1 files changed, 68 insertions, 0 deletions
diff --git a/devtools/shared/tests/unit/test_prettifyCSS.js b/devtools/shared/tests/unit/test_prettifyCSS.js
new file mode 100644
index 000000000..8415c9b83
--- /dev/null
+++ b/devtools/shared/tests/unit/test_prettifyCSS.js
@@ -0,0 +1,68 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Test prettifyCSS.
+
+"use strict";
+
+const {prettifyCSS} = require("devtools/shared/inspector/css-logic");
+
+const TESTS = [
+  { name: "simple test",
+    input: "div { font-family:'Arial Black', Arial, sans-serif; }",
+    expected: [
+      "div {",
+      "\tfont-family:'Arial Black', Arial, sans-serif;",
+      "}"
+    ]
+  },
+
+  { name: "whitespace before open brace",
+    input: "div{}",
+    expected: [
+      "div {",
+      "}"
+    ]
+  },
+
+  { name: "minified with trailing newline",
+    input: "\nbody{background:white;}div{font-size:4em;color:red}span{color:green;}\n",
+    expected: [
+      "body {",
+      "\tbackground:white;",
+      "}",
+      "div {",
+      "\tfont-size:4em;",
+      "\tcolor:red",
+      "}",
+      "span {",
+      "\tcolor:green;",
+      "}"
+    ]
+  },
+
+  { name: "leading whitespace",
+    input: "\n    div{color: red;}",
+    expected: [
+      "div {",
+      "\tcolor: red;",
+      "}"
+    ]
+  },
+];
+
+function run_test() {
+  // Note that prettifyCSS.LINE_SEPARATOR is computed lazily, so we
+  // ensure it is set.
+  prettifyCSS("");
+
+  for (let test of TESTS) {
+    do_print(test.name);
+
+    let input = test.input.split("\n").join(prettifyCSS.LINE_SEPARATOR);
+    let output = prettifyCSS(input);
+    let expected = test.expected.join(prettifyCSS.LINE_SEPARATOR) +
+        prettifyCSS.LINE_SEPARATOR;
+    equal(output, expected, test.name);
+  }
+}