[FIR JS] Prepare the test data for FIR

compiler/testData/diagnostics/testsWithJsStdLib/reflection/reflectionApi.fir.kt

@@ -0,0 +1,50 @@
+// !DIAGNOSTICS: -UNUSED_EXPRESSION
+import kotlin.reflect.*
+
+class Foo(val prop: Any) {
+    fun func() {}
+}
+
+fun testSomeValidCases(p0: KProperty0<Int>, pm0: KMutableProperty0<String>, f: KFunction<String>, p1: KProperty1<String, Int>, p2: KProperty2<String, String, Int>) {
+    Foo::prop
+    Foo::func
+    Foo::class
+    p0.get()
+    p0.name
+    pm0.set("")
+    f.name
+    p1.get("")
+    p2.get("", "")
+    (Foo::func).invoke(Foo(""))
+    (Foo::func)(Foo(""))
+
+    p0 == pm0
+    p1.equals(p2)
+    p0.hashCode()
+    f.toString()
+}
+
+fun <T : Any> kclass(k: KClass<*>, kt: KClass<T>) {
+    k.simpleName
+    k.qualifiedName
+    k.<!UNRESOLVED_REFERENCE!>members<!>
+    k.<!UNRESOLVED_REFERENCE!>constructors<!>
+    k.<!UNRESOLVED_REFERENCE!>nestedClasses<!>
+    k.<!UNRESOLVED_REFERENCE!>objectInstance<!>
+    k.<!UNRESOLVED_REFERENCE!>typeParameters<!>
+    k.<!UNRESOLVED_REFERENCE!>supertypes<!>
+    k.<!UNRESOLVED_REFERENCE!>visibility<!>
+    k.<!UNRESOLVED_REFERENCE!>isFinal<!>
+    k.<!UNRESOLVED_REFERENCE!>isOpen<!>
+    k.<!UNRESOLVED_REFERENCE!>isAbstract<!>
+    k.<!UNRESOLVED_REFERENCE!>isSealed<!>
+    k.<!UNRESOLVED_REFERENCE!>isData<!>
+    k.<!UNRESOLVED_REFERENCE!>isInner<!>
+    k.<!UNRESOLVED_REFERENCE!>isCompanion<!>
+
+    k.<!UNRESOLVED_REFERENCE!>annotations<!>
+
+    k == kt
+    k.hashCode()
+    k.toString()
+}