Added tests for ecj, fixed a few minor bugs that came out of that.

test/transform/resource/after-ecj/ToStringInner.java

@@ -0,0 +1,43 @@
+import lombok.ToString;
+@ToString class ToStringOuter {
+  @ToString class ToStringInner {
+    final int y;
+    ToStringInner() {
+      super();
+    }
+    public @java.lang.Override @java.lang.SuppressWarnings("all") java.lang.String toString() {
+      return (("ToStringInner(y=" + this.y) + ")");
+    }
+  }
+  static @ToString class ToStringStaticInner {
+    final int y;
+    ToStringStaticInner() {
+      super();
+    }
+    public @java.lang.Override @java.lang.SuppressWarnings("all") java.lang.String toString() {
+      return (("ToStringStaticInner(y=" + this.y) + ")");
+    }
+  }
+  class ToStringMiddle {
+    @ToString class ToStringMoreInner {
+      final String name;
+      ToStringMoreInner() {
+        super();
+      }
+      public @java.lang.Override @java.lang.SuppressWarnings("all") java.lang.String toString() {
+        return (("ToStringMoreInner(name=" + this.name) + ")");
+      }
+    }
+    ToStringMiddle() {
+      super();
+    }
+  }
+  final int x;
+  String name;
+  ToStringOuter() {
+    super();
+  }
+  public @java.lang.Override @java.lang.SuppressWarnings("all") java.lang.String toString() {
+    return (((("ToStringOuter(x=" + this.x) + ", name=") + this.name) + ")");
+  }
+}