1 files changed, 44 insertions, 0 deletions
diff --git a/tests/lib/mocha-3.1.0/test/integration/diffs.spec.js b/tests/lib/mocha-3.1.0/test/integration/diffs.spec.js
new file mode 100644
index 0000000000..b779b84ada
--- /dev/null
+++ b/tests/lib/mocha-3.1.0/test/integration/diffs.spec.js
@@ -0,0 +1,44 @@
+var assert   = require('assert');
+var helpers  = require('./helpers');
+var run      = helpers.runMocha;
+var fs       = require('fs');
+var getDiffs = helpers.getDiffs;
+
+function getExpectedOutput() {
+  var output = fs.readFileSync('test/integration/fixtures/diffs/output', 'UTF8');
+
+  // Diffs are delimited in file by "// DIFF"
+  return output.split(/\s*\/\/ DIFF/).slice(1).map(function(diff) {
+    return diff.split('\n').filter(Boolean).join('\n');
+  });
+}
+
+describe('diffs', function() {
+  var diffs, expected;
+
+  before(function(done) {
+    run('diffs/diffs.fixture.js', ['-C'], function(err, res) {
+      expected = getExpectedOutput();
+      diffs = getDiffs(res.output);
+      done(err);
+    });
+  });
+
+  [
+    'should display a diff for small strings',
+    'should display a diff of canonicalized objects',
+    'should display a diff for medium strings',
+    'should display a diff for entire object dumps',
+    'should display a diff for multi-line strings',
+    'should display a diff for entire object dumps',
+    'should display a full-comparison with escaped special characters',
+    'should display a word diff for large strings',
+    'should work with objects',
+    'should show value diffs and not be affected by commas',
+    'should display diff by data and not like an objects'
+  ].forEach(function(title, i) {
+    it(title, function() {
+      assert.equal(diffs[i], expected[i]);
+    });
+  });
+});