/*
 * Copyright 2021 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * ---------------------------------------------------------------------
 *
 * Portions of this file were modified and ported to Vala by Victor Vintorez in 2026.
 * These modifications are licensed under the European Union Public License (EUPL),
 * Version 1.2 or later. You may obtain a copy of the License at:
 * https://joinup.ec.europa.eu/collection/eupl/eupl-text-eupl-12
 */

using GLib;
using MaterialColorUtilities;

public class DynamicSchemeTest : McuTestCase {
	private sealed Hct hct = Hct.from (43, 16, 16);

	public DynamicSchemeTest () {
		base ("dynamic_scheme");
		add_test ("0_length_input", test_0_length_input);
		add_test ("1_length_input_no_rotation", test_1_length_input_no_rotation);
		add_test ("on_boundary_rotation_correct", test_on_boundary_rotation_correct);
		add_test ("rotation_result_larger_than_360_degrees_wraps", test_rotation_result_larger_than_360_degrees_wraps);
	}

	public override void set_up () {}

	public void test_0_length_input () {
		var answer = DynamicScheme.get_rotated_hue (hct, new double[] {}, new double[] {});

		McuAssert.doubles_equal (answer, 43.0, 1);
	}

	public void test_1_length_input_no_rotation () {
		var answer = DynamicScheme.get_rotated_hue (hct, new double[] { 0.0 }, new double[] { 0.0 });

		McuAssert.doubles_equal (answer, 43.0, 1);
	}

	public void test_on_boundary_rotation_correct () {
		var answer = DynamicScheme.get_rotated_hue (hct, new double[] { 0.0, 42.0, 360.0 }, new double[] { 0.0, 15.0, 0.0 });

		McuAssert.doubles_equal (answer, 43 + 15, 1);
	}

	public void test_rotation_result_larger_than_360_degrees_wraps () {
		var answer = DynamicScheme.get_rotated_hue (hct, new double[] { 0.0, 42.0, 360.0 }, new double[] { 0.0, 480.0, 0.0 });

		McuAssert.doubles_equal (answer, 163, 1);
	}

	public override void tear_down () {}
}
