Download openjdk sources for tests

.gitignore

@@ -9,6 +9,7 @@
 
 /third-party/downloads/*
 /third-party/**/*.jar
+/src/test/resources/downloads/*
 
 /*.jar
 /docs

src/test/java/TestJtags.java

@@ -1,6 +1,13 @@
 import static notest.Test.Util.*;
 
 import java.io.IOException;
+import java.io.InputStream;
+import java.net.URI;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
 import notest.Test;
 
 class TestJtags {
@@ -18,10 +25,70 @@ class TestJtags {
             Jtags,
             "-o",
             "-",
-            "src/test/java/examples/BasicExample.java");
+            "src/test/resources/BasicExample.java");
 
     var tags = readAllLines(process.inputReader());
 
     getSnapshot().assertEquals(tags);
   }
+
+  static void downloadOpenjdkSources() throws IOException {
+    Path destination = Path.of("src", "test", "resources", "downloads");
+    if (Files.exists(destination.resolve("openjdk-src"))) return;
+
+    URL openjdkSrcZipURL =
+        URI.create("https://github.com/openjdk/jdk24u/archive/refs/tags/jdk-24+36.zip").toURL();
+    Path openjdkSrcZip = destination.resolve("jdk-24+36.zip");
+
+    if (!Files.exists(openjdkSrcZip)) {
+      System.err.println("Downloading openjdk sources jdk-24+36.zip (~118MB)...");
+      openjdkSrcZipURL
+          .openConnection()
+          .getInputStream()
+          .transferTo(Files.newOutputStream(openjdkSrcZip));
+    }
+
+    System.err.println("Extracting openjdk sources...");
+
+    Files.createDirectories(destination.resolve("openjdk-src"));
+
+    try (InputStream in = Files.newInputStream(openjdkSrcZip);
+        ZipInputStream zin = new ZipInputStream(in)) {
+      ZipEntry entry;
+      while ((entry = zin.getNextEntry()) != null) {
+        if (!entry.getName().startsWith("jdk24u-jdk-24-36/src/j")) {
+          zin.closeEntry();
+          entry = zin.getNextEntry();
+          continue;
+        }
+        Path entryPath =
+            destination.resolve(
+                "openjdk-src", entry.getName().substring("jdk24u-jdk-24-36/src/".length()));
+        if (entry.isDirectory()) {
+          Files.createDirectories(entryPath);
+        } else {
+          var bytes = zin.readAllBytes();
+          Files.write(entryPath, bytes);
+        }
+        zin.closeEntry();
+      }
+    }
+  }
+
+  @Test
+  static void openjdkSources() throws IOException {
+    downloadOpenjdkSources();
+
+    // var process =
+    //     runJava(
+    //         new String[] {"-Dlogger.level=CONFIG"},
+    //         Jtags,
+    //         Stream.concat(Stream.of("-o", "-"),
+    // Arrays.stream(glob("src/test/resources/downloads/**/.java")))
+    //             .toArray(String[]::new));
+
+    // var tags = readAllLines(process.inputReader());
+
+    // getSnapshot().assertEquals(tags);
+  }
 }

src/test/java/snapshots/TestJtags.basicExample.1

@@ -1,9 +1,9 @@
-ABC
 !_TAG_FILE_ENCODING	utf-8
 !_TAG_FILE_SORTED	2	/0=unsorted, 1=sorted, 2=foldcase/
-InnerClass	src/test/java/examples/BasicExample.java	/^    class InnerClass {$/;"	Cls	package:examples	class:BasicExample
-method1	src/test/java/examples/BasicExample.java	/^  private boolean method1() {$/;"	mthd	class:BasicExample
-method2	src/test/java/examples/BasicExample.java	/^          void method2() {}$/;"	mthd	class:(Anonymous)
-methodX	src/test/java/examples/BasicExample.java	/^  public static void method2($/;"	mthd	file:	class:BasicExample
-method3	src/test/java/examples/BasicExample.java	/^      void method3() {}$/;"	mthd	class:InnerClass
-method4	src/test/java/examples/BasicExample.java	/^      private void method4() {}$/;"	mthd	class:InnerClass
+BasicExample	src/test/resources/BasicExample.java	/^public class BasicExample {$/;"	Cls	package:examples
+InnerClass	src/test/resources/BasicExample.java	/^    class InnerClass {$/;"	Cls	package:examples	class:BasicExample
+method1	src/test/resources/BasicExample.java	/^  private boolean method1() {$/;"	mthd	class:BasicExample
+method2	src/test/resources/BasicExample.java	/^          void method2() {}$/;"	mthd	class:(Anonymous)
+method2	src/test/resources/BasicExample.java	/^  public static void method2($/;"	mthd	file:	class:BasicExample
+method3	src/test/resources/BasicExample.java	/^      void method3() {}$/;"	mthd	class:InnerClass
+method4	src/test/resources/BasicExample.java	/^      private void method4() {}$/;"	mthd	class:InnerClass