From 11f6405a68db5c2b2e351265ece7ad548e441178 Mon Sep 17 00:00:00 2001
From: Marcus Holland-Moritz <github@mhxnet.de>
Date: Sat, 24 Aug 2024 00:05:16 +0200
Subject: [PATCH] test: add tests for dir_entry_view::parent()

---
 test/compat_test.cpp | 27 +++++++++++++++++++++++++++
 test/dwarfs_test.cpp | 19 +++++++++++++++++++
 2 files changed, 46 insertions(+)

diff --git a/test/compat_test.cpp b/test/compat_test.cpp
index 8aecf7e9c..daa759f40 100644
--- a/test/compat_test.cpp
+++ b/test/compat_test.cpp
@@ -1120,6 +1120,33 @@ void check_compat(logger& lgr, reader::filesystem_v2 const& fs,
     }
     EXPECT_EQ(expected, paths) << td;
   }
+
+  {
+    auto dev = fs.find("foo/1/2/3/4/5/6/7/8/9/j");
+    ASSERT_TRUE(dev);
+    EXPECT_EQ("j", dev->name());
+    EXPECT_FALSE(dev->is_root());
+    EXPECT_TRUE(dev->inode().is_regular_file());
+    dev = dev->parent();
+    EXPECT_EQ("9", dev->name());
+    EXPECT_EQ("foo/1/2/3/4/5/6/7/8/9", dev->unix_path());
+    EXPECT_FALSE(dev->is_root());
+    EXPECT_TRUE(dev->inode().is_directory());
+    dev = dev->parent()->parent()->parent();
+    EXPECT_EQ("6", dev->name());
+    EXPECT_FALSE(dev->is_root());
+    EXPECT_TRUE(dev->inode().is_directory());
+    dev = dev->parent()->parent()->parent()->parent()->parent()->parent();
+    EXPECT_EQ("foo", dev->name());
+    EXPECT_FALSE(dev->is_root());
+    EXPECT_TRUE(dev->inode().is_directory());
+    dev = dev->parent();
+    ASSERT_TRUE(dev);
+    EXPECT_EQ("", dev->name());
+    EXPECT_TRUE(dev->is_root());
+    EXPECT_TRUE(dev->inode().is_directory());
+    EXPECT_FALSE(dev->parent());
+  }
 }
 
 } // namespace
diff --git a/test/dwarfs_test.cpp b/test/dwarfs_test.cpp
index 67a1d98c4..6f4183cac 100644
--- a/test/dwarfs_test.cpp
+++ b/test/dwarfs_test.cpp
@@ -563,6 +563,25 @@ void basic_end_to_end_test(
       ASSERT_TRUE(info.count("root"));
     }
   }
+
+  {
+    auto dev = fs.find("somedir/ipsum.py");
+    ASSERT_TRUE(dev);
+    EXPECT_EQ("ipsum.py", dev->name());
+    EXPECT_EQ("somedir/ipsum.py", dev->unix_path());
+    EXPECT_FALSE(dev->is_root());
+    EXPECT_TRUE(dev->inode().is_regular_file());
+    dev = dev->parent();
+    EXPECT_EQ("somedir", dev->name());
+    EXPECT_FALSE(dev->is_root());
+    EXPECT_TRUE(dev->inode().is_directory());
+    dev = dev->parent();
+    ASSERT_TRUE(dev);
+    EXPECT_EQ("", dev->name());
+    EXPECT_TRUE(dev->is_root());
+    EXPECT_TRUE(dev->inode().is_directory());
+    EXPECT_FALSE(dev->parent());
+  }
 }
 
 std::vector<std::string> const compressions{