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Diffstat (limited to 'tests/gtests/blenkernel/BKE_fcurve_test.cc')
-rw-r--r--tests/gtests/blenkernel/BKE_fcurve_test.cc211
1 files changed, 0 insertions, 211 deletions
diff --git a/tests/gtests/blenkernel/BKE_fcurve_test.cc b/tests/gtests/blenkernel/BKE_fcurve_test.cc
deleted file mode 100644
index e994dd43af9..00000000000
--- a/tests/gtests/blenkernel/BKE_fcurve_test.cc
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * The Original Code is Copyright (C) 2020 by Blender Foundation.
- */
-#include "testing/testing.h"
-
-#include "MEM_guardedalloc.h"
-
-extern "C" {
-#include "BKE_fcurve.h"
-
-#include "ED_keyframing.h"
-
-#include "DNA_anim_types.h"
-}
-
-// Epsilon for floating point comparisons.
-static const float EPSILON = 1e-7f;
-
-TEST(evaluate_fcurve, EmptyFCurve)
-{
- FCurve *fcu = BKE_fcurve_create();
- EXPECT_EQ(evaluate_fcurve(fcu, 47.0f), 0.0f);
- BKE_fcurve_free(fcu);
-}
-
-TEST(evaluate_fcurve, OnKeys)
-{
- FCurve *fcu = BKE_fcurve_create();
-
- insert_vert_fcurve(fcu, 1.0f, 7.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF);
- insert_vert_fcurve(fcu, 2.0f, 13.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF);
- insert_vert_fcurve(fcu, 3.0f, 19.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF);
-
- EXPECT_NEAR(evaluate_fcurve(fcu, 1.0f), 7.0f, EPSILON); // hits 'on or before first' function
- EXPECT_NEAR(evaluate_fcurve(fcu, 2.0f), 13.0f, EPSILON); // hits 'between' function
- EXPECT_NEAR(evaluate_fcurve(fcu, 3.0f), 19.0f, EPSILON); // hits 'on or after last' function
-
- /* Also test within a specific time epsilon of the keys, as this was an issue in T39207.
- * This epsilon is just slightly smaller than the epsilon given to binarysearch_bezt_index_ex()
- * in fcurve_eval_between_keyframes(), so it should hit the "exact" code path. */
- float time_epsilon = 0.00008f;
- EXPECT_NEAR(evaluate_fcurve(fcu, 2.0f - time_epsilon), 13.0f, EPSILON);
- EXPECT_NEAR(evaluate_fcurve(fcu, 2.0f + time_epsilon), 13.0f, EPSILON);
-
- BKE_fcurve_free(fcu);
-}
-
-TEST(evaluate_fcurve, InterpolationConstant)
-{
- FCurve *fcu = BKE_fcurve_create();
-
- EXPECT_EQ(insert_vert_fcurve(fcu, 1.0f, 7.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 0);
- EXPECT_EQ(insert_vert_fcurve(fcu, 2.0f, 13.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 1);
-
- fcu->bezt[0].ipo = BEZT_IPO_CONST;
- fcu->bezt[1].ipo = BEZT_IPO_CONST;
-
- EXPECT_NEAR(evaluate_fcurve(fcu, 1.25f), 7.0f, EPSILON);
- EXPECT_NEAR(evaluate_fcurve(fcu, 1.50f), 7.0f, EPSILON);
-
- BKE_fcurve_free(fcu);
-}
-
-TEST(evaluate_fcurve, InterpolationLinear)
-{
- FCurve *fcu = BKE_fcurve_create();
-
- EXPECT_EQ(insert_vert_fcurve(fcu, 1.0f, 7.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 0);
- EXPECT_EQ(insert_vert_fcurve(fcu, 2.0f, 13.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 1);
-
- fcu->bezt[0].ipo = BEZT_IPO_LIN;
- fcu->bezt[1].ipo = BEZT_IPO_LIN;
-
- EXPECT_NEAR(evaluate_fcurve(fcu, 1.25f), 8.5f, EPSILON);
- EXPECT_NEAR(evaluate_fcurve(fcu, 1.50f), 10.0f, EPSILON);
- EXPECT_NEAR(evaluate_fcurve(fcu, 1.75f), 11.5f, EPSILON);
-
- BKE_fcurve_free(fcu);
-}
-
-TEST(evaluate_fcurve, InterpolationBezier)
-{
- FCurve *fcu = BKE_fcurve_create();
-
- EXPECT_EQ(insert_vert_fcurve(fcu, 1.0f, 7.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 0);
- EXPECT_EQ(insert_vert_fcurve(fcu, 2.0f, 13.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 1);
-
- EXPECT_EQ(fcu->bezt[0].ipo, BEZT_IPO_BEZ);
- EXPECT_EQ(fcu->bezt[1].ipo, BEZT_IPO_BEZ);
-
- // Test with default handles.
- EXPECT_NEAR(evaluate_fcurve(fcu, 1.25f), 7.8297067f, EPSILON);
- EXPECT_NEAR(evaluate_fcurve(fcu, 1.50f), 10.0f, EPSILON);
- EXPECT_NEAR(evaluate_fcurve(fcu, 1.75f), 12.170294f, EPSILON);
-
- // Test with modified handles.
- fcu->bezt[0].vec[0][0] = 0.71855f; // left handle X
- fcu->bezt[0].vec[0][1] = 6.22482f; // left handle Y
- fcu->bezt[0].vec[2][0] = 1.35148f; // right handle X
- fcu->bezt[0].vec[2][1] = 7.96806f; // right handle Y
-
- fcu->bezt[1].vec[0][0] = 1.66667f; // left handle X
- fcu->bezt[1].vec[0][1] = 10.4136f; // left handle Y
- fcu->bezt[1].vec[2][0] = 2.33333f; // right handle X
- fcu->bezt[1].vec[2][1] = 15.5864f; // right handle Y
-
- EXPECT_NEAR(evaluate_fcurve(fcu, 1.25f), 7.945497f, EPSILON);
- EXPECT_NEAR(evaluate_fcurve(fcu, 1.50f), 9.3495407f, EPSILON);
- EXPECT_NEAR(evaluate_fcurve(fcu, 1.75f), 11.088551f, EPSILON);
-
- BKE_fcurve_free(fcu);
-}
-
-TEST(evaluate_fcurve, InterpolationBounce)
-{
- FCurve *fcu = BKE_fcurve_create();
-
- EXPECT_EQ(insert_vert_fcurve(fcu, 1.0f, 7.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 0);
- EXPECT_EQ(insert_vert_fcurve(fcu, 2.0f, 13.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 1);
-
- fcu->bezt[0].ipo = BEZT_IPO_BOUNCE;
- fcu->bezt[1].ipo = BEZT_IPO_BOUNCE;
-
- fcu->bezt[0].easing = BEZT_IPO_EASE_IN;
- fcu->bezt[1].easing = BEZT_IPO_EASE_AUTO;
-
- EXPECT_NEAR(evaluate_fcurve(fcu, 1.4f), 8.3649998f, EPSILON);
- EXPECT_NEAR(evaluate_fcurve(fcu, 1.5f), 8.4062500f, EPSILON);
- EXPECT_NEAR(evaluate_fcurve(fcu, 1.8f), 11.184999f, EPSILON);
-
- BKE_fcurve_free(fcu);
-}
-
-TEST(evaluate_fcurve, ExtrapolationLinearKeys)
-{
- FCurve *fcu = BKE_fcurve_create();
-
- EXPECT_EQ(insert_vert_fcurve(fcu, 1.0f, 7.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 0);
- EXPECT_EQ(insert_vert_fcurve(fcu, 2.0f, 13.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 1);
- fcu->bezt[0].ipo = BEZT_IPO_LIN;
- fcu->bezt[1].ipo = BEZT_IPO_LIN;
-
- fcu->extend = FCURVE_EXTRAPOLATE_LINEAR;
- // Before first keyframe.
- EXPECT_NEAR(evaluate_fcurve(fcu, 0.75f), 5.5f, EPSILON);
- EXPECT_NEAR(evaluate_fcurve(fcu, 0.50f), 4.0f, EPSILON);
- EXPECT_NEAR(evaluate_fcurve(fcu, -1.50f), -8.0f, EPSILON);
- // After last keyframe.
- EXPECT_NEAR(evaluate_fcurve(fcu, 2.75f), 17.5f, EPSILON);
- EXPECT_NEAR(evaluate_fcurve(fcu, 3.50f), 22.0f, EPSILON);
-
- fcu->extend = FCURVE_EXTRAPOLATE_CONSTANT;
- // Before first keyframe.
- EXPECT_NEAR(evaluate_fcurve(fcu, 0.75f), 7.0f, EPSILON);
- EXPECT_NEAR(evaluate_fcurve(fcu, -1.50f), 7.0f, EPSILON);
- // After last keyframe.
- EXPECT_NEAR(evaluate_fcurve(fcu, 2.75f), 13.0f, EPSILON);
- EXPECT_NEAR(evaluate_fcurve(fcu, 3.50f), 13.0f, EPSILON);
-
- BKE_fcurve_free(fcu);
-}
-
-TEST(evaluate_fcurve, ExtrapolationBezierKeys)
-{
- FCurve *fcu = BKE_fcurve_create();
-
- EXPECT_EQ(insert_vert_fcurve(fcu, 1.0f, 7.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 0);
- EXPECT_EQ(insert_vert_fcurve(fcu, 2.0f, 13.0f, BEZT_KEYTYPE_KEYFRAME, INSERTKEY_NO_USERPREF), 1);
-
- fcu->bezt[0].vec[0][0] = 0.71855f; // left handle X
- fcu->bezt[0].vec[0][1] = 6.22482f; // left handle Y
- fcu->bezt[0].vec[2][0] = 1.35148f; // right handle X
- fcu->bezt[0].vec[2][1] = 7.96806f; // right handle Y
-
- fcu->bezt[1].vec[0][0] = 1.66667f; // left handle X
- fcu->bezt[1].vec[0][1] = 10.4136f; // left handle Y
- fcu->bezt[1].vec[2][0] = 2.33333f; // right handle X
- fcu->bezt[1].vec[2][1] = 15.5864f; // right handle Y
-
- fcu->extend = FCURVE_EXTRAPOLATE_LINEAR;
- // Before first keyframe.
- EXPECT_NEAR(evaluate_fcurve(fcu, 0.75f), 6.3114409f, EPSILON);
- EXPECT_NEAR(evaluate_fcurve(fcu, -0.50f), 2.8686447f, EPSILON);
- // After last keyframe.
- EXPECT_NEAR(evaluate_fcurve(fcu, 2.75f), 18.81946f, EPSILON);
- EXPECT_NEAR(evaluate_fcurve(fcu, 3.50f), 24.63892f, EPSILON);
-
- fcu->extend = FCURVE_EXTRAPOLATE_CONSTANT;
- // Before first keyframe.
- EXPECT_NEAR(evaluate_fcurve(fcu, 0.75f), 7.0f, EPSILON);
- EXPECT_NEAR(evaluate_fcurve(fcu, -1.50f), 7.0f, EPSILON);
- // After last keyframe.
- EXPECT_NEAR(evaluate_fcurve(fcu, 2.75f), 13.0f, EPSILON);
- EXPECT_NEAR(evaluate_fcurve(fcu, 3.50f), 13.0f, EPSILON);
-
- BKE_fcurve_free(fcu);
-}
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