1 files changed, 69 insertions, 0 deletions
diff --git a/src/junit/runner/LoadingTestCollector.java b/src/junit/runner/LoadingTestCollector.java
new file mode 100644
index 0000000..9101900
--- /dev/null
+++ b/src/junit/runner/LoadingTestCollector.java
@@ -0,0 +1,69 @@
+package junit.runner;
+
+import java.lang.reflect.*;
+import junit.framework.*;
+
+/**
+ * An implementation of a TestCollector that loads
+ * all classes on the class path and tests whether
+ * it is assignable from Test or provides a static suite method.
+ * @see TestCollector
+ * {@hide} - Not needed for 1.0 SDK
+ */
+public class LoadingTestCollector extends ClassPathTestCollector {
+
+    TestCaseClassLoader fLoader;
+
+    public LoadingTestCollector() {
+        fLoader= new TestCaseClassLoader();
+    }
+
+    protected boolean isTestClass(String classFileName) {
+        try {
+            if (classFileName.endsWith(".class")) {
+                Class testClass= classFromFile(classFileName);
+                return (testClass != null) && isTestClass(testClass);
+            }
+        }
+        catch (ClassNotFoundException expected) {
+        }
+        catch (NoClassDefFoundError notFatal) {
+        }
+        return false;
+    }
+
+    Class classFromFile(String classFileName) throws ClassNotFoundException {
+        String className= classNameFromFile(classFileName);
+        if (!fLoader.isExcluded(className))
+            return fLoader.loadClass(className, false);
+        return null;
+    }
+
+    boolean isTestClass(Class testClass) {
+        if (hasSuiteMethod(testClass))
+            return true;
+        if (Test.class.isAssignableFrom(testClass) &&
+                Modifier.isPublic(testClass.getModifiers()) &&
+                hasPublicConstructor(testClass))
+            return true;
+        return false;
+    }
+
+    boolean hasSuiteMethod(Class testClass) {
+        try {
+            testClass.getMethod(BaseTestRunner.SUITE_METHODNAME, new Class[0]);
+        } catch(Exception e) {
+            return false;
+        }
+        return true;
+    }
+
+    boolean hasPublicConstructor(Class testClass) {
+        try {
+            TestSuite.getTestConstructor(testClass);
+        } catch(NoSuchMethodException e) {
+            return false;
+        }
+        return true;
+    }
+}