| /* |
| * Copyright 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package androidx.compose.animation |
| |
| import androidx.compose.animation.core.AnimationVector |
| import androidx.compose.animation.core.FastOutLinearInEasing |
| import androidx.compose.animation.core.FastOutSlowInEasing |
| import androidx.compose.animation.core.FloatSpringSpec |
| import androidx.compose.animation.core.LinearEasing |
| import androidx.compose.animation.core.LinearOutSlowInEasing |
| import androidx.compose.animation.core.TweenSpec |
| import androidx.compose.foundation.Box |
| import androidx.compose.runtime.Composable |
| import androidx.compose.runtime.getValue |
| import androidx.compose.runtime.mutableStateOf |
| import androidx.compose.runtime.setValue |
| import androidx.compose.ui.geometry.Offset |
| import androidx.compose.ui.geometry.Rect |
| import androidx.compose.ui.geometry.Size |
| import androidx.compose.ui.graphics.Color |
| import androidx.compose.ui.graphics.lerp |
| import androidx.compose.ui.unit.Bounds |
| import androidx.compose.ui.unit.Position |
| import androidx.compose.ui.unit.PxBounds |
| import androidx.compose.ui.unit.dp |
| import androidx.compose.ui.util.lerp |
| import androidx.test.filters.MediumTest |
| import androidx.ui.test.createComposeRule |
| import androidx.ui.test.runOnIdle |
| import androidx.ui.test.waitForIdle |
| import org.junit.Assert.assertEquals |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| |
| @RunWith(JUnit4::class) |
| @MediumTest |
| class SingleValueAnimationTest { |
| |
| @get:Rule |
| val composeTestRule = createComposeRule() |
| |
| @Test |
| fun animate1DTest() { |
| val startVal = 20f |
| val endVal = 250f |
| |
| var floatValue = startVal |
| var dpValue = startVal.dp |
| var pxValue = startVal |
| |
| fun <T> tween(): TweenSpec<T> = |
| TweenSpec( |
| easing = FastOutSlowInEasing, |
| durationMillis = 100 |
| ) |
| |
| val children: @Composable() (Boolean) -> Unit = { enabled -> |
| floatValue = animate( |
| if (enabled) endVal else startVal, |
| tween() |
| ) |
| |
| dpValue = animate( |
| if (enabled) endVal.dp else startVal.dp, |
| tween() |
| ) |
| |
| pxValue = animate( |
| if (enabled) endVal else startVal, |
| tween() |
| ) |
| } |
| |
| val verify: () -> Unit = { |
| for (i in 0..100 step 50) { |
| val value = lerp( |
| startVal.toFloat(), endVal.toFloat(), |
| FastOutSlowInEasing.invoke(i / 100f) |
| ) |
| assertEquals(value, floatValue) |
| assertEquals(value.dp, dpValue) |
| assertEquals(value, pxValue) |
| composeTestRule.clockTestRule.advanceClock(50) |
| waitForIdle() |
| } |
| } |
| |
| animateTest(children, verify) |
| } |
| |
| @Test |
| fun animate2DTest() { |
| |
| val startVal = AnimationVector(120f, 56f) |
| val endVal = AnimationVector(0f, 77f) |
| |
| var vectorValue = startVal |
| var positionValue = Position.VectorConverter.convertFromVector(startVal) |
| var sizeValue = Size.VectorConverter.convertFromVector(startVal) |
| var pxPositionValue = Offset.VectorConverter.convertFromVector(startVal) |
| |
| fun <V> tween(): TweenSpec<V> = |
| TweenSpec( |
| easing = LinearEasing, |
| durationMillis = 100 |
| ) |
| |
| val children: @Composable() (Boolean) -> Unit = { enabled -> |
| vectorValue = animate( |
| if (enabled) endVal else startVal, |
| tween() |
| ) |
| |
| positionValue = animate( |
| if (enabled) |
| Position.VectorConverter.convertFromVector(endVal) |
| else |
| Position.VectorConverter.convertFromVector(startVal), |
| tween() |
| ) |
| |
| sizeValue = animate( |
| if (enabled) |
| Size.VectorConverter.convertFromVector(endVal) |
| else |
| Size.VectorConverter.convertFromVector(startVal), |
| tween() |
| ) |
| |
| pxPositionValue = animate( |
| if (enabled) |
| Offset.VectorConverter.convertFromVector(endVal) |
| else |
| Offset.VectorConverter.convertFromVector(startVal), |
| tween() |
| ) |
| } |
| |
| val verify: () -> Unit = { |
| for (i in 0..100 step 50) { |
| val expect = AnimationVector( |
| lerp(startVal.v1, endVal.v1, i / 100f), |
| lerp(startVal.v2, endVal.v2, i / 100f) |
| ) |
| |
| assertEquals(expect, vectorValue) |
| assertEquals(Size.VectorConverter.convertFromVector(expect), sizeValue) |
| assertEquals(Position.VectorConverter.convertFromVector(expect), positionValue) |
| assertEquals(Offset.VectorConverter.convertFromVector(expect), pxPositionValue) |
| composeTestRule.clockTestRule.advanceClock(50) |
| waitForIdle() |
| } |
| } |
| |
| animateTest(children, verify) |
| } |
| |
| @Test |
| fun animate4DRectTest() { |
| val startVal = AnimationVector(30f, -76f, 280f, 35f) |
| val endVal = AnimationVector(-42f, 89f, 77f, 100f) |
| |
| var vectorValue = startVal |
| var boundsValue = Bounds.VectorConverter.convertFromVector(startVal) |
| var pxBoundsValue = Rect.VectorConverter.convertFromVector(startVal) |
| |
| fun <V> tween(): TweenSpec<V> = |
| TweenSpec( |
| easing = LinearOutSlowInEasing, |
| durationMillis = 100 |
| ) |
| |
| val children: @Composable() (Boolean) -> Unit = { enabled -> |
| vectorValue = animate( |
| if (enabled) endVal else startVal, |
| tween() |
| ) |
| |
| boundsValue = animate( |
| if (enabled) |
| Bounds.VectorConverter.convertFromVector(endVal) |
| else |
| Bounds.VectorConverter.convertFromVector(startVal), |
| tween() |
| ) |
| |
| pxBoundsValue = animate( |
| if (enabled) |
| Rect.VectorConverter.convertFromVector(endVal) |
| else |
| Rect.VectorConverter.convertFromVector(startVal), |
| tween() |
| ) |
| } |
| |
| val verify: () -> Unit = { |
| for (i in 0..100 step 50) { |
| val fraction = LinearOutSlowInEasing.invoke(i / 100f) |
| val expect = AnimationVector( |
| lerp(startVal.v1, endVal.v1, fraction), |
| lerp(startVal.v2, endVal.v2, fraction), |
| lerp(startVal.v3, endVal.v3, fraction), |
| lerp(startVal.v4, endVal.v4, fraction) |
| ) |
| |
| assertEquals(expect, vectorValue) |
| assertEquals(Bounds.VectorConverter.convertFromVector(expect), boundsValue) |
| assertEquals(Rect.VectorConverter.convertFromVector(expect), pxBoundsValue) |
| composeTestRule.clockTestRule.advanceClock(50) |
| waitForIdle() |
| } |
| } |
| |
| animateTest(children, verify) |
| } |
| |
| @Suppress("DEPRECATION") |
| @Test |
| fun animate4DTest() { |
| val startVal = AnimationVector(30f, -76f, 280f, 35f) |
| val endVal = AnimationVector(-42f, 89f, 77f, 100f) |
| |
| var vectorValue = startVal |
| var boundsValue = Bounds.VectorConverter.convertFromVector(startVal) |
| var pxBoundsValue = PxBounds.VectorConverter.convertFromVector(startVal) |
| |
| fun <V> tween(): TweenSpec<V> = |
| TweenSpec( |
| easing = LinearOutSlowInEasing, |
| durationMillis = 100 |
| ) |
| |
| val children: @Composable() (Boolean) -> Unit = { enabled -> |
| vectorValue = animate( |
| if (enabled) endVal else startVal, |
| tween() |
| ) |
| |
| boundsValue = animate( |
| if (enabled) |
| Bounds.VectorConverter.convertFromVector(endVal) |
| else |
| Bounds.VectorConverter.convertFromVector(startVal), |
| tween() |
| ) |
| |
| pxBoundsValue = animate( |
| if (enabled) |
| PxBounds.VectorConverter.convertFromVector(endVal) |
| else |
| PxBounds.VectorConverter.convertFromVector(startVal), |
| tween() |
| ) |
| } |
| |
| val verify: () -> Unit = { |
| for (i in 0..100 step 50) { |
| val fraction = LinearOutSlowInEasing.invoke(i / 100f) |
| val expect = AnimationVector( |
| lerp(startVal.v1, endVal.v1, fraction), |
| lerp(startVal.v2, endVal.v2, fraction), |
| lerp(startVal.v3, endVal.v3, fraction), |
| lerp(startVal.v4, endVal.v4, fraction) |
| ) |
| |
| assertEquals(expect, vectorValue) |
| assertEquals(Bounds.VectorConverter.convertFromVector(expect), boundsValue) |
| assertEquals(PxBounds.VectorConverter.convertFromVector(expect), pxBoundsValue) |
| composeTestRule.clockTestRule.advanceClock(50) |
| waitForIdle() |
| } |
| } |
| |
| animateTest(children, verify) |
| } |
| |
| @Test |
| fun animateColorTest() { |
| var value = Color.Black |
| val children: @Composable() (Boolean) -> Unit = { enabled -> |
| value = animate( |
| if (enabled) Color.Cyan else Color.Black, TweenSpec( |
| durationMillis = 100, |
| easing = FastOutLinearInEasing |
| ) |
| ) |
| } |
| |
| val verify: () -> Unit = { |
| |
| for (i in 0..100 step 50) { |
| val fraction = FastOutLinearInEasing.invoke(i / 100f) |
| val expected = lerp(Color.Black, Color.Cyan, fraction) |
| assertEquals(expected, value) |
| composeTestRule.clockTestRule.advanceClock(50) |
| waitForIdle() |
| } |
| } |
| |
| animateTest(children, verify) |
| } |
| |
| @Test |
| fun visibilityThresholdTest() { |
| |
| var floatValue = 0f |
| var vectorValue = AnimationVector(0f) |
| var offsetValue = Offset(0f, 0f) |
| var boundsValue = Bounds(0.dp, 0.dp, 0.dp, 0.dp) |
| |
| val specForFloat = FloatSpringSpec(visibilityThreshold = 0.01f) |
| val specForVector = FloatSpringSpec(visibilityThreshold = PxVisibilityThreshold) |
| val specForOffset = FloatSpringSpec(visibilityThreshold = PxVisibilityThreshold) |
| val specForBounds = FloatSpringSpec(visibilityThreshold = DpVisibilityThreshold) |
| |
| val children: @Composable() (Boolean) -> Unit = { enabled -> |
| floatValue = animate(if (enabled) 100f else 0f) |
| |
| vectorValue = animate( |
| if (enabled) AnimationVector(100f) else AnimationVector(0f), |
| visibilityThreshold = AnimationVector(PxVisibilityThreshold) |
| ) |
| |
| offsetValue = animate( |
| if (enabled) |
| Offset(100f, 100f) |
| else |
| Offset(0f, 0f) |
| ) |
| |
| boundsValue = animate( |
| if (enabled) |
| Bounds(100.dp, 100.dp, 100.dp, 100.dp) |
| else |
| Bounds(0.dp, 0.dp, 0.dp, 0.dp) |
| ) |
| } |
| |
| val durationForFloat = specForFloat.getDurationMillis(0f, 100f, 0f) |
| val durationForVector = specForVector.getDurationMillis(0f, 100f, 0f) |
| val durationForOffset = specForOffset.getDurationMillis(0f, 100f, 0f) |
| val durationForBounds = specForBounds.getDurationMillis(0f, 100f, 0f) |
| val verify: () -> Unit = { |
| for (i in 0..durationForFloat step 50) { |
| val expectFloat = specForFloat.getValue(i, 0f, 100f, 0f) |
| assertEquals("play time: $i", expectFloat, floatValue) |
| |
| if (i < durationForVector) { |
| val expectVector = specForVector.getValue(i, 0f, 100f, 0f) |
| assertEquals(AnimationVector(expectVector), vectorValue) |
| } else { |
| assertEquals(AnimationVector(100f), vectorValue) |
| } |
| |
| if (i < durationForOffset) { |
| val expectOffset = specForOffset.getValue(i, 0f, 100f, 0f) |
| assertEquals(Offset(expectOffset, expectOffset), offsetValue) |
| } else { |
| assertEquals(Offset(100f, 100f), offsetValue) |
| } |
| |
| if (i < durationForBounds) { |
| val expectBounds = specForBounds.getValue(i, 0f, 100f, 0f) |
| assertEquals( |
| Bounds(expectBounds.dp, expectBounds.dp, expectBounds.dp, expectBounds.dp), |
| boundsValue |
| ) |
| } else { |
| assertEquals(Bounds(100.dp, 100.dp, 100.dp, 100.dp), boundsValue) |
| } |
| |
| composeTestRule.clockTestRule.advanceClock(50) |
| waitForIdle() |
| } |
| } |
| |
| animateTest(children, verify) |
| } |
| |
| private fun animateTest(children: @Composable() (Boolean) -> Unit, verify: () -> Unit) { |
| |
| composeTestRule.clockTestRule.pauseClock() |
| var enabled by mutableStateOf(false) |
| composeTestRule.setContent { |
| Box { |
| children(enabled) |
| } |
| } |
| runOnIdle { enabled = true } |
| waitForIdle() |
| |
| verify() |
| } |
| } |
