[Cronet] Public key pinning for Java API

components/cronet/android/test/javatests/src/org/chromium/net/CronetUtilTest.java

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+package org.chromium.net;
+
+import android.test.suitebuilder.annotation.SmallTest;
+
+import org.chromium.base.test.util.Feature;
+
+/**
+ * Tests CronetUtil class.
+ */
+public class CronetUtilTest extends CronetTestBase {
+    @SmallTest
+    @Feature({"Cronet"})
+    public void testHostNameValidation() throws Exception {
+        // Valid host names.
+        assertValidHostName("domain.com");
+        assertValidHostName("section4.domain.info");
+        assertValidHostName("44.domain44.info");
+        assertValidHostName("very.long.long.long.long.long.long.long.domain.com");
+        assertValidHostName("host");
+        // Invalid host names.
+        assertInvalidHostName("domain.com:300");
+        assertInvalidHostName("http://domain.com");
+        assertInvalidHostName("domain.com:");
+        assertInvalidHostName("domain.com/");
+    }
+
+    @SmallTest
+    @Feature({"Cronet"})
+    public void testIPv4Validation() throws Exception {
+        // Valid IPv4 addresses.
+        assertValidIPv4("127.0.0.1");
+        assertValidIPv4("1.0.0.10");
+        // Invalid IPv4 addresses.
+        assertInvalidIPv4("256.0.0.1");
+        assertInvalidIPv4("127.0.0");
+        assertInvalidIPv4("127.0.0.a");
+        assertInvalidIPv4("127.0.0.1:80");
+        assertInvalidIPv4("127.0.0.1:80/");
+        assertInvalidIPv4("http://127.0.0.1:80");
+    }
+
+    private void assertValidHostName(String hostName) {
+        boolean valid = CronetUtil.isValidHostName(hostName);
+        assertTrue(hostName + " should be a valid host name", valid);
+    }
+
+    private void assertInvalidHostName(String hostName) {
+        boolean valid = CronetUtil.isValidHostName(hostName);
+        assertFalse(hostName + " should be an invalid host name", valid);
+    }
+
+    private void assertValidIPv4(String addr) {
+        boolean valid = CronetUtil.isValidIPv4(addr);
+        assertTrue(addr + " should be a valid IPv4 address", valid);
+    }
+
+    private void assertInvalidIPv4(String addr) {
+        boolean valid = CronetUtil.isValidIPv4(addr);
+        assertFalse(addr + " should be an invalid IPv4 address", valid);
+    }
+}