Add test for ECJ compiling an enum with a constructor parameter annotation

Author: smowton

java/ql/integration-tests/all-platforms/java/ecj-tolerate-enum-annotations/ExtractorInformation.expected

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+| Annotation processors enabled: true | 1 |
+| Number of calls with call target | 5 |
+| Number of calls with missing call target | 0 |
+| Number of expressions with known type | 21 |
+| Number of expressions with unknown type | 0 |
+| Number of files | 697 |
+| Number of files with extension class | 692 |
+| Number of files with extension java | 2 |
+| Number of files with extension properties | 2 |
+| Number of lines of code | 6 |
+| Number of lines of code with extension java | 6 |
+| Percentage of calls with call target | 100 |
+| Percentage of expressions with known type | 100 |
+| Total number of lines | 11 |
+| Total number of lines with extension java | 11 |
+| Used annotation processor: lombok.launch.AnnotationProcessorHider$AnnotationProcessor | 1 |
+| Used annotation processor: lombok.launch.AnnotationProcessorHider$ClaimingProcessor | 1 |

java/ql/integration-tests/all-platforms/java/ecj-tolerate-enum-annotations/ExtractorInformation.qlref

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+Telemetry/ExtractorInformation.ql

java/ql/integration-tests/all-platforms/java/ecj-tolerate-enum-annotations/Test.java

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+public enum Test {
+
+  A("A"), B("B"), C("C");
+
+  private Test(@Ann String x) { }
+
+}
+
+@interface Ann {}

java/ql/integration-tests/all-platforms/java/ecj-tolerate-enum-annotations/Test2.java

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+
+public class Test2 { Test t; }

java/ql/integration-tests/all-platforms/java/ecj-tolerate-enum-annotations/test.expected

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+| Test.java:5:16:5:28 | x | Test.java:5:16:5:19 | Ann |

java/ql/integration-tests/all-platforms/java/ecj-tolerate-enum-annotations/test.py

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+import urllib.request
+from create_database_utils import *
+
+urllib.request.urlretrieve("https://repo1.maven.org/maven2/org/eclipse/jdt/ecj/3.38.0/ecj-3.38.0.jar", "ecj.jar")
+
+# This tests the case where ECJ emits a RuntimeIn/VisibleAnnotations attribute that isn't the same size as the corresponding method argument list, in particular due to forgetting to include the synthetic parameters added to explicit enumeration constructors.
+
+run_codeql_database_create(["java -cp ecj.jar org.eclipse.jdt.internal.compiler.batch.Main Test.java -d out -source 8", "java -cp ecj.jar org.eclipse.jdt.internal.compiler.batch.Main Test2.java -cp out -source 8"], lang="java")

java/ql/integration-tests/all-platforms/java/ecj-tolerate-enum-annotations/test.ql

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+import java
+
+from Parameter p
+select p, p.getAnAnnotation()