SpringAnimationTest.mm File Reference

#include <cmath>
import "flutter/third_party/spring_animation/spring_animation.h"
#include "gtest/gtest.h"

Go to the source code of this file.

Functions
	TEST (SpringAnimationTest, CanInitializeCorrectly)
	TEST (SpringAnimationTest, CurveFunctionCanWorkCorrectly)
	TEST (SpringAnimationTest, CanUpdatePositionValuesAndCalculateCorrectly)

Function Documentation

TEST() [1/3]

TEST	(	SpringAnimationTest	,
		CanInitializeCorrectly
	)

Definition at line 9 of file SpringAnimationTest.mm.

                                                  {
  SpringAnimation* animation = [[SpringAnimation alloc] initWithStiffness:1000
                                                                  damping:500
                                                                     mass:3
                                                          initialVelocity:0
                                                                fromValue:0
                                                                  toValue:1000];
  ASSERT_TRUE(animation.stiffness == 1000);
  ASSERT_TRUE(animation.damping == 500);
  ASSERT_TRUE(animation.mass == 3);
  ASSERT_TRUE(animation.initialVelocity == 0);
  ASSERT_TRUE(animation.fromValue == 0);
  ASSERT_TRUE(animation.toValue == 1000);
}

References SpringAnimation::damping, SpringAnimation::fromValue, SpringAnimation::initialVelocity, SpringAnimation::mass, SpringAnimation::stiffness, and SpringAnimation::toValue.

TEST() [2/3]

TEST	(	SpringAnimationTest	,
		CanUpdatePositionValuesAndCalculateCorrectly
	)

Definition at line 42 of file SpringAnimationTest.mm.

                                                                        {
  SpringAnimation* animation = [[SpringAnimation alloc] initWithStiffness:1000
                                                                  damping:500
                                                                     mass:3
                                                          initialVelocity:0
                                                                fromValue:0
                                                                  toValue:1000];
  const double startTime = 0;
  const double endTime = 0.6;
 
  const double startValue1 = [animation curveFunction:startTime];
  const double toValue1 = [animation curveFunction:endTime];
 
  animation.fromValue = 10;
  animation.toValue = 800;
 
  ASSERT_TRUE(animation.fromValue == 10);
  ASSERT_TRUE(animation.toValue == 800);
 
  const double startValue2 = [animation curveFunction:startTime];
  const double toValue2 = [animation curveFunction:endTime];
  ASSERT_TRUE(startValue2 > startValue1);
  ASSERT_TRUE(toValue2 < toValue1);
}

References SpringAnimation::fromValue, and SpringAnimation::toValue.

TEST() [3/3]

TEST	(	SpringAnimationTest	,
		CurveFunctionCanWorkCorrectly
	)

Definition at line 24 of file SpringAnimationTest.mm.

                                                         {
  // Here is the keyboard curve config on iOS platform.
  SpringAnimation* animation = [[SpringAnimation alloc] initWithStiffness:1000
                                                                  damping:500
                                                                     mass:3
                                                          initialVelocity:0
                                                                fromValue:0
                                                                  toValue:1000];
  const double accuracy = 1.0;
  const double startTime = 0;
  const double endTime = 0.6;
 
  const double startValue = [animation curveFunction:startTime];
  ASSERT_TRUE(fabs(startValue - animation.fromValue) < accuracy);
  const double toValue = [animation curveFunction:endTime];
  ASSERT_TRUE(fabs(toValue - animation.toValue) < accuracy);
}

References SpringAnimation::fromValue, and SpringAnimation::toValue.