1 file changed, 35 insertions, 0 deletions
diff --git a/tests/t0107-diff.sh b/tests/t0107-diff.sh
index e173d00..d03ecd2 100755
--- a/tests/t0107-diff.sh
+++ b/tests/t0107-diff.sh
@@ -104,4 +104,39 @@ test_expect_success 'stripping the highlight leaves every line intact' '
 	done <lines
 '
 
+# The diffstat links a renamed file by its new name, and so does the log of
+# that file, but the old name lies outside a diff limited to the new one.
+test_expect_success 'set up a renamed file' '
+	mkrepo repos/moved 1 &&
+	(
+		cd repos/moved &&
+		test_seq 1 10 >old.txt &&
+		git add old.txt &&
+		git commit -m "add old.txt" &&
+		git mv old.txt new.txt &&
+		git commit -m "rename old.txt"
+	) &&
+	cgitrc_repo movedrc moved
+'
+
+test_expect_success 'the diff of a renamed file shows the rename' '
+	cgit_rc movedrc "url=moved/diff/new.txt" >tmp &&
+	grep "diff --git a/old.txt b/new.txt" tmp &&
+	grep "</a> (renamed from old.txt)</td>" tmp &&
+	! grep "new file mode" tmp
+'
+
+test_expect_success 'so does the commit page limited to the new name' '
+	cgit_rc movedrc "url=moved/commit/new.txt" >tmp &&
+	grep "diff --git a/old.txt b/new.txt" tmp &&
+	! grep "new file mode" tmp
+'
+
+test_expect_success 'a file added outright still shows as new' '
+	added=$(git -C repos/moved rev-parse HEAD~1) &&
+	cgit_rc movedrc "url=moved/diff/old.txt&id=$added" >tmp &&
+	grep "new file mode 100644" tmp &&
+	grep "<div class=.add.>+10</div>" tmp
+'
+
 test_done