From de85a4eb2bf458de9fd0ae760140e28267057372 Mon Sep 17 00:00:00 2001
From: Recep Aslantas <info@recp.me>
Date: Fri, 21 Feb 2020 14:28:41 +0300
Subject: [PATCH] quat: add tests for quat_rotate_at[m]

---
 test/src/test_quat.h | 70 ++++++++++++++++++++++++++++++++++++++++++++
 test/tests.h         |  8 +++++
 2 files changed, 78 insertions(+)

diff --git a/test/src/test_quat.h b/test/src/test_quat.h
index 8037b7d..15c81e3 100644
--- a/test/src/test_quat.h
+++ b/test/src/test_quat.h
@@ -925,9 +925,79 @@ TEST_IMPL(GLM_PREFIX, quat_rotate) {
 }
 
 TEST_IMPL(GLM_PREFIX, quat_rotate_at) {
+  mat4   m1 = GLM_MAT4_IDENTITY_INIT, m2;
+  versor q1;
+  vec4   v1 = {1.0f, 0.0f, 0.0f, 1.0f};
+
+  glm_quatv(q1, GLM_PI_2f, GLM_YUP);
+  GLM(quat_rotate_at)(m1, q1, (vec3){0.5f, 0.0f, 0.0f});
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.5f))
+  ASSERT(test_eq(v1[1],  0.0f))
+  ASSERT(test_eq(v1[2], -0.5f))
+
+  glm_mat4_identity(m1);
+  glm_mat4_identity(m2);
+
+  glm_quatv(q1, GLM_PI_2f, GLM_ZUP);
+  GLM(quat_rotate_at)(m1, q1, (vec3){0.0f, 0.0f, 0.0f});
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.0f))
+  ASSERT(test_eq(v1[1],  0.5f))
+  ASSERT(test_eq(v1[2], -0.5f))
+
+  glm_mat4_identity(m1);
+  glm_mat4_identity(m2);
+
+  v1[0] = 1.0f;
+  v1[1] = 1.0f;
+  v1[2] = 1.0f;
+
+  glm_quatv(q1, GLM_PI_2f, GLM_XUP);
+  GLM(quat_rotate_at)(m1, q1, GLM_VEC3_ZERO);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  1.0f))
+  ASSERT(test_eq(v1[1], -1.0f))
+  ASSERT(test_eq(v1[2],  1.0f))
+
   TEST_SUCCESS
 }
 
 TEST_IMPL(GLM_PREFIX, quat_rotate_atm) {
+  mat4   m1 = GLM_MAT4_IDENTITY_INIT, m2;
+  versor q1;
+  vec4   v1 = {1.0f, 0.0f, 0.0f, 1.0f};
+
+  glm_quatv(q1, GLM_PI_2f, GLM_YUP);
+  GLM(quat_rotate_atm)(m1, q1, (vec3){0.5f, 0.0f, 0.0f});
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.5f))
+  ASSERT(test_eq(v1[1],  0.0f))
+  ASSERT(test_eq(v1[2], -0.5f))
+
+  glm_quatv(q1, GLM_PI_2f, GLM_ZUP);
+  GLM(quat_rotate_atm)(m1, q1, (vec3){0.0f, 0.0f, 0.0f});
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.0f))
+  ASSERT(test_eq(v1[1],  0.5f))
+  ASSERT(test_eq(v1[2], -0.5f))
+
+  v1[0] = 1.0f;
+  v1[1] = 1.0f;
+  v1[2] = 1.0f;
+
+  glm_quatv(q1, GLM_PI_2f, GLM_XUP);
+  GLM(quat_rotate_atm)(m1, q1, GLM_VEC3_ZERO);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  1.0f))
+  ASSERT(test_eq(v1[1], -1.0f))
+  ASSERT(test_eq(v1[2],  1.0f))
+
   TEST_SUCCESS
 }
diff --git a/test/tests.h b/test/tests.h
index f7d957b..eb3362b 100644
--- a/test/tests.h
+++ b/test/tests.h
@@ -167,6 +167,8 @@ TEST_DECLARE(glm_quat_for)
 TEST_DECLARE(glm_quat_forp)
 TEST_DECLARE(glm_quat_rotatev)
 TEST_DECLARE(glm_quat_rotate)
+TEST_DECLARE(glm_quat_rotate_at)
+TEST_DECLARE(glm_quat_rotate_atm)
 
 TEST_DECLARE(glmc_quat_identity)
 TEST_DECLARE(glmc_quat_identity_array)
@@ -201,6 +203,8 @@ TEST_DECLARE(glmc_quat_for)
 TEST_DECLARE(glmc_quat_forp)
 TEST_DECLARE(glmc_quat_rotatev)
 TEST_DECLARE(glmc_quat_rotate)
+TEST_DECLARE(glmc_quat_rotate_at)
+TEST_DECLARE(glmc_quat_rotate_atm)
 
 /* bezier */
 TEST_DECLARE(bezier)
@@ -683,6 +687,8 @@ TEST_LIST {
   TEST_ENTRY(glm_quat_forp)
   TEST_ENTRY(glm_quat_rotatev)
   TEST_ENTRY(glm_quat_rotate)
+  TEST_ENTRY(glm_quat_rotate_at)
+  TEST_ENTRY(glm_quat_rotate_atm)
 
   TEST_ENTRY(glmc_quat_identity)
   TEST_ENTRY(glmc_quat_identity_array)
@@ -717,6 +723,8 @@ TEST_LIST {
   TEST_ENTRY(glmc_quat_forp)
   TEST_ENTRY(glmc_quat_rotatev)
   TEST_ENTRY(glmc_quat_rotate)
+  TEST_ENTRY(glmc_quat_rotate_at)
+  TEST_ENTRY(glmc_quat_rotate_atm)
 
   /* bezier */
   TEST_ENTRY(bezier)