add test case with mixed EOL

Author: bsponge

txtar/archive_test.go

@@ -73,6 +73,39 @@ some content
 				UseCRLF: true,
 			},
 		},
+		{
+			name: "mixed",
+			text: "comment1\n" +
+				"comment2\r\n" +
+				"-- file1 --\r\n" +
+				"File 1 text.\n" +
+				"-- foo ---\r\n" +
+				"More file 1 text.\r\n" +
+				"-- file 2 --\r\n" +
+				"File 2 text.\r\n" +
+				"-- file 3 --\r\n" +
+				"File 3 text.\r\n" +
+				"-- foo ---\r\n" +
+				"More file 3 text.\r\n" +
+				"-- empty --\r\n" +
+				"-- noNL --\r\n" +
+				"hello world\r\n" +
+				"-- empty filename line --\r\n" +
+				"some content\n" +
+				"-- --\n",
+			parsed: &Archive{
+				Comment: []byte("comment1\ncomment2\r\n"),
+				Files: []File{
+					{"file1", []byte("File 1 text.\n-- foo ---\r\nMore file 1 text.\r\n")},
+					{"file 2", []byte("File 2 text.\r\n")},
+					{"file 3", []byte("File 3 text.\r\n-- foo ---\r\nMore file 3 text.\r\n")},
+					{"empty", []byte{}},
+					{"noNL", []byte("hello world\r\n")},
+					{"empty filename line", []byte("some content\n-- --\n\r\n")},
+				},
+				UseCRLF: true,
+			},
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
@@ -144,6 +177,39 @@ hello world
 				"-- noNL --\r\n" +
 				"hello world\r\n",
 		},
+		{
+			name: "mixed",
+			input: &Archive{
+				Comment: []byte("comment1\ncomment2\r\n"),
+				Files: []File{
+					{"file1", []byte("File 1 text.\n-- foo ---\r\nMore file 1 text.\r\n")},
+					{"file 2", []byte("File 2 text.\r\n")},
+					{"file 3", []byte("File 3 text.\r\n-- foo ---\r\nMore file 3 text.\r\n")},
+					{"empty", []byte{}},
+					{"noNL", []byte("hello world\r\n")},
+					{"empty filename line", []byte("some content\r\n-- --\n")},
+				},
+				UseCRLF: true,
+			},
+			wanted: "comment1\n" +
+				"comment2\r\n" +
+				"-- file1 --\r\n" +
+				"File 1 text.\n" +
+				"-- foo ---\r\n" +
+				"More file 1 text.\r\n" +
+				"-- file 2 --\r\n" +
+				"File 2 text.\r\n" +
+				"-- file 3 --\r\n" +
+				"File 3 text.\r\n" +
+				"-- foo ---\r\n" +
+				"More file 3 text.\r\n" +
+				"-- empty --\r\n" +
+				"-- noNL --\r\n" +
+				"hello world\r\n" +
+				"-- empty filename line --\r\n" +
+				"some content\r\n" +
+				"-- --\n\r\n",
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {