content: /*
   * 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 io.airlift.bytecode.expression;
  
  import com.google.common.collect.ImmutableList;
  import org.junit.jupiter.api.Test;
  
  import java.lang.invoke.CallSite;
  import java.lang.invoke.ConstantCallSite;
  import java.lang.invoke.MethodHandle;
  import java.lang.invoke.MethodHandles;
  import java.lang.invoke.MethodType;
  import java.lang.reflect.Method;
  
  import static io.airlift.bytecode.expression.BytecodeExpressionAssertions.assertBytecodeExpression;
  import static io.airlift.bytecode.expression.BytecodeExpressions.constantString;
  import static io.airlift.bytecode.expression.BytecodeExpressions.invokeDynamic;
  
  public class TestInvokeDynamicBytecodeExpression
  {
      @Test
      void testInvokeStaticMethod()
              throws Exception
      {
          assertBytecodeExpression(
                  invokeDynamic(TEST_BOOTSTRAP_METHOD, ImmutableList.of("bar"), "foo", String.class, constantString("baz")),
                  "foo-bar-baz",
                  "[bootstrap(\"bar\")]=>foo(\"baz\")");
      }
  
      @SuppressWarnings("WeakerAccess")
      public static final Method TEST_BOOTSTRAP_METHOD;
  
      static {
          try {
              TEST_BOOTSTRAP_METHOD = TestInvokeDynamicBytecodeExpression.class.getMethod("bootstrap", MethodHandles.Lookup.class, String.class, MethodType.class, String.class);
          }
          catch (NoSuchMethodException e) {
              throw new RuntimeException(e);
          }
      }
  
      public static CallSite bootstrap(MethodHandles.Lookup callerLookup, String name, MethodType type, String prefix)
              throws Exception
      {
          MethodHandle methodHandle = callerLookup.findVirtual(String.class, "concat", MethodType.methodType(String.class, String.class));
          methodHandle = methodHandle.bindTo(name + "-" + prefix + "-");
          return new ConstantCallSite(methodHandle);
      }
  }
  