Add test subdirectory

test/fixture/example.js

@@ -0,0 +1,7 @@
+exports.unnamed = function(text) {
+  throw new Error(text);
+};
+
+exports.named = function named(text) {
+  throw new Error(text);
+};

test/test.js

@@ -0,0 +1,65 @@
+var assert = require('assert');
+
+var fixture = require('./fixture/example');
+
+var unnamed = fixture.unnamed,
+    named = fixture.named;
+
+
+var trace = require('../trace').trace;
+
+var expected = 'random_'+~~(Math.random()*100)
+
+var local_unnamed = function(text) {
+  throw new Error(text);
+};
+
+try {
+  local_unnamed(expected);
+} catch(err) {
+  var traced = trace(err);
+  assert.equal(traced.frames.length, err.stack.split('\n').length - 1);
+  assert.equal(traced.frames[0].named_location, '<anonymous>');
+
+  assert.equal(traced.first_line, err.stack.split('\n')[0]);
+  assert.strictEqual(traced.original_error, err);
+
+  var lines = err.stack.split('\n').slice(1);
+  for(var i = 0, len = lines.length; i < len; ++i) {
+    assert.notStrictEqual(lines[i].indexOf(traced.frames[i].line + ':' + traced.frames[i].character), -1);
+    assert.notStrictEqual(lines[i].indexOf(traced.frames[i].filename), -1);
+  }
+}
+
+try {
+  unnamed(expected);
+} catch(err) {
+  var traced = trace(err);
+  assert.equal(traced.frames.length, err.stack.split('\n').length - 1);
+
+  assert.equal(traced.first_line, err.stack.split('\n')[0]);
+  assert.strictEqual(traced.original_error, err);
+
+  var lines = err.stack.split('\n').slice(1);
+  for(var i = 0, len = lines.length; i < len; ++i) {
+    assert.notStrictEqual(lines[i].indexOf(traced.frames[i].line + ':' + traced.frames[i].character), -1);
+    assert.notStrictEqual(lines[i].indexOf(traced.frames[i].filename), -1);
+  }
+}
+
+try {
+  named(expected);
+} catch(err) {
+  var traced = trace(err);
+  assert.equal(traced.frames.length, err.stack.split('\n').length - 1);
+
+  assert.equal(traced.first_line, err.stack.split('\n')[0]);
+  assert.strictEqual(traced.original_error, err);
+
+  var lines = err.stack.split('\n').slice(1);
+  for(var i = 0, len = lines.length; i < len; ++i) {
+    assert.notStrictEqual(lines[i].indexOf(traced.frames[i].line + ':' + traced.frames[i].character), -1);
+    assert.notStrictEqual(lines[i].indexOf(traced.frames[i].filename), -1);
+  }
+}
+