add a test for composable getter in expect/actual val getter (#3456)

compose/integrations/composable-test-cases/gradle.properties

@@ -2,13 +2,13 @@ org.gradle.jvmargs=-Xmx2048M -XX:MaxMetaspaceSize=512m
 kotlin.code.style=official
 kotlin.native.enableDependencyPropagation=false
 android.useAndroidX=true
-kotlin.version=1.8.20
+kotlin.version=1.9.0
 agp.version=7.3.0
-compose.version=1.5.0-dev1063
+compose.version=1.5.0-beta01
 kotlin.native.cacheKind=none
 
 #empty by default - a default version will be used
-compose.kotlinCompilerPluginVersion=1.4.2
+compose.kotlinCompilerPluginVersion=1.5.0
 
 # default|failingJs - see enum class CasesToRun
 tests.casesToRun=default

compose/integrations/composable-test-cases/settings.gradle.kts

@@ -118,6 +118,9 @@ if (casesToRun.isDefault()) {
 
     module(":testcase-lambdas-lib", "testcases/lambdas/lib")
     module(":testcase-lambdas-main", "testcases/lambdas/main")
+
+    module(":testcase-expectActual-lib", "testcases/expectActual/lib")
+    module(":testcase-expectActual-main", "testcases/expectActual/main")
 }
 
 /**

compose/integrations/composable-test-cases/testcases/expectActual/lib/build.gradle.kts

@@ -0,0 +1,39 @@
+plugins {
+    kotlin("multiplatform")
+    id("org.jetbrains.compose")
+}
+
+kotlin {
+    configureTargets()
+
+    sourceSets {
+        val commonMain by getting {
+            dependencies {
+                implementation(compose.runtime)
+                implementation(getCommonLib())
+            }
+        }
+        val commonTest by getting {
+            configureCommonTestDependencies()
+        }
+
+        val nativeMain by creating {
+            dependsOn(commonMain)
+        }
+        val iosMain by getting {
+            dependsOn(nativeMain)
+        }
+        val linuxX64Main by getting {
+            dependsOn(nativeMain)
+        }
+        val macosX64Main by getting {
+            dependsOn(nativeMain)
+        }
+        val macosArm64Main by getting {
+            dependsOn(nativeMain)
+        }
+        val mingwX64Main by getting {
+            dependsOn(nativeMain)
+        }
+    }
+}

compose/integrations/composable-test-cases/testcases/expectActual/lib/src/commonMain/kotlin/Dependencies.kt

@@ -0,0 +1,10 @@
+import androidx.compose.runtime.Composable
+
+class Abc
+
+
+val Abc.commonIntVal: Int
+    @Composable get() = 1000
+
+expect val Abc.composableIntVal: Int
+    @Composable get

compose/integrations/composable-test-cases/testcases/expectActual/lib/src/desktopMain/kotlin/Actuals.kt

@@ -0,0 +1,4 @@
+import androidx.compose.runtime.Composable
+
+actual val Abc.composableIntVal: Int
+    @Composable get () = 100

compose/integrations/composable-test-cases/testcases/expectActual/lib/src/jsMain/kotlin/Actuals.kt

@@ -0,0 +1,4 @@
+import androidx.compose.runtime.Composable
+
+actual val Abc.composableIntVal: Int
+    @Composable get () = 100

compose/integrations/composable-test-cases/testcases/expectActual/lib/src/nativeMain/kotlin/Actuals.kt

@@ -0,0 +1,4 @@
+import androidx.compose.runtime.Composable
+
+actual val Abc.composableIntVal: Int
+    @Composable get () = 100

compose/integrations/composable-test-cases/testcases/expectActual/main/build.gradle.kts

@@ -0,0 +1,21 @@
+plugins {
+    kotlin("multiplatform")
+    id("org.jetbrains.compose")
+}
+
+kotlin {
+    configureTargets()
+
+    sourceSets {
+        val commonMain by getting {
+            dependencies {
+                implementation(compose.runtime)
+                implementation(getCommonLib())
+                implementation(getLibDependencyForMain())
+            }
+        }
+        val commonTest by getting {
+            configureCommonTestDependencies()
+        }
+    }
+}

compose/integrations/composable-test-cases/testcases/expectActual/main/src/commonTest/kotlin/Tests.kt

@@ -0,0 +1,32 @@
+import com.example.common.TextLeafNode
+import com.example.common.composeText
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.test.runTest
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+@OptIn(ExperimentalCoroutinesApi::class)
+class Tests {
+
+    @Test
+    // K/JS fails. Related: https://github.com/JetBrains/compose-multiplatform/issues/3373
+    fun composableExpectActualValGetter() = runTest {
+        val root = composeText {
+            val v = Abc().composableIntVal
+            TextLeafNode("$v")
+        }
+
+        assertEquals("root:{100}", root.dump())
+    }
+
+    @Test
+    fun commonComposableValGetter() = runTest {
+        val root = composeText {
+            val v = Abc().commonIntVal
+            TextLeafNode("$v")
+        }
+
+        assertEquals("root:{1000}", root.dump())
+    }
+
+}