Add test letter A

1 files changed, 44 insertions, 1 deletions

diff --git a/graphics.c b/graphics.c
index 2b4aa2c..02cbb86 100755
--- a/graphics.c
+++ b/graphics.c
@@ -2252,6 +2252,49 @@ TEST("colors") {
   REQUIRE_EQ((purple.z + 2e-7) * 100, 100);
 }
 
+TEST("text letter A") {
+  i64 w = 10;
+  i64 h = 10;
+
+  vec4_f32 pixels[100] = {0};
+
+  draw_text_area_to_buffer(
+    (Pixel_Buffer) {
+      .width  = 10,
+      .height = 10,
+      .stride = 10,
+      .pixels = pixels,
+    },
+    0,
+    (vec4_f32) { 1.0f, 1.0f, 1.0f, 1.0f, },
+    (Box)      { .x = 0, .y = 0, .width = 10, .height = 10, },
+    (vec2)     { .x = 10.0, .y = 10.0, },
+    1,
+    (c32[1])   { 'A', }
+  );
+
+  b8 expect_bits[100] = {
+    0, 1, 1, 1, 0, 0, 0, 0, 0, 0,
+    1, 0, 0, 0, 1, 1, 0, 0, 0, 0,
+    1, 0, 0, 0, 1, 1, 0, 0, 0, 0,
+    1, 0, 0, 0, 1, 1, 0, 0, 0, 0,
+    1, 1, 1, 1, 1, 1, 0, 0, 0, 0,
+    1, 1, 1, 1, 1, 1, 0, 0, 0, 0,
+    1, 0, 0, 0, 1, 1, 0, 0, 0, 0,
+    1, 0, 0, 0, 1, 1, 0, 0, 0, 0,
+    1, 0, 0, 0, 1, 1, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  };
+
+  for (i64 i = 0; i < w * h; ++i) {
+    b8 bit = pixels[i].x > 0.5;
+    if (expect_bits[i] != bit) {
+      REQUIRE(0);
+      break;
+    }
+  }
+}
+
 static Pixel_Buffer _test_pixels = {
   .width  = 1280,
   .height = 720,
@@ -2260,7 +2303,7 @@ static Pixel_Buffer _test_pixels = {
 };
 
 #ifndef EVERY_TEST_SUITE
-void update_and_render_frame(void) {}
+void update_and_render_frame(void) { }
 
 i32 main(i32 argc, c8 **argv) {
   return run_tests(argc, argv);