| /* |
| * Copyright 2019 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.ui.text |
| |
| import com.google.common.truth.Truth.assertThat |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| import kotlin.reflect.KClass |
| import kotlin.reflect.KParameter |
| import kotlin.reflect.KType |
| import kotlin.reflect.full.primaryConstructor |
| |
| @RunWith(JUnit4::class) |
| class TextSpanParagraphStyleTest { |
| |
| @Test |
| fun spanStyle_is_covered_by_TextStyle() { |
| val spanStyleParameters = constructorParams(SpanStyle::class) |
| val textStyleParameters = constructorParams(TextStyle::class) |
| |
| // for every SpanStyle parameter, expecting that parameter to be in TextStyle |
| // this guards that if a parameter is added to SpanStyle, it should be added |
| // to TextStyle |
| assertThat(textStyleParameters).containsAtLeastElementsIn(spanStyleParameters) |
| } |
| |
| @Test |
| fun paragraphStyle_is_covered_by_TextStyle() { |
| val paragraphStyleParameters = constructorParams(ParagraphStyle::class) |
| val textStyleParameters = constructorParams(TextStyle::class) |
| |
| // for every ParagraphStyle parameter, expecting that parameter to be in TextStyle |
| // this guards that if a parameter is added to ParagraphStyle, it should be added |
| // to TextStyle |
| assertThat(textStyleParameters).containsAtLeastElementsIn(paragraphStyleParameters) |
| } |
| |
| @Test |
| fun textStyle_covered_by_ParagraphStyle_and_SpanStyle() { |
| val spanStyleParameters = constructorParams(SpanStyle::class) |
| val paragraphStyleParameters = constructorParams(ParagraphStyle::class) |
| val textStyleParameters = constructorParams(TextStyle::class) |
| |
| // for every TextStyle parameter, expecting that parameter to be in either ParagraphStyle |
| // or SpanStyle |
| // this guards that if a parameter is added to TextStyle, it should be added |
| // to one of SpanStyle or ParagraphStyle |
| assertThat(spanStyleParameters + paragraphStyleParameters).containsAtLeastElementsIn( |
| textStyleParameters |
| ) |
| } |
| |
| private fun <T : Any> constructorParams(clazz: KClass<T>): List<Parameter> { |
| return clazz.primaryConstructor?.parameters?.map { Parameter(it) } ?: listOf() |
| } |
| |
| private data class Parameter( |
| val name: String?, |
| val type: KType, |
| val optional: Boolean, |
| val isVarArg: Boolean, |
| val kind: KParameter.Kind |
| ) { |
| constructor(parameter: KParameter) : this( |
| parameter.name, |
| parameter.type, |
| parameter.isOptional, |
| parameter.isVararg, |
| parameter.kind |
| ) |
| } |
| } |
