diff --git a/test/e2e/test-capture-time.js b/test/e2e/test-capture-time.js
new file mode 100644
index 00000000..9ceddfa0
--- /dev/null
+++ b/test/e2e/test-capture-time.js
@@ -0,0 +1,98 @@
+/**
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+'use strict';
+
+var assert = require('assert');
+var request = require('request');
+var logger = require('@google/cloud-diagnostics-common').logger;
+var config = require('../../config.js');
+var semver = require('semver');
+var Debuglet = require('../../lib/debuglet.js');
+
+var DEBUGGEE_ID = 'bar';
+var API = 'https://clouddebugger.googleapis.com';
+var REGISTER_PATH = '/v2/controller/debuggees/register';
+var BPS_PATH = '/v2/controller/debuggees/' + DEBUGGEE_ID + '/breakpoints';
+
+var nock = require('nock');
+nock.disableNetConnect();
+
+var debuglet;
+
+describe(__filename, function(){
+  beforeEach(function() {
+    process.env.GCLOUD_PROJECT_NUM = 0;
+    debuglet = new Debuglet(
+      config, logger.create(config.logLevel, '@google/cloud-debug'));
+    debuglet.once('started', function() {
+      debuglet.debugletApi_.request_ = request; // Avoid authing.
+    });
+  });
+
+  afterEach(function() {
+    debuglet.stop();
+  });
+
+  it('should capture breakpoint quickly', function(done) {
+    var h = require('../fixtures/expensive-capture.js');
+    var hitMillis;
+    var reportedMillis;
+    var expensiveBp = {
+      id: 'test',
+      location: { path: 'fixtures/expensive-capture.js', line: 7},
+      condition: 'n===7',
+      expressions: ['a', 'process']
+    };
+
+    var scope = nock(API)
+      .post(REGISTER_PATH)
+      .reply(200, {
+        debuggee: {
+          id: DEBUGGEE_ID
+        }
+      })
+      .get(BPS_PATH)
+      .reply(200, {
+        breakpoints: [expensiveBp]
+      })
+      .put(BPS_PATH + '/test', function(body) {
+        reportedMillis = Date.now();
+        return body.breakpoint.isFinalState && !body.breakpoint.status;
+      })
+      .reply(200);
+
+    debuglet.once('registered', function(id) {
+      assert(id === DEBUGGEE_ID);
+      setTimeout(function() {
+        hitMillis = Date.now();
+        h.rec(7);
+        setTimeout(function() {
+          // See slowdown in state.js#resolveMirror_
+          if (semver.satisfies(process.version, '<1.6')) {
+            assert(reportedMillis - hitMillis < 110);
+          } else {
+            assert(reportedMillis - hitMillis < 20);
+          }
+          scope.done();
+          done();
+        }, 10);
+      }, 500);
+    });
+
+    debuglet.start();
+  });
+});
+
diff --git a/test/fixtures/expensive-capture.js b/test/fixtures/expensive-capture.js
new file mode 100644
index 00000000..f10e488b
--- /dev/null
+++ b/test/fixtures/expensive-capture.js
@@ -0,0 +1,9 @@
+'use strict';
+var a = new Array(50).map(function() { return ','; });
+module.exports.rec = function rec(n) {
+  if (n === 0) {
+    return 5;
+  } else {
+    return rec(n - 1);
+  }
+};