_LT(24, dimx);
+  cell ul{}, ll{}, lr{}, ur{}, hl{}, vl{};
+  ASSERT_EQ(0, cells_rounded_box(n_, 0, 0, &ul, &ur, &ll, &lr, &hl, &vl));
+  // we'll try all 16 boxmasks in 4x4 configurations in a 4x4 map
+  EXPECT_EQ(0, notcurses_fg_prep(&ul.channels, 255, 0, 0));
+  EXPECT_EQ(0, notcurses_fg_prep(&ur.channels, 0, 255, 0));
+  EXPECT_EQ(0, notcurses_fg_prep(&ll.channels, 0, 0, 255));
+  EXPECT_EQ(0, notcurses_fg_prep(&lr.channels, 0, 0, 0));
+  EXPECT_EQ(0, notcurses_fg_prep(&hl.channels, 255, 0, 255));
+  EXPECT_EQ(0, notcurses_fg_prep(&vl.channels, 255, 255, 255));
+  unsigned boxmask = 0;
+  for(auto y0 = 0 ; y0 < 4 ; ++y0){
+    for(auto x0 = 0 ; x0 < 4 ; ++x0){
+      EXPECT_EQ(0, ncplane_cursor_move_yx(n_, y0 * 4, x0 * 4));
+      EXPECT_EQ(0, ncplane_box_sized(n_, &ul, &ur, &ll, &lr, &hl, &vl,
+                                     4, 4, boxmask));
+      ++boxmask;
+    }
+  }
+  boxmask = 0;
+  for(auto y0 = 0 ; y0 < 4 ; ++y0){
+    for(auto x0 = 0 ; x0 < 4 ; ++x0){
+      EXPECT_EQ(0, ncplane_cursor_move_yx(n_, y0 * 4, x0 * 4 + 12));
+      EXPECT_EQ(0, ncplane_box_sized(n_, &ul, &ur, &ll, &lr, &hl, &vl,
+                                     4, 4, boxmask));
+      ++boxmask;
+    }
+  }
+  EXPECT_EQ(0, notcurses_render(nc_));
+}
+
+TEST_F(NcplaneTest, BoxGradients) {
+  int dimx, dimy;
+  ncplane_dim_yx(n_, &dimy, &dimx);
+  ASSERT_LT(16, dimy);
+  ASSERT_LT(32, dimx);
+  cell ul{}, ll{}, lr{}, ur{}, hl{}, vl{};
+  ASSERT_EQ(0, cells_double_box(n_, 0, 0, &ul, &ur, &ll, &lr, &hl, &vl));
+  EXPECT_EQ(0, notcurses_fg_prep(&ul.channels, 255, 0, 0));
+  EXPECT_EQ(0, notcurses_fg_prep(&ur.channels, 0, 255, 0));
+  EXPECT_EQ(0, notcurses_fg_prep(&ll.channels, 0, 0, 255));
+  EXPECT_EQ(0, notcurses_fg_prep(&lr.channels, 255, 255, 255));
+  // we'll try all 16 boxmasks in 4x4 configurations in a 4x4 map
+  unsigned gradmask = 0;
+  for(auto y0 = 0 ; y0 < 4 ; ++y0){
+    for(auto x0 = 0 ; x0 < 4 ; ++x0){
+      EXPECT_EQ(0, ncplane_cursor_move_yx(n_, y0 * 4, x0 * 4));
+      EXPECT_EQ(0, ncplane_box_sized(n_, &ul, &ur, &ll, &lr, &hl, &vl,
+                                     4, 4, gradmask));
+      ++gradmask;
+    }
+  }
+  gradmask = 0;
+  for(auto y0 = 0 ; y0 < 4 ; ++y0){
+    for(auto x0 = 0 ; x0 < 4 ; ++x0){
+      EXPECT_EQ(0, ncplane_cursor_move_yx(n_, y0 * 4, x0 * 4 + 16));
+      EXPECT_EQ(0, ncplane_box_sized(n_, &ul, &ur, &ll, &lr, &hl, &vl,
+                                     4, 4, gradmask));
+      ++gradmask;
+    }
+  }
+  EXPECT_EQ(0, notcurses_render(nc_));
+}