Java: Improved completion for arguments of getField() and getMethod() - extract the type information from forName() and getClass() to provide code assistance (IDEA-167250)

java/java-tests/testData/codeInsight/completion/reflection/ConstantGetClassField.java

@@ -0,0 +1,16 @@
+class Main {
+  final Parent test = new Test();
+  void foo() {
+    test.getClass().getField("<caret>");
+  }
+}
+
+class Test extends Parent {
+  public int num;
+  int num2;
+}
+
+class Parent {
+  public int num3;
+  int num4;
+}

java/java-tests/testData/codeInsight/completion/reflection/ConstantGetClassField_after.java

@@ -0,0 +1,16 @@
+class Main {
+  final Parent test = new Test();
+  void foo() {
+    test.getClass().getField("num2");
+  }
+}
+
+class Test extends Parent {
+  public int num;
+  int num2;
+}
+
+class Parent {
+  public int num3;
+  int num4;
+}

java/java-tests/testData/codeInsight/completion/reflection/ConstantMethod.java

@@ -0,0 +1,11 @@
+class Main {
+  final Class<?> clazz = Test.class;
+  void foo() {
+    clazz.getMethod("<caret>");
+  }
+}
+
+class Test {
+  public void method(){}
+  void method2(int n){}
+}

java/java-tests/testData/codeInsight/completion/reflection/ConstantMethod_after.java

@@ -0,0 +1,11 @@
+class Main {
+  final Class<?> clazz = Test.class;
+  void foo() {
+    clazz.getMethod("method");
+  }
+}
+
+class Test {
+  public void method(){}
+  void method2(int n){}
+}

java/java-tests/testData/codeInsight/completion/reflection/DistantDefinition.java

@@ -0,0 +1,16 @@
+class Main {
+  void foo() {
+    Class<?> d = d();
+    d = d();
+    int i = 0;
+    (d).getDeclaredMethod("<caret>");
+  }
+  Class<Test> d() {
+    return Test.class;
+  }
+}
+
+class Test {
+  public int method() {}
+  int method2(int n) {}
+}

java/java-tests/testData/codeInsight/completion/reflection/DistantDefinition_after.java

@@ -0,0 +1,16 @@
+class Main {
+  void foo() {
+    Class<?> d = d();
+    d = d();
+    int i = 0;
+    (d).getDeclaredMethod("method2", int.class);
+  }
+  Class<Test> d() {
+    return Test.class;
+  }
+}
+
+class Test {
+  public int method() {}
+  int method2(int n) {}
+}

java/java-tests/testData/codeInsight/completion/reflection/ExpressionGetClassField.java

@@ -0,0 +1,12 @@
+class Main {
+  void foo() {
+    bar().getClass().getField("<caret>");
+  }
+  Test bar() { return null; }
+}
+
+class Test {
+  public int num;
+  public int num2;
+  int num3;
+}

java/java-tests/testData/codeInsight/completion/reflection/ExpressionGetClassField_after.java

@@ -0,0 +1,12 @@
+class Main {
+  void foo() {
+    bar().getClass().getField("num2");
+  }
+  Test bar() { return null; }
+}
+
+class Test {
+  public int num;
+  public int num2;
+  int num3;
+}

java/java-tests/testData/codeInsight/completion/reflection/VariableGetClassField.java

@@ -0,0 +1,12 @@
+class Main {
+  Test test;
+  void foo() {
+    test.getClass().getField("<caret>");
+  }
+}
+
+class Test {
+  public int num;
+  public int num2;
+  int num3;
+}

java/java-tests/testData/codeInsight/completion/reflection/VariableGetClassField_after.java

@@ -0,0 +1,12 @@
+class Main {
+  Test test;
+  void foo() {
+    test.getClass().getField("num2");
+  }
+}
+
+class Test {
+  public int num;
+  public int num2;
+  int num3;
+}

java/java-tests/testData/codeInsight/completion/reflection/Wildcard.java

@@ -0,0 +1,10 @@
+class Main {
+  void foo() throws NoSuchMethodException {
+    clazz().getMethod("<caret>");
+  }
+  private Class<? extends Test> clazz() {return Test.class;}
+}
+
+class Test {
+  public void method(){}
+}

java/java-tests/testData/codeInsight/completion/reflection/Wildcard_after.java

@@ -0,0 +1,10 @@
+class Main {
+  void foo() throws NoSuchMethodException {
+    clazz().getMethod("method");
+  }
+  private Class<? extends Test> clazz() {return Test.class;}
+}
+
+class Test {
+  public void method(){}
+}