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

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

@@ -0,0 +1,32 @@
+@lombok.Data class DataIgnore {
+  final int x;
+  String $name;
+  public @java.beans.ConstructorProperties({"x"}) @java.lang.SuppressWarnings("all") DataIgnore(final int x) {
+    super();
+    this.x = x;
+  }
+  public @java.lang.SuppressWarnings("all") int getX() {
+    return this.x;
+  }
+  public @java.lang.Override @java.lang.SuppressWarnings("all") boolean equals(final java.lang.Object o) {
+    if ((o == this))
+        return true;
+    if ((o == null))
+        return false;
+    if ((o.getClass() != this.getClass()))
+        return false;
+    final DataIgnore other = (DataIgnore) o;
+    if ((this.getX() != other.getX()))
+        return false;
+    return true;
+  }
+  public @java.lang.Override @java.lang.SuppressWarnings("all") int hashCode() {
+    final int PRIME = 31;
+    int result = 1;
+    result = ((result * PRIME) + this.getX());
+    return result;
+  }
+  public @java.lang.Override @java.lang.SuppressWarnings("all") java.lang.String toString() {
+    return (("DataIgnore(x=" + this.getX()) + ")");
+  }
+}