Add inventory.

test/display/CMakeLists.txt

@@ -0,0 +1,9 @@
+# Copyright (c) 2026 Dominic Masters
+#
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+include(dusktest)
+
+# Tests
+dusktest(test_color.c)

test/display/test_color.c

@@ -0,0 +1,98 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "dusktest.h"
+#include "display/color.h"
+
+static void test_color3f_create(void **state) {
+  (void)state;
+  
+  color3f_t color = color3f(0.1f, 0.2f, 0.3f);
+  assert_float_equal(color.r, 0.1f, 0.0001f);
+  assert_float_equal(color.g, 0.2f, 0.0001f);
+  assert_float_equal(color.b, 0.3f, 0.0001f);
+}
+
+static void test_color4f_create(void **state) {
+  (void)state;
+  
+  color4f_t color = color4f(0.1f, 0.2f, 0.3f, 0.4f);
+  assert_float_equal(color.r, 0.1f, 0.0001f);
+  assert_float_equal(color.g, 0.2f, 0.0001f);
+  assert_float_equal(color.b, 0.3f, 0.0001f);
+  assert_float_equal(color.a, 0.4f, 0.0001f);
+}
+
+static void test_color3b_create(void **state) {
+  (void)state;
+  
+  color3b_t color = color3b(10, 20, 30);
+  assert_int_equal(color.r, 10);
+  assert_int_equal(color.g, 20);
+  assert_int_equal(color.b, 30);
+}
+
+static void test_color4b_create(void **state) {
+  (void)state;
+  
+  color4b_t color = color4b(10, 20, 30, 40);
+  assert_int_equal(color.r, 10);
+  assert_int_equal(color.g, 20);
+  assert_int_equal(color.b, 30);
+  assert_int_equal(color.a, 40);
+}
+
+static void test_color_create(void **state) {
+  (void)state;
+  
+  color_t color = color(10, 20, 30, 40);
+  assert_int_equal(color.r, 10);
+  assert_int_equal(color.g, 20);
+  assert_int_equal(color.b, 30);
+  assert_int_equal(color.a, 40);
+}
+
+static void test_colorHex_create(void **state) {
+  (void)state;
+  
+  color_t color = colorHex(0x11223344);
+  assert_int_equal(color.r, 0x11);
+  assert_int_equal(color.g, 0x22);
+  assert_int_equal(color.b, 0x33);
+  assert_int_equal(color.a, 0x44);
+
+  color = colorHex(0xFF00FF00);
+  assert_int_equal(color.r, 0xFF);
+  assert_int_equal(color.g, 0x00);
+  assert_int_equal(color.b, 0xFF);
+  assert_int_equal(color.a, 0x00);
+
+  color_t comp = color(255, 0, 255, 0);
+  assert_int_equal(color.r, comp.r);
+  assert_int_equal(color.g, comp.g);
+  assert_int_equal(color.b, comp.b);
+  assert_int_equal(color.a, comp.a);
+
+  color = colorHex(0xFFFFFFFF);
+  assert_int_equal(color.r, COLOR_WHITE.r);
+  assert_int_equal(color.g, COLOR_WHITE.g);
+  assert_int_equal(color.b, COLOR_WHITE.b);
+  assert_int_equal(color.a, COLOR_WHITE.a);
+}
+
+int main(int argc, char **argv) {
+  const struct CMUnitTest tests[] = {
+    cmocka_unit_test(test_color3f_create),
+    cmocka_unit_test(test_color4f_create),
+    cmocka_unit_test(test_color3b_create),
+    cmocka_unit_test(test_color4b_create),
+    cmocka_unit_test(test_color_create),
+    cmocka_unit_test(test_colorHex_create),
+  };
+
+  return cmocka_run_group_tests(tests, NULL, NULL);
+}