From 33786513c3d954e247884d25be2fbe62c5f0bc4b Mon Sep 17 00:00:00 2001
From: Juha Alanen <juha.alanen@mapbox.com>
Date: Wed, 19 Feb 2020 12:44:41 +0200
Subject: [test] Add test for min and max pitch options

---
 test/map/map.test.cpp       | 21 +++++++++++++
 test/map/transform.test.cpp | 72 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 93 insertions(+)

diff --git a/test/map/map.test.cpp b/test/map/map.test.cpp
index 0ec97fd3bc..c161065e1a 100644
--- a/test/map/map.test.cpp
+++ b/test/map/map.test.cpp
@@ -241,6 +241,27 @@ TEST(Map, LatLngsToCameraWithBearingAndPitch) {
     ASSERT_DOUBLE_EQ(*virtualCamera.pitch, 20.0);
 }
 
+TEST(Map, LatLngsToCameraWithBearingAndPitchMinMax) {
+    MapTest<> test;
+
+    std::vector<LatLng> latLngs{{40.712730, 74.005953}, {15.68169, 73.499857}, {30.82678, 83.4082}};
+
+    test.map.setBounds(BoundOptions().withMinPitch(0).withMaxPitch(0));
+    CameraOptions virtualCamera = test.map.cameraForLatLngs(latLngs, {}, 23, 45);
+    EXPECT_NEAR(virtualCamera.bearing.value_or(0), 23.0, 1e-5);
+    EXPECT_NEAR(virtualCamera.zoom.value_or(0), 2.75434, 1e-5);
+    EXPECT_NEAR(virtualCamera.center->latitude(), 28.49288, 1e-5);
+    EXPECT_NEAR(virtualCamera.center->longitude(), 74.97437, 1e-5);
+    ASSERT_DOUBLE_EQ(*virtualCamera.pitch, 0);
+
+    test.map.setBounds(BoundOptions().withMinPitch(20).withMaxPitch(60));
+    virtualCamera = test.map.cameraForLatLngs(latLngs, {}, 23, 0);
+    EXPECT_NEAR(virtualCamera.bearing.value_or(0), 23.0, 1e-5);
+    EXPECT_NEAR(virtualCamera.zoom.value_or(0), 3.04378, 1e-5);
+    EXPECT_NEAR(virtualCamera.center->latitude(), 28.53718, 1e-5);
+    EXPECT_NEAR(virtualCamera.center->longitude(), 74.31746, 1e-5);
+    ASSERT_DOUBLE_EQ(*virtualCamera.pitch, 20.0);
+}
 
 TEST(Map, CameraToLatLngBounds) {
     MapTest<> test;
diff --git a/test/map/transform.test.cpp b/test/map/transform.test.cpp
index 02ecbfbee4..506e61aca7 100644
--- a/test/map/transform.test.cpp
+++ b/test/map/transform.test.cpp
@@ -788,3 +788,75 @@ TEST(Transform, LatLngBounds) {
     transform.moveBy(ScreenCoordinate { 500, 0 });
     ASSERT_DOUBLE_EQ(transform.getLatLng().longitude(), 120.0);
 }
+
+TEST(Transform, InvalidPitch) {
+    Transform transform;
+    transform.resize({1, 1});
+
+    ASSERT_DOUBLE_EQ(0, transform.getLatLng().latitude());
+    ASSERT_DOUBLE_EQ(0, transform.getLatLng().longitude());
+    ASSERT_DOUBLE_EQ(0, transform.getZoom());
+    ASSERT_DOUBLE_EQ(0, transform.getPitch());
+
+    transform.jumpTo(CameraOptions().withZoom(1.0).withPitch(45));
+    ASSERT_DOUBLE_EQ(1, transform.getZoom());
+    ASSERT_DOUBLE_EQ(45 * util::DEG2RAD, transform.getPitch());
+
+    const double invalid = NAN;
+
+    transform.jumpTo(CameraOptions().withPitch(invalid));
+    ASSERT_DOUBLE_EQ(45 * util::DEG2RAD, transform.getPitch());
+
+    transform.jumpTo(CameraOptions().withPitch(60));
+    ASSERT_DOUBLE_EQ(60 * util::DEG2RAD, transform.getPitch());
+}
+
+TEST(Transform, MinMaxPitch) {
+    Transform transform;
+    transform.resize({1, 1});
+
+    ASSERT_DOUBLE_EQ(0, transform.getLatLng().latitude());
+    ASSERT_DOUBLE_EQ(0, transform.getLatLng().longitude());
+    ASSERT_DOUBLE_EQ(0, transform.getZoom());
+    ASSERT_DOUBLE_EQ(0, transform.getPitch());
+
+    transform.jumpTo(CameraOptions().withZoom(1.0).withPitch(60));
+    ASSERT_DOUBLE_EQ(1, transform.getZoom());
+    ASSERT_DOUBLE_EQ(transform.getState().getMaxPitch(), transform.getPitch());
+    ASSERT_DOUBLE_EQ(60 * util::DEG2RAD, transform.getPitch());
+
+    transform.setMaxPitch(70);
+    transform.jumpTo(CameraOptions().withPitch(70));
+    ASSERT_DOUBLE_EQ(transform.getState().getMaxPitch(), transform.getPitch());
+    ASSERT_DOUBLE_EQ(60 * util::DEG2RAD, transform.getPitch());
+
+    transform.setMaxPitch(45);
+    transform.jumpTo(CameraOptions().withPitch(60));
+    ASSERT_DOUBLE_EQ(transform.getState().getMaxPitch(), transform.getPitch());
+    ASSERT_DOUBLE_EQ(45 * util::DEG2RAD, transform.getPitch());
+
+    transform.jumpTo(CameraOptions().withPitch(0));
+    ASSERT_DOUBLE_EQ(transform.getState().getMinPitch(), transform.getPitch());
+    ASSERT_DOUBLE_EQ(0, transform.getPitch());
+
+    transform.setMinPitch(-10);
+    transform.jumpTo(CameraOptions().withPitch(-10));
+    ASSERT_DOUBLE_EQ(transform.getState().getMinPitch(), transform.getPitch());
+    ASSERT_DOUBLE_EQ(0, transform.getPitch());
+
+    transform.setMinPitch(15);
+    transform.jumpTo(CameraOptions().withPitch(0));
+    ASSERT_DOUBLE_EQ(transform.getState().getMinPitch(), transform.getPitch());
+    ASSERT_DOUBLE_EQ(15 * util::DEG2RAD, transform.getPitch());
+
+    transform.setMinPitch(45);
+    ASSERT_DOUBLE_EQ(45 * util::DEG2RAD, transform.getState().getMinPitch());
+    transform.setMaxPitch(45);
+    ASSERT_DOUBLE_EQ(45 * util::DEG2RAD, transform.getState().getMaxPitch());
+
+    transform.setMaxPitch(10);
+    ASSERT_DOUBLE_EQ(45 * util::DEG2RAD, transform.getState().getMaxPitch());
+
+    transform.setMinPitch(60);
+    ASSERT_DOUBLE_EQ(45 * util::DEG2RAD, transform.getState().getMinPitch());
+}
-- 
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