androidAndroidTest.androidx.constraintlayout.core.PerformanceTest.kt Maven / Gradle / Ivy

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Extensions for the Kotlin standard library and third-party libraries.

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/*
 * Copyright (C) 2021 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.constraintlayout.core

import androidx.constraintlayout.core.widgets.ConstraintAnchor
import androidx.constraintlayout.core.widgets.ConstraintWidget
import androidx.constraintlayout.core.widgets.ConstraintWidget.DimensionBehaviour
import androidx.constraintlayout.core.widgets.ConstraintWidgetContainer
import kotlin.test.Test

/**
 * Basic performance test
 */
class PerformanceTest {
    @Test
    fun testBasic() {
        val root = ConstraintWidgetContainer(0, 0, 1000, 600)
        val A = ConstraintWidget(100, 40)
        val B = ConstraintWidget(100, 100)
        val C = ConstraintWidget(100, 20)
        root.debugName = "root"
        A.debugName = "A"
        B.debugName = "B"
        C.debugName = "C"
        root.add(A)
        root.add(B)
        root.add(C)
        A.connect(ConstraintAnchor.Type.LEFT, root, ConstraintAnchor.Type.LEFT)
        A.connect(ConstraintAnchor.Type.RIGHT, B, ConstraintAnchor.Type.LEFT)
        A.connect(ConstraintAnchor.Type.TOP, root, ConstraintAnchor.Type.TOP)
        A.connect(ConstraintAnchor.Type.BOTTOM, C, ConstraintAnchor.Type.TOP)
        B.connect(ConstraintAnchor.Type.RIGHT, root, ConstraintAnchor.Type.RIGHT)
        B.connect(ConstraintAnchor.Type.TOP, root, ConstraintAnchor.Type.TOP)
        C.connect(ConstraintAnchor.Type.LEFT, root, ConstraintAnchor.Type.LEFT)
        C.connect(ConstraintAnchor.Type.RIGHT, B, ConstraintAnchor.Type.LEFT)
        C.connect(ConstraintAnchor.Type.BOTTOM, root, ConstraintAnchor.Type.BOTTOM)
        A.horizontalDimensionBehaviour = DimensionBehaviour.MATCH_CONSTRAINT
        C.horizontalDimensionBehaviour = DimensionBehaviour.MATCH_CONSTRAINT
        root.layout()
        println("root: $root A: $A B: $B C: $C")
    }
}