added detectStrictMode-module

1 files changed, 13 insertions, 0 deletions

diff --git a/test/detectStrictMode.test.js b/test/detectStrictMode.test.js
new file mode 100644
index 0000000..a154471
--- /dev/null
+++ b/test/detectStrictMode.test.js
@@ -0,0 +1,13 @@
+var expect = require("expect.js"),

+    detectStrictMode = require("../lib/detectStrictMode.js");

+

+describe("detectStrictMode", function () {

+    it("should detect \"use strict\"; at the beginning of a string and ignore all whitespace before", function () {

+        expect(detectStrictMode('"use strict";')).to.be(true);

+        expect(detectStrictMode('      "use strict";')).to.be(true);

+        expect(detectStrictMode('  \n "use strict";')).to.be(true);

+    });

+    it("should not detect \"use strict\"; if it occurs in some nested function", function () {

+        expect(detectStrictMode('function () {"use strict";}')).to.be(false);

+    });

+});
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