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-rw-r--r--tests/scene/test_curve.h254
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diff --git a/tests/scene/test_curve.h b/tests/scene/test_curve.h
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+++ b/tests/scene/test_curve.h
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+/*************************************************************************/
+/* test_curve.h */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+
+#ifndef TEST_CURVE_H
+#define TEST_CURVE_H
+
+#include "scene/resources/curve.h"
+
+#include "tests/test_macros.h"
+
+namespace TestCurve {
+
+TEST_CASE("[Curve] Default curve") {
+ const Ref<Curve> curve = memnew(Curve);
+
+ CHECK_MESSAGE(
+ curve->get_point_count() == 0,
+ "Default curve should contain the expected number of points.");
+ CHECK_MESSAGE(
+ Math::is_zero_approx(curve->interpolate(0)),
+ "Default curve should return the expected value at offset 0.0.");
+ CHECK_MESSAGE(
+ Math::is_zero_approx(curve->interpolate(0.5)),
+ "Default curve should return the expected value at offset 0.5.");
+ CHECK_MESSAGE(
+ Math::is_zero_approx(curve->interpolate(1)),
+ "Default curve should return the expected value at offset 1.0.");
+}
+
+TEST_CASE("[Curve] Custom curve with free tangents") {
+ Ref<Curve> curve = memnew(Curve);
+ // "Sawtooth" curve with an open ending towards the 1.0 offset.
+ curve->add_point(Vector2(0, 0));
+ curve->add_point(Vector2(0.25, 1));
+ curve->add_point(Vector2(0.5, 0));
+ curve->add_point(Vector2(0.75, 1));
+
+ CHECK_MESSAGE(
+ Math::is_zero_approx(curve->get_point_left_tangent(0)),
+ "get_point_left_tangent() should return the expected value for point index 0.");
+ CHECK_MESSAGE(
+ Math::is_zero_approx(curve->get_point_right_tangent(0)),
+ "get_point_right_tangent() should return the expected value for point index 0.");
+ CHECK_MESSAGE(
+ curve->get_point_left_mode(0) == Curve::TangentMode::TANGENT_FREE,
+ "get_point_left_mode() should return the expected value for point index 0.");
+ CHECK_MESSAGE(
+ curve->get_point_right_mode(0) == Curve::TangentMode::TANGENT_FREE,
+ "get_point_right_mode() should return the expected value for point index 0.");
+
+ CHECK_MESSAGE(
+ curve->get_point_count() == 4,
+ "Custom free curve should contain the expected number of points.");
+
+ CHECK_MESSAGE(
+ Math::is_zero_approx(curve->interpolate(-0.1)),
+ "Custom free curve should return the expected value at offset 0.1.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate(0.1), (real_t)0.352),
+ "Custom free curve should return the expected value at offset 0.1.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate(0.4), (real_t)0.352),
+ "Custom free curve should return the expected value at offset 0.1.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate(0.7), (real_t)0.896),
+ "Custom free curve should return the expected value at offset 0.1.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate(1), 1),
+ "Custom free curve should return the expected value at offset 0.1.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate(2), 1),
+ "Custom free curve should return the expected value at offset 0.1.");
+
+ CHECK_MESSAGE(
+ Math::is_zero_approx(curve->interpolate_baked(-0.1)),
+ "Custom free curve should return the expected baked value at offset 0.1.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate_baked(0.1), (real_t)0.352),
+ "Custom free curve should return the expected baked value at offset 0.1.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate_baked(0.4), (real_t)0.352),
+ "Custom free curve should return the expected baked value at offset 0.1.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate_baked(0.7), (real_t)0.896),
+ "Custom free curve should return the expected baked value at offset 0.1.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate_baked(1), 1),
+ "Custom free curve should return the expected baked value at offset 0.1.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate_baked(2), 1),
+ "Custom free curve should return the expected baked value at offset 0.1.");
+
+ curve->remove_point(1);
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate(0.1), 0),
+ "Custom free curve should return the expected value at offset 0.1 after removing point at index 1.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate_baked(0.1), 0),
+ "Custom free curve should return the expected baked value at offset 0.1 after removing point at index 1.");
+
+ curve->clear_points();
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate(0.6), 0),
+ "Custom free curve should return the expected value at offset 0.6 after clearing all points.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate_baked(0.6), 0),
+ "Custom free curve should return the expected baked value at offset 0.6 after clearing all points.");
+}
+
+TEST_CASE("[Curve] Custom curve with linear tangents") {
+ Ref<Curve> curve = memnew(Curve);
+ // "Sawtooth" curve with an open ending towards the 1.0 offset.
+ curve->add_point(Vector2(0, 0), 0, 0, Curve::TangentMode::TANGENT_LINEAR, Curve::TangentMode::TANGENT_LINEAR);
+ curve->add_point(Vector2(0.25, 1), 0, 0, Curve::TangentMode::TANGENT_LINEAR, Curve::TangentMode::TANGENT_LINEAR);
+ curve->add_point(Vector2(0.5, 0), 0, 0, Curve::TangentMode::TANGENT_LINEAR, Curve::TangentMode::TANGENT_LINEAR);
+ curve->add_point(Vector2(0.75, 1), 0, 0, Curve::TangentMode::TANGENT_LINEAR, Curve::TangentMode::TANGENT_LINEAR);
+
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->get_point_left_tangent(3), 4),
+ "get_point_left_tangent() should return the expected value for point index 3.");
+ CHECK_MESSAGE(
+ Math::is_zero_approx(curve->get_point_right_tangent(3)),
+ "get_point_right_tangent() should return the expected value for point index 3.");
+ CHECK_MESSAGE(
+ curve->get_point_left_mode(3) == Curve::TangentMode::TANGENT_LINEAR,
+ "get_point_left_mode() should return the expected value for point index 3.");
+ CHECK_MESSAGE(
+ curve->get_point_right_mode(3) == Curve::TangentMode::TANGENT_LINEAR,
+ "get_point_right_mode() should return the expected value for point index 3.");
+
+ ERR_PRINT_OFF;
+ CHECK_MESSAGE(
+ Math::is_zero_approx(curve->get_point_right_tangent(300)),
+ "get_point_right_tangent() should return the expected value for invalid point index 300.");
+ CHECK_MESSAGE(
+ curve->get_point_left_mode(-12345) == Curve::TangentMode::TANGENT_FREE,
+ "get_point_left_mode() should return the expected value for invalid point index -12345.");
+ ERR_PRINT_ON;
+
+ CHECK_MESSAGE(
+ curve->get_point_count() == 4,
+ "Custom linear curve should contain the expected number of points.");
+
+ CHECK_MESSAGE(
+ Math::is_zero_approx(curve->interpolate(-0.1)),
+ "Custom linear curve should return the expected value at offset -0.1.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate(0.1), (real_t)0.4),
+ "Custom linear curve should return the expected value at offset 0.1.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate(0.4), (real_t)0.4),
+ "Custom linear curve should return the expected value at offset 0.4.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate(0.7), (real_t)0.8),
+ "Custom linear curve should return the expected value at offset 0.7.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate(1), 1),
+ "Custom linear curve should return the expected value at offset 1.0.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate(2), 1),
+ "Custom linear curve should return the expected value at offset 2.0.");
+
+ CHECK_MESSAGE(
+ Math::is_zero_approx(curve->interpolate_baked(-0.1)),
+ "Custom linear curve should return the expected baked value at offset -0.1.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate_baked(0.1), (real_t)0.4),
+ "Custom linear curve should return the expected baked value at offset 0.1.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate_baked(0.4), (real_t)0.4),
+ "Custom linear curve should return the expected baked value at offset 0.4.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate_baked(0.7), (real_t)0.8),
+ "Custom linear curve should return the expected baked value at offset 0.7.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate_baked(1), 1),
+ "Custom linear curve should return the expected baked value at offset 1.0.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate_baked(2), 1),
+ "Custom linear curve should return the expected baked value at offset 2.0.");
+
+ ERR_PRINT_OFF;
+ curve->remove_point(10);
+ ERR_PRINT_ON;
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate(0.7), (real_t)0.8),
+ "Custom free curve should return the expected value at offset 0.7 after removing point at invalid index 10.");
+ CHECK_MESSAGE(
+ Math::is_equal_approx(curve->interpolate_baked(0.7), (real_t)0.8),
+ "Custom free curve should return the expected baked value at offset 0.7 after removing point at invalid index 10.");
+}
+
+TEST_CASE("[Curve2D] Linear sampling should return exact value") {
+ Ref<Curve2D> curve = memnew(Curve2D);
+ real_t len = 2048.0;
+
+ curve->add_point(Vector2(0, 0));
+ curve->add_point(Vector2(len, 0));
+
+ real_t baked_length = curve->get_baked_length();
+ CHECK(len == baked_length);
+
+ for (int i = 0; i < len; i++) {
+ Vector2 pos = curve->interpolate_baked(i);
+ CHECK_MESSAGE(pos.x == i, "interpolate_baked should return exact value");
+ }
+}
+
+TEST_CASE("[Curve3D] Linear sampling should return exact value") {
+ Ref<Curve3D> curve = memnew(Curve3D);
+ real_t len = 2048.0;
+
+ curve->add_point(Vector3(0, 0, 0));
+ curve->add_point(Vector3(len, 0, 0));
+
+ real_t baked_length = curve->get_baked_length();
+ CHECK(len == baked_length);
+
+ for (int i = 0; i < len; i++) {
+ Vector3 pos = curve->interpolate_baked(i);
+ CHECK_MESSAGE(pos.x == i, "interpolate_baked should return exact value");
+ }
+}
+
+} // namespace TestCurve
+
+#endif // TEST_CURVE_H
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 17:53:53 +0000