| /* |
| * Copyright 2023 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.foundation.text2.input |
| |
| import androidx.compose.foundation.ExperimentalFoundationApi |
| import androidx.compose.runtime.saveable.SaverScope |
| import androidx.compose.ui.text.TextRange |
| import com.google.common.truth.Truth.assertThat |
| import kotlin.test.assertNotNull |
| import org.junit.Test |
| |
| @OptIn(ExperimentalFoundationApi::class) |
| class TextFieldStateSaverTest { |
| |
| @Test |
| fun savesAndRestoresTextAndSelection() { |
| val state = TextFieldState("hello, world", initialSelectionInChars = TextRange(0, 5)) |
| |
| val saved = with(TextFieldState.Saver) { TestSaverScope.save(state) } |
| assertNotNull(saved) |
| val restoredState = TextFieldState.Saver.restore(saved) |
| |
| assertNotNull(restoredState) |
| assertThat(restoredState.value.toString()).isEqualTo("hello, world") |
| assertThat(restoredState.value.selectionInChars).isEqualTo(TextRange(0, 5)) |
| } |
| |
| private object TestSaverScope : SaverScope { |
| override fun canBeSaved(value: Any): Boolean = true |
| } |
| } |
