From 0bba7656740ba987fff7ed392bf3d69f051cd904 Mon Sep 17 00:00:00 2001
From: Billy Keyes <commits@billykeyes.dev>
Date: Tue, 4 Mar 2025 20:12:39 -0800
Subject: [PATCH] Add a test for removing the last newline in a file

This worked, but completes the test coverage in combination with the
test that adds a final newline and one that leaves the missing newline
in place.
---
 gitdiff/apply_test.go                                  |  1 +
 .../testdata/apply/text_fragment_change_end_eol.out    |  3 +++
 .../testdata/apply/text_fragment_change_end_eol.patch  | 10 ++++++++++
 .../testdata/apply/text_fragment_change_end_eol.src    |  3 +++
 4 files changed, 17 insertions(+)
 create mode 100644 gitdiff/testdata/apply/text_fragment_change_end_eol.out
 create mode 100644 gitdiff/testdata/apply/text_fragment_change_end_eol.patch
 create mode 100644 gitdiff/testdata/apply/text_fragment_change_end_eol.src

diff --git a/gitdiff/apply_test.go b/gitdiff/apply_test.go
index dd076bb..f19153b 100644
--- a/gitdiff/apply_test.go
+++ b/gitdiff/apply_test.go
@@ -22,6 +22,7 @@ func TestApplyTextFragment(t *testing.T) {
 		"changeStart":       {Files: getApplyFiles("text_fragment_change_start")},
 		"changeMiddle":      {Files: getApplyFiles("text_fragment_change_middle")},
 		"changeEnd":         {Files: getApplyFiles("text_fragment_change_end")},
+		"changeEndEOL":      {Files: getApplyFiles("text_fragment_change_end_eol")},
 		"changeExact":       {Files: getApplyFiles("text_fragment_change_exact")},
 		"changeSingleNoEOL": {Files: getApplyFiles("text_fragment_change_single_noeol")},
 
diff --git a/gitdiff/testdata/apply/text_fragment_change_end_eol.out b/gitdiff/testdata/apply/text_fragment_change_end_eol.out
new file mode 100644
index 0000000..8cf2f17
--- /dev/null
+++ b/gitdiff/testdata/apply/text_fragment_change_end_eol.out
@@ -0,0 +1,3 @@
+line 1
+line 2
+line 3
\ No newline at end of file
diff --git a/gitdiff/testdata/apply/text_fragment_change_end_eol.patch b/gitdiff/testdata/apply/text_fragment_change_end_eol.patch
new file mode 100644
index 0000000..f1c9477
--- /dev/null
+++ b/gitdiff/testdata/apply/text_fragment_change_end_eol.patch
@@ -0,0 +1,10 @@
+diff --git a/gitdiff/testdata/apply/text_fragment_remove_last_eol.src b/gitdiff/testdata/apply/text_fragment_remove_last_eol.src
+index a92d664..8cf2f17 100644
+--- a/gitdiff/testdata/apply/text_fragment_remove_last_eol.src
++++ b/gitdiff/testdata/apply/text_fragment_remove_last_eol.src
+@@ -1,3 +1,3 @@
+ line 1
+ line 2
+-line 3
++line 3
+\ No newline at end of file
diff --git a/gitdiff/testdata/apply/text_fragment_change_end_eol.src b/gitdiff/testdata/apply/text_fragment_change_end_eol.src
new file mode 100644
index 0000000..a92d664
--- /dev/null
+++ b/gitdiff/testdata/apply/text_fragment_change_end_eol.src
@@ -0,0 +1,3 @@
+line 1
+line 2
+line 3