From 20ac878202202a8f7271f367c961b99319deabdc Mon Sep 17 00:00:00 2001
From: volodya-lombrozo <volodya.lombrozo@gmail.com>
Date: Sat, 31 Aug 2024 09:49:52 +0300
Subject: [PATCH] feat(#432): prove that opeo keeps packages

---
 .../opeo/decompilation/WithoutAliasesTest.java  | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/test/java/org/eolang/opeo/decompilation/WithoutAliasesTest.java b/src/test/java/org/eolang/opeo/decompilation/WithoutAliasesTest.java
index 19f1f637..cbc81287 100644
--- a/src/test/java/org/eolang/opeo/decompilation/WithoutAliasesTest.java
+++ b/src/test/java/org/eolang/opeo/decompilation/WithoutAliasesTest.java
@@ -49,6 +49,15 @@ void removesAllAliases() {
         );
     }
 
+    @Test
+    void keepsPackage() {
+        MatcherAssert.assertThat(
+            "We expect that package is kept, even if the program doesn't have labels or opcodes",
+            new WithoutAliases(WithoutAliasesTest.program()).toXml(),
+            XhtmlMatchers.hasXPath("/program/metas/meta[head='package']")
+        );
+    }
+
     @Test
     void removesOnlyLabelAlias() {
         MatcherAssert.assertThat(
@@ -117,6 +126,14 @@ private static XML program(final Directives... objects) {
                 new Directives()
                     .add("program")
                     .add("metas")
+                    .append(
+                        new Directives()
+                            .add("meta")
+                            .add("head").set("package").up()
+                            .add("tail").set("org.eolang.opeo").up()
+                            .add("part").set("org.eolang.opeo").up()
+                            .up()
+                    )
                     .append(WithoutAliasesTest.alias("org.eolang.jeo.label"))
                     .append(WithoutAliasesTest.alias("org.eolang.jeo.opcode"))
                     .up()