Fix crash when we resize ComposePanel after re-adding it to the hierarchy

compose/ui/ui/src/desktopMain/kotlin/androidx/compose/ui/scene/ComposeContainer.desktop.kt

@@ -155,6 +155,7 @@ internal class ComposeContainer(
     }
 
     fun dispose() {
+        _windowContainer?.removeComponentListener(this)
         mediator.dispose()
         layers.fastForEach(DesktopComposeSceneLayer::close)
     }

compose/ui/ui/src/desktopTest/kotlin/androidx/compose/ui/awt/ComposePanelTest.kt

@@ -29,12 +29,17 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.ExperimentalComposeUiApi
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.geometry.Size
 import androidx.compose.ui.input.pointer.PointerEventType
 import androidx.compose.ui.input.pointer.onPointerEvent
 import androidx.compose.ui.layout.layout
+import androidx.compose.ui.layout.onGloballyPositioned
 import androidx.compose.ui.sendMouseEvent
 import androidx.compose.ui.unit.Constraints
+import androidx.compose.ui.unit.IntSize
 import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.toSize
+import androidx.compose.ui.util.ThrowUncaughtExceptionRule
 import androidx.compose.ui.window.density
 import androidx.compose.ui.window.runApplicationTest
 import com.google.common.truth.Truth.assertThat
@@ -54,9 +59,13 @@ import org.jetbrains.skiko.MainUIDispatcher
 import org.jetbrains.skiko.OS
 import org.jetbrains.skiko.SkiaLayerAnalytics
 import org.junit.Assume.assumeFalse
+import org.junit.Rule
 import org.junit.Test
 
 class ComposePanelTest {
+    @get:Rule
+    val throwUncaughtExceptionRule = ThrowUncaughtExceptionRule()
+
     @Test
     fun `don't override user preferred size`() {
         assumeFalse(GraphicsEnvironment.getLocalGraphicsEnvironment().isHeadlessInstance)
@@ -270,6 +279,47 @@ class ComposePanelTest {
         }
     }
 
+    // https://github.com/JetBrains/compose-multiplatform/issues/4479
+    @Test
+    fun `add, removing, add, set size`() {
+        assumeFalse(GraphicsEnvironment.getLocalGraphicsEnvironment().isHeadlessInstance)
+
+        runBlocking(MainUIDispatcher) {
+            var size = Size.Zero
+            val composePanel = ComposePanel()
+            composePanel.setContent {
+                Box(Modifier.fillMaxSize().onGloballyPositioned {
+                    size = it.size.toSize()
+                })
+            }
+
+            val frame = JFrame()
+            frame.isUndecorated = true
+            frame.size = Dimension(100, 100)
+            try {
+                val density = frame.contentPane.density.density
+                frame.contentPane.add(composePanel)
+                frame.isVisible = true
+                delay(1000)
+                assertEquals(Size(100f * density, 100f * density), size)
+
+                frame.contentPane.remove(composePanel)
+                delay(1000)
+                assertEquals(Size(100f * density, 100f * density), size)
+
+                frame.contentPane.add(composePanel)
+                delay(1000)
+                assertEquals(Size(100f * density, 100f * density), size)
+
+                frame.size = Dimension(200, 100)
+                delay(1000)
+                assertEquals(Size(200f * density, 100f * density), size)
+            } finally {
+                frame.dispose()
+            }
+        }
+    }
+
     @Test
     fun `initial panel size with border layout`() {
         assumeFalse(GraphicsEnvironment.getLocalGraphicsEnvironment().isHeadlessInstance)

compose/ui/ui/src/desktopTest/kotlin/androidx/compose/ui/util/ThrowUncaughtExceptionRule.kt

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2024 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.ui.util
+
+import org.junit.rules.TestRule
+import org.junit.runner.Description
+import org.junit.runners.model.Statement
+
+/**
+ * A rule that throw an exception in the end of test if there were any uncaught exceptions.
+ *
+ * It is needed in cases, where exceptions are thrown outside testing thread.
+ *
+ * For example, AWT Event Thread can fire event independently,
+ * and its handler can throw an exception without failing the test.
+ *
+ * Usage:
+ *     @get:Rule
+ *     val throwUncaughtExceptionRule = ThrowUncaughtExceptionRule()
+ */
+class ThrowUncaughtExceptionRule : TestRule {
+    override fun apply(base: Statement, description: Description): Statement {
+        return object : Statement() {
+            @Throws(Throwable::class)
+            override fun evaluate() {
+                val oldHandler = Thread.getDefaultUncaughtExceptionHandler()
+                var exception: Throwable? = null
+
+                Thread.setDefaultUncaughtExceptionHandler { t, e ->
+                    if (exception != null) {
+                        exception!!.addSuppressed(e)
+                    } else {
+                        exception = e
+                    }
+                }
+
+                try {
+                    base.evaluate()
+                } finally {
+                    Thread.setDefaultUncaughtExceptionHandler(oldHandler)
+                }
+
+                exception?.let { throw it }
+            }
+        }
+    }
+}