Add test for annotations with annotation-array-typed fields

Author: smowton

java/ql/test/library-tests/annotation-arrays/Test.java

@@ -0,0 +1,14 @@
+class Test {
+
+  @interface CustomAnnotation {
+    String value();
+  }
+
+  @interface ArrayValues {
+    CustomAnnotation[] annotationValues();
+  }
+
+  @ArrayValues(annotationValues = @CustomAnnotation(value = "only")) private int fieldWithSingular;
+  @ArrayValues(annotationValues = {@CustomAnnotation(value = "val1"), @CustomAnnotation(value = "val2")}) private int fieldWithMultiple;
+
+}

java/ql/test/library-tests/annotation-arrays/test.expected

@@ -0,0 +1,3 @@
+| Test.java:11:82:11:98 | fieldWithSingular | Test.java:11:3:11:68 | ArrayValues | Test.java:11:35:11:67 | {...} | Test.java:11:35:11:67 | CustomAnnotation |
+| Test.java:12:119:12:135 | fieldWithMultiple | Test.java:12:3:12:105 | ArrayValues | Test.java:12:35:12:104 | {...} | Test.java:12:36:12:68 | CustomAnnotation |
+| Test.java:12:119:12:135 | fieldWithMultiple | Test.java:12:3:12:105 | ArrayValues | Test.java:12:35:12:104 | {...} | Test.java:12:71:12:103 | CustomAnnotation |

java/ql/test/library-tests/annotation-arrays/test.ql

@@ -0,0 +1,9 @@
+import java
+
+from Field f, Annotation ann, Expr value, Expr valueChild
+where
+  f.getDeclaringType().fromSource() and
+  ann = f.getAnAnnotation() and
+  value = ann.getAValue() and
+  valueChild.getParent() = value
+select f, ann, value, valueChild