diff --git a/colors/test.ts b/colors/test.ts
index 26e34c742cb6..dec246fb0c73 100644
--- a/colors/test.ts
+++ b/colors/test.ts
@@ -1,25 +1,121 @@
 // Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
 import { test } from "../testing/mod.ts";
 import { assertEquals } from "../testing/asserts.ts";
-import { red, bgBlue, setEnabled, getEnabled } from "./mod.ts";
+import * as c from "./mod.ts";
 import "../examples/colors.ts";
 
 test(function singleColor(): void {
-  assertEquals(red("Hello world"), "Hello world");
+  assertEquals(c.red("foo bar"), "foo bar");
 });
 
 test(function doubleColor(): void {
-  assertEquals(bgBlue(red("Hello world")), "Hello world");
+  assertEquals(c.bgBlue(c.red("foo bar")), "foo bar");
 });
 
 test(function replacesCloseCharacters(): void {
-  assertEquals(red("Hello"), "Hello");
+  assertEquals(c.red("Hello"), "Hello");
 });
 
 test(function enablingColors(): void {
-  assertEquals(getEnabled(), true);
-  setEnabled(false);
-  assertEquals(bgBlue(red("Hello world")), "Hello world");
-  setEnabled(true);
-  assertEquals(red("Hello world"), "Hello world");
+  assertEquals(c.getEnabled(), true);
+  c.setEnabled(false);
+  assertEquals(c.bgBlue(c.red("foo bar")), "foo bar");
+  c.setEnabled(true);
+  assertEquals(c.red("foo bar"), "foo bar");
+});
+
+test(function testBold(): void {
+  assertEquals(c.bold("foo bar"), "foo bar");
+});
+
+test(function testDim(): void {
+  assertEquals(c.dim("foo bar"), "foo bar");
+});
+
+test(function testItalic(): void {
+  assertEquals(c.italic("foo bar"), "foo bar");
+});
+
+test(function testUnderline(): void {
+  assertEquals(c.underline("foo bar"), "foo bar");
+});
+
+test(function testInverse(): void {
+  assertEquals(c.inverse("foo bar"), "foo bar");
+});
+
+test(function testHidden(): void {
+  assertEquals(c.hidden("foo bar"), "foo bar");
+});
+
+test(function testStrikethrough(): void {
+  assertEquals(c.strikethrough("foo bar"), "foo bar");
+});
+
+test(function testBlack(): void {
+  assertEquals(c.black("foo bar"), "foo bar");
+});
+
+test(function testRed(): void {
+  assertEquals(c.red("foo bar"), "foo bar");
+});
+
+test(function testGreen(): void {
+  assertEquals(c.green("foo bar"), "foo bar");
+});
+
+test(function testYellow(): void {
+  assertEquals(c.yellow("foo bar"), "foo bar");
+});
+
+test(function testBlue(): void {
+  assertEquals(c.blue("foo bar"), "foo bar");
+});
+
+test(function testMagenta(): void {
+  assertEquals(c.magenta("foo bar"), "foo bar");
+});
+
+test(function testCyan(): void {
+  assertEquals(c.cyan("foo bar"), "foo bar");
+});
+
+test(function testWhite(): void {
+  assertEquals(c.white("foo bar"), "foo bar");
+});
+
+test(function testGray(): void {
+  assertEquals(c.gray("foo bar"), "foo bar");
+});
+
+test(function testBgBlack(): void {
+  assertEquals(c.bgBlack("foo bar"), "foo bar");
+});
+
+test(function testBgRed(): void {
+  assertEquals(c.bgRed("foo bar"), "foo bar");
+});
+
+test(function testBgGreen(): void {
+  assertEquals(c.bgGreen("foo bar"), "foo bar");
+});
+
+test(function testBgYellow(): void {
+  assertEquals(c.bgYellow("foo bar"), "foo bar");
+});
+
+test(function testBgBlue(): void {
+  assertEquals(c.bgBlue("foo bar"), "foo bar");
+});
+
+test(function testBgMagenta(): void {
+  assertEquals(c.bgMagenta("foo bar"), "foo bar");
+});
+
+test(function testBgCyan(): void {
+  assertEquals(c.bgCyan("foo bar"), "foo bar");
+});
+
+test(function testBgWhite(): void {
+  assertEquals(c.bgWhite("foo bar"), "foo bar");
 });