web: add compiler test case for type nullable params (#1227)

Co-authored-by: Oleksandr Karpovich <oleksandr.karpovich@jetbrains.com>

web/compose-compiler-integration/testcases/failing/ComposableWithNullableTypeParameter.kt

@@ -0,0 +1,27 @@
+// @Module:Main
+
+// https://github.com/JetBrains/compose-jb/issues/1226
+
+import kotlin.reflect.KProperty
+import androidx.compose.runtime.Composable
+
+@Composable
+fun <T> MySelect(
+    options: List<T>,
+    onChange: (T?) -> Unit
+) {
+
+}
+
+fun main() {
+    callComposable {
+        MySelect<String>(
+            options = emptyList(),
+            onChange = {}
+        )
+    }
+}
+
+fun callComposable(content: @Composable () -> Unit) {
+    // does nothing
+}

web/compose-compiler-integration/testcases/passing/ComposableWithTypeParams.kt

@@ -9,6 +9,7 @@ fun main() {
         FooTakesTypedComposableLambda { "text" }
         FooTakesTypedComposableLambda2(10) { it + 100 }
         FooTakesTypedExtesionComposableLambda<String, Any, Unit>("text", Any()) { }
+        MySelect<String>(emptyList(), {})
     }
 }
 
@@ -34,3 +35,10 @@ fun <T> FooTakesTypedComposableLambda2(t: T, composable: @Composable (T) -> T) {
 fun <T, K, R> FooTakesTypedExtesionComposableLambda(t: T, k: K, composable: @Composable T.(K) -> R) {
     t.composable(k)
 }
+
+@Composable
+fun <T> MySelect(
+    options: List<T>,
+    onChange: (T) -> Unit
+) {
+}