From 7057ce21830a4b8a6d31d0bef57a6efd44303354 Mon Sep 17 00:00:00 2001
From: Ilya Grigoriev <ilyagr@users.noreply.github.com>
Date: Sat, 14 Jan 2023 21:59:31 -0800
Subject: [PATCH] Test that `jj abandon root`, specifying same revision twice

---
 tests/test_abandon_command.rs | 45 +++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/tests/test_abandon_command.rs b/tests/test_abandon_command.rs
index 1a2829af1..a66a567f3 100644
--- a/tests/test_abandon_command.rs
+++ b/tests/test_abandon_command.rs
@@ -108,6 +108,51 @@ fn test_rebase_branch_with_merge() {
     o a e??
     o c d e??
     "###);
+
+    // Test abandoning the same commit twice directly
+    test_env.jj_cmd_success(&repo_path, &["undo"]);
+    let stdout = test_env.jj_cmd_success(&repo_path, &["abandon", "b", "b"]);
+    // Note that the same commit is listed twice
+    insta::assert_snapshot!(stdout, @r###"
+    Abandoned the following commits:
+      1394f625cbbd b
+      1394f625cbbd b
+    "###);
+    insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
+    @   e
+    |\  
+    o | d
+    o | c
+    | o a b
+    |/  
+    o 
+    "###);
+
+    // Test abandoning the same commit twice indirectly
+    test_env.jj_cmd_success(&repo_path, &["undo"]);
+    let stdout = test_env.jj_cmd_success(&repo_path, &["abandon", "d:", "a:"]);
+    // Note that the same commit is listed twice
+    insta::assert_snapshot!(stdout, @r###"
+    Abandoned the following commits:
+      5557ece3e631 e
+      b7c62f28ed10 d
+      5557ece3e631 e
+      1394f625cbbd b
+      2443ea76b0b1 a
+    Working copy now at: af874bffee6e (no description set)
+    Added 0 files, modified 0 files, removed 4 files
+    "###);
+    insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
+    @ 
+    | o c d e??
+    |/  
+    o a b e??
+    "###);
+
+    let stderr = test_env.jj_cmd_failure(&repo_path, &["abandon", "root"]);
+    insta::assert_snapshot!(stderr, @r###"
+    Error: Cannot rewrite the root commit
+    "###);
 }
 
 fn get_log_output(test_env: &TestEnvironment, repo_path: &Path) -> String {