Merge pull request #905 from avdg/unit-tests

Add unit tests

3 files changed, 66 insertions, 0 deletions

diff --git a/test/mocha.js b/test/mocha.js
new file mode 100644
index 00000000..411f52c5
--- /dev/null
+++ b/test/mocha.js
@@ -0,0 +1,29 @@
+var Mocha = require('mocha'),
+    fs = require('fs'),
+    path = require('path');
+
+// Instantiate a Mocha instance.
+var mocha = new Mocha({});
+
+var testDir = __dirname + '/mocha/';
+
+// Add each .js file to the mocha instance
+fs.readdirSync(testDir).filter(function(file){
+    // Only keep the .js files
+    return file.substr(-3) === '.js';
+
+}).forEach(function(file){
+    mocha.addFile(
+        path.join(testDir, file)
+    );
+});
+
+module.exports = function() {
+    mocha.run(function(failures) {
+        if (failures !== 0) {
+            process.on('exit', function () {
+                process.exit(failures);
+            });
+        }
+    });
+};
\ No newline at end of file
diff --git a/test/mocha/string-literal.js b/test/mocha/string-literal.js
new file mode 100644
index 00000000..84aaad7e
--- /dev/null
+++ b/test/mocha/string-literal.js
@@ -0,0 +1,34 @@
+var UglifyJS = require('../../');
+var assert = require("assert");
+
+describe("String literals", function() {
+    it("Should throw syntax error if a string literal contains a newline", function() {
+        var inputs = [
+            "'\n'",
+            "'\r'",
+            '"\r\n"',
+            "'\u2028'",
+            '"\u2029"'
+        ];
+
+        var test = function(input) {
+            return function() {
+                var ast = UglifyJS.parse(input);
+            };
+        };
+
+        var error = function(e) {
+            return e instanceof UglifyJS.JS_Parse_Error &&
+                e.message === "Unterminated string constant";
+        };
+
+        for (var input in inputs) {
+            assert.throws(test(inputs[input]), error);
+        }
+    });
+
+    it("Should not throw syntax error if a string has a line continuation", function() {
+        var output = UglifyJS.parse('var a = "a\\\nb";').print_to_string();
+        assert.equal(output, 'var a="ab";');
+    });
+});
\ No newline at end of file
diff --git a/test/run-tests.js b/test/run-tests.js
index 3ec04fda..b9a0f825 100755
--- a/test/run-tests.js
+++ b/test/run-tests.js
@@ -16,6 +16,9 @@ if (failures) {
     process.exit(1);
 }
 
+var mocha_tests = require("./mocha.js");
+mocha_tests();
+
 var run_sourcemaps_tests = require('./sourcemaps');
 run_sourcemaps_tests();