Add test case for sed on empty file (#904)

As discussed as an aside in #900, add test case with an empty file.
shelljs · Nov 13, 2018 · db317bf · db317bf
1 parent 0d5ecb6
commit db317bf
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diff --git a/test/resources/sed/empty.txt b/test/resources/sed/empty.txt
diff --git a/test/sed.js b/test/sed.js
@@ -174,3 +174,9 @@ test('glob file names, with in-place-replacement', t => {
   t.is(shell.cat(`${t.context.tmp}/file1.txt`).toString(), 'hello1\n');
   t.is(shell.cat(`${t.context.tmp}/file2.txt`).toString(), 'hello2\n');
 });
+
+test('empty file', t => {
+  const result = shell.sed('widget', 'wizzle', 'test/resources/sed/empty.txt');
+  t.is(result.code, 0);
+  t.is(result.toString(), '');
+});