[java-inspections] MagicConstantInspection: test to ensure that parameters and fields do not propagate automatically

GitOrigin-RevId: 7053c2c950894e6694353e90d77cb1f2ff772fb3

java/java-tests/testData/inspection/magic/Propagate.java

@@ -0,0 +1,36 @@
+import org.intellij.lang.annotations.MagicConstant;
+
+class Main {
+  static final int V1 = 10;
+  static final int V2 = 20;
+
+  void consume(@MagicConstant(intValues = {V1, V2}) int x) {
+
+  }
+}
+class Use {
+  int field;
+  int fieldOk;
+  @MagicConstant(intValues = {Main.V1, Main.V2})
+  int fieldOkAnnotated;
+
+  Use() {
+    this.field = 123;
+    this.fieldOk = Main.V1;
+    this.fieldOkAnnotated = Main.V2;
+    test(123, Main.V1, Main.V2);
+  }
+
+  void test(int parameter, int parameterOk, @MagicConstant(intValues = {Main.V1, Main.V2}) int parameterOkAnnotated) {
+    int local = 123;
+    int localOk = Main.V1;
+    new Main().consume(<warning descr="Should be one of: Main.V1, Main.V2">field</warning>);
+    new Main().consume(<warning descr="Should be one of: Main.V1, Main.V2">fieldOk</warning>);
+    new Main().consume(fieldOkAnnotated);
+    new Main().consume(<warning descr="Should be one of: Main.V1, Main.V2">local</warning>);
+    new Main().consume(localOk);
+    new Main().consume(<warning descr="Should be one of: Main.V1, Main.V2">parameter</warning>);
+    new Main().consume(<warning descr="Should be one of: Main.V1, Main.V2">parameterOk</warning>);
+    new Main().consume(parameterOkAnnotated);
+  }
+}

java/java-tests/testSrc/com/intellij/java/codeInspection/MagicConstantInspectionTest.java

@@ -37,6 +37,7 @@ public class MagicConstantInspectionTest extends LightJavaCodeInsightFixtureTest
   public void testEnumConstructor() { doTest(); }
   public void testFieldInitializer() { doTest(); }
   public void testSwitchBlock() { doTest(); }
+  public void testPropagate() { doTest(); }
   public void testSwitchExpression1() { IdeaTestUtil.withLevel(getModule(), LanguageLevel.JDK_14, () -> doTest()); }
   public void testSwitchExpression2() { IdeaTestUtil.withLevel(getModule(), LanguageLevel.JDK_14, () -> doTest()); }