Added EOL detect / format (denoland/deno_std#289)

Original: https://github.com/denoland/deno_std/commit/1d53fb4d794ac69dc1069ed99a5b531f7e490a83

1 files changed, 32 insertions, 0 deletions

diff --git a/fs/eol_test.ts b/fs/eol_test.ts
new file mode 100644
index 000000000..eafdb697e
--- /dev/null
+++ b/fs/eol_test.ts
@@ -0,0 +1,32 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+import { test } from "../testing/mod.ts";
+import { assertEquals } from "../testing/asserts.ts";
+import { format, detect, EOL } from "./eol.ts";
+
+const CRLFinput = "deno\r\nis not\r\nnode";
+const Mixedinput = "deno\nis not\r\nnode";
+const Mixedinput2 = "deno\r\nis not\nnode";
+const LFinput = "deno\nis not\nnode";
+const NoNLinput = "deno is not node";
+
+test(function detectCRLF() {
+  assertEquals(detect(CRLFinput), EOL.CRLF);
+});
+test(function detectLF() {
+  assertEquals(detect(LFinput), EOL.LF);
+});
+test(function detectNoNewLine() {
+  assertEquals(detect(NoNLinput), null);
+});
+test(function testFormat() {
+  assertEquals(format(CRLFinput, EOL.LF), LFinput);
+  assertEquals(format(LFinput, EOL.LF), LFinput);
+  assertEquals(format(LFinput, EOL.CRLF), CRLFinput);
+  assertEquals(format(CRLFinput, EOL.CRLF), CRLFinput);
+  assertEquals(format(CRLFinput, EOL.CRLF), CRLFinput);
+  assertEquals(format(NoNLinput, EOL.CRLF), NoNLinput);
+  assertEquals(format(Mixedinput, EOL.CRLF), CRLFinput);
+  assertEquals(format(Mixedinput, EOL.LF), LFinput);
+  assertEquals(format(Mixedinput2, EOL.CRLF), CRLFinput);
+  assertEquals(format(Mixedinput2, EOL.LF), LFinput);
+});