colors: add test cases (denoland/deno_std#120)

Original: https://github.com/denoland/deno_std/commit/388bc47ea7569b97c1a729343970c3cdb376c668

1 files changed, 15 insertions, 1 deletions

diff --git a/colors/test.ts b/colors/test.ts
index 1acc30072..266868090 100644
--- a/colors/test.ts
+++ b/colors/test.ts
@@ -7,5 +7,19 @@ test(function singleColor() {
 });
 
 test(function doubleColor() {
-  assertEqual(color.red.bgBlue("Hello world"), "Hello world");
+  assertEqual(color.red.bgBlue("Hello world"),
+    "Hello world");
+});
+
+test(function newLinesContinueColors() {
+  assertEqual(color.red("Hello\nworld"),
+    "Hello\nworld");
+  assertEqual(color.red("Hello\r\nworld"),
+    "Hello\r\nworld");
+  assertEqual(color.red("Hello\n\nworld"),
+    "Hello\n\nworld");
+});
+
+test(function replacesCloseCharacters() {
+  assertEqual(color.red("Hello"), "Hello");
 });