tests: add tests covering array-specific MethodHandle initializers

src/test/kotlin/de/sirywell/methodhandleplugin/mhtype/MethodHandleInspectionsTest.kt

@@ -36,6 +36,14 @@ class MethodHandleInspectionsTest : LightJavaCodeInsightFixtureTestCase() {
 
     fun testSimpleIdentity() = doTypeCheckingTest()
 
+    fun testInitializeArrayConstructor() = doTypeCheckingTest()
+
+    fun testInitializeArrayElementGetter() = doTypeCheckingTest()
+
+    fun testInitializeArrayElementSetter() = doTypeCheckingTest()
+
+    fun testInitializeArrayLength() = doTypeCheckingTest()
+
     fun testMethodTypeAppendParameterTypes() = doTypeCheckingTest()
 
     fun testMethodTypeChangeParameterType() = doTypeCheckingTest()

src/test/testData/InitializeArrayConstructor.java

@@ -0,0 +1,6 @@
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles;
+
+class InitializeArrayConstructor {
+  <info descr="(int)double[]">private static final MethodHandle MH = <info descr="(int)double[]">MethodHandles.arrayConstructor(double[].class)</info>;</info>
+}

src/test/testData/InitializeArrayElementGetter.java

@@ -0,0 +1,6 @@
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles;
+
+class InitializeArrayGetter {
+  <info descr="(double[],int)double">private static final MethodHandle MH = <info descr="(double[],int)double">MethodHandles.arrayElementGetter(double[].class)</info>;</info>
+}

src/test/testData/InitializeArrayElementSetter.java

@@ -0,0 +1,6 @@
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles;
+
+class InitializeArraySetter {
+  <info descr="(double[],int,double)void">private static final MethodHandle MH = <info descr="(double[],int,double)void">MethodHandles.arrayElementSetter(double[].class)</info>;</info>
+}

src/test/testData/InitializeArrayLength.java

@@ -0,0 +1,6 @@
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles;
+
+class InitializeArrayLength {
+  <info descr="(double[])int">private static final MethodHandle MH = <info descr="(double[])int">MethodHandles.arrayLength(double[].class)</info>;</info>
+}