1 files changed, 96 insertions, 0 deletions
diff --git a/asm-util/src/test/java/org/objectweb/asm/util/SignaturesProviders.java b/asm-util/src/test/java/org/objectweb/asm/util/SignaturesProviders.java
new file mode 100644
index 00000000..fdc28a1d
--- /dev/null
+++ b/asm-util/src/test/java/org/objectweb/asm/util/SignaturesProviders.java
@@ -0,0 +1,96 @@
+package org.objectweb.asm.util;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Stream;
+import org.objectweb.asm.ClassReader;
+import org.objectweb.asm.ClassVisitor;
+import org.objectweb.asm.FieldVisitor;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
+import org.objectweb.asm.test.AsmTest;
+import org.objectweb.asm.test.AsmTest.PrecompiledClass;
+
+/**
+ * Provides class, field and method signatures for parameterized unit tests.
+ *
+ * @author Eric Bruneton
+ */
+public final class SignaturesProviders {
+
+  private static final List<String> CLASS_SIGNATURES = new ArrayList<>();
+  private static final List<String> FIELD_SIGNATURES = new ArrayList<>();
+  private static final List<String> METHOD_SIGNATURES = new ArrayList<>();
+
+  static {
+    AsmTest.allClassesAndLatestApi()
+        .map(argument -> (PrecompiledClass) argument.get()[0])
+        .filter(precompiledClass -> !precompiledClass.isMoreRecentThan(AsmTest.Api.ASM7))
+        .forEach(precompiledClass -> collectSignatures(precompiledClass));
+    assertFalse(CLASS_SIGNATURES.isEmpty());
+    assertFalse(FIELD_SIGNATURES.isEmpty());
+    assertFalse(METHOD_SIGNATURES.isEmpty());
+  }
+
+  private SignaturesProviders() {}
+
+  private static void collectSignatures(final PrecompiledClass classParameter) {
+    ClassReader classReader = new ClassReader(classParameter.getBytes());
+    classReader.accept(
+        new ClassVisitor(/* latest api*/ Opcodes.ASM9) {
+          @Override
+          public void visit(
+              final int version,
+              final int access,
+              final String name,
+              final String signature,
+              final String superName,
+              final String[] interfaces) {
+            if (signature != null) {
+              CLASS_SIGNATURES.add(signature);
+            }
+          }
+
+          @Override
+          public FieldVisitor visitField(
+              final int access,
+              final String name,
+              final String descriptor,
+              final String signature,
+              final Object value) {
+            if (signature != null) {
+              FIELD_SIGNATURES.add(signature);
+            }
+            return null;
+          }
+
+          @Override
+          public MethodVisitor visitMethod(
+              final int access,
+              final String name,
+              final String descriptor,
+              final String signature,
+              final String[] exceptions) {
+            if (signature != null) {
+              METHOD_SIGNATURES.add(signature);
+            }
+            return null;
+          }
+        },
+        0);
+  }
+
+  static Stream<String> classSignatures() {
+    return CLASS_SIGNATURES.stream();
+  }
+
+  static Stream<String> fieldSignatures() {
+    return FIELD_SIGNATURES.stream();
+  }
+
+  static Stream<String> methodSignatures() {
+    return METHOD_SIGNATURES.stream();
+  }
+}