1 files changed, 69 insertions, 0 deletions
diff --git a/src/test/java/org/javacs/SourceFileManagerTest.java b/src/test/java/org/javacs/SourceFileManagerTest.java
new file mode 100644
index 0000000..ab40c5e
--- /dev/null
+++ b/src/test/java/org/javacs/SourceFileManagerTest.java
@@ -0,0 +1,69 @@
+package org.javacs;
+
+import static org.hamcrest.Matchers.*;
+import static org.junit.Assert.*;
+
+import java.io.IOException;
+import java.nio.charset.Charset;
+import java.nio.file.Path;
+import java.util.*;
+import java.util.logging.Logger;
+import javax.tools.*;
+import org.junit.Test;
+
+public class SourceFileManagerTest {
+    static final Path src = LanguageServerFixture.DEFAULT_WORKSPACE_ROOT.resolve("src");
+    static final Path classes = LanguageServerFixture.DEFAULT_WORKSPACE_ROOT.resolve("target/classes");
+    final SourceFileManager sourceFileManager = createSourceFileManager();
+    final StandardJavaFileManager standardFileManager = createDelegateFileManager();
+
+    private static SourceFileManager createSourceFileManager() {
+        var fileManager = new SourceFileManager(Set.of(src));
+        try {
+            fileManager.setLocationFromPaths(StandardLocation.SOURCE_PATH, List.of(src));
+            fileManager.setLocationFromPaths(StandardLocation.CLASS_PATH, List.of(classes));
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+        return fileManager;
+    }
+
+    private static StandardJavaFileManager createDelegateFileManager() {
+        var compiler = ServiceLoader.load(JavaCompiler.class).iterator().next();
+        var fileManager =
+                compiler.getStandardFileManager(
+                        err -> LOG.severe(err.getMessage(null)), null, Charset.defaultCharset());
+        try {
+            fileManager.setLocationFromPaths(StandardLocation.SOURCE_PATH, List.of(src));
+            fileManager.setLocationFromPaths(StandardLocation.CLASS_PATH, List.of(classes));
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+        return fileManager;
+    }
+
+    @Test
+    public void binaryNameOfPackagePrivateClass() throws IOException {
+        var standardJava =
+                standardFileManager.getJavaFileForInput(
+                        StandardLocation.SOURCE_PATH, "com.example.PackagePrivate", JavaFileObject.Kind.SOURCE);
+        var standardClass =
+                standardFileManager.getJavaFileForInput(
+                        StandardLocation.CLASS_PATH, "com.example.PackagePrivate", JavaFileObject.Kind.CLASS);
+        var sourceJava =
+                sourceFileManager.getJavaFileForInput(
+                        StandardLocation.SOURCE_PATH, "com.example.PackagePrivate", JavaFileObject.Kind.SOURCE);
+        var sourceClass =
+                sourceFileManager.getJavaFileForInput(
+                        StandardLocation.CLASS_PATH, "com.example.PackagePrivate", JavaFileObject.Kind.CLASS);
+        var standardJavaName = standardFileManager.inferBinaryName(StandardLocation.SOURCE_PATH, standardJava);
+        var standardClassName = standardFileManager.inferBinaryName(StandardLocation.CLASS_PATH, standardClass);
+        var sourceJavaName = sourceFileManager.inferBinaryName(StandardLocation.SOURCE_PATH, sourceJava);
+        var sourceClassName = sourceFileManager.inferBinaryName(StandardLocation.CLASS_PATH, sourceClass);
+        assertThat(standardClassName, equalTo(standardJavaName));
+        assertThat(sourceJavaName, equalTo(standardJavaName));
+        assertThat(sourceClassName, equalTo(standardJavaName));
+    }
+
+    private static final Logger LOG = Logger.getLogger("main");
+}