hotspot2: anqp: OsuProviderInfo: friendly name and service description selection

An OSU provider might contain multiple friendly names and
service descriptions in different languages.  In this case,
the value that's in the default language will be preferred.

Bug: 62235301
Test: frameworks/opt/net/wifi/tests/wifitests/runtests.sh
Change-Id: Ie6065a494e6a5c9aa1cc05621ab9627628efb446

1 files changed, 124 insertions, 0 deletions

diff --git a/tests/wifitests/src/com/android/server/wifi/hotspot2/anqp/OsuProviderInfoTest.java b/tests/wifitests/src/com/android/server/wifi/hotspot2/anqp/OsuProviderInfoTest.java
index e20d6d53e..8ef93f061 100644
--- a/tests/wifitests/src/com/android/server/wifi/hotspot2/anqp/OsuProviderInfoTest.java
+++ b/tests/wifitests/src/com/android/server/wifi/hotspot2/anqp/OsuProviderInfoTest.java
@@ -25,6 +25,9 @@ import org.junit.Test;
 import java.net.ProtocolException;
 import java.nio.BufferUnderflowException;
 import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
 
 /**
  * Unit tests for {@link com.android.server.wifi.hotspot2.anqp.OsuProviderInfo}.
@@ -80,4 +83,125 @@ public class OsuProviderInfoTest {
         assertEquals(OsuProviderInfoTestUtil.TEST_OSU_PROVIDER_INFO,
                 OsuProviderInfo.parse(buffer));
     }
+
+    /**
+     * Verify that when a provider contained multiple friendly names in different languages, the
+     * friendly name that's in default language is returned.
+     *
+     * @throws Exception
+     */
+    @Test
+    public void getFriendlyNameMatchingDefaultLocale() throws Exception {
+        List<I18Name> friendlyNames = new ArrayList<>();
+        Locale defaultLocale = Locale.getDefault();
+        Locale nonDefaultLocale = Locale.FRENCH;
+        if (defaultLocale.equals(nonDefaultLocale)) {
+            nonDefaultLocale = Locale.ENGLISH;
+        }
+        String nonDefaultString = "Non-default";
+        String defaultString = "Default";
+        friendlyNames.add(
+                new I18Name(nonDefaultLocale.getLanguage(), nonDefaultLocale, nonDefaultString));
+        friendlyNames.add(new I18Name(defaultLocale.getLanguage(), defaultLocale, defaultString));
+        OsuProviderInfo providerInfo =
+                new OsuProviderInfo(friendlyNames, null, null, null, null, null);
+        assertEquals(defaultString, providerInfo.getFriendlyName());
+    }
+
+    /**
+     * Verify that when a provider contained multiple friendly names where no friendly name
+     * is in default language, the first name in the list is returned.
+     *
+     * @throws Exception
+     */
+    @Test
+    public void getFriendlyNameNotMatchingDefaultLocale() throws Exception {
+        List<I18Name> friendlyNames = new ArrayList<>();
+        Locale nonDefaultLocale = Locale.FRENCH;
+        if (nonDefaultLocale.equals(Locale.getDefault())) {
+            nonDefaultLocale = Locale.ENGLISH;
+        }
+        String firstString = "First name";
+        String secondString = "Second name";
+        friendlyNames.add(
+                new I18Name(nonDefaultLocale.getLanguage(), nonDefaultLocale, firstString));
+        friendlyNames.add(
+                new I18Name(nonDefaultLocale.getLanguage(), nonDefaultLocale, secondString));
+        OsuProviderInfo providerInfo =
+                new OsuProviderInfo(friendlyNames, null, null, null, null, null);
+        assertEquals(firstString, providerInfo.getFriendlyName());
+    }
+
+    /**
+     * Verify that null will be returned for a provider containing empty friendly name list.
+     *
+     * @throws Exception
+     */
+    @Test
+    public void getFriendlyNameWithEmptyList() throws Exception {
+        OsuProviderInfo providerInfo =
+                new OsuProviderInfo(new ArrayList<I18Name>(), null, null, null, null, null);
+        assertEquals(null, providerInfo.getFriendlyName());
+    }
+
+    /**
+     * Verify that when a provider contained multiple service descriptions in different languages,
+     * the service description that's in default language is returned.
+     *
+     * @throws Exception
+     */
+    @Test
+    public void getServiceDescriptionMatchingDefaultLocale() throws Exception {
+        List<I18Name> serviceDescriptions = new ArrayList<>();
+        Locale defaultLocale = Locale.getDefault();
+        Locale nonDefaultLocale = Locale.FRENCH;
+        if (defaultLocale.equals(nonDefaultLocale)) {
+            nonDefaultLocale = Locale.ENGLISH;
+        }
+        String nonDefaultString = "Non-default";
+        String defaultString = "Default";
+        serviceDescriptions.add(
+                new I18Name(nonDefaultLocale.getLanguage(), nonDefaultLocale, nonDefaultString));
+        serviceDescriptions.add(
+                new I18Name(defaultLocale.getLanguage(), defaultLocale, defaultString));
+        OsuProviderInfo providerInfo =
+                new OsuProviderInfo(null, null, null, null, null, serviceDescriptions);
+        assertEquals(defaultString, providerInfo.getServiceDescription());
+    }
+
+    /**
+     * Verify that when a provider contained multiple service descriptions where none of them
+     * is in default language, the first element in the list is returned.
+     *
+     * @throws Exception
+     */
+    @Test
+    public void getServiceDescriptionNotMatchingDefaultLocale() throws Exception {
+        List<I18Name> serviceDescriptions = new ArrayList<>();
+        Locale nonDefaultLocale = Locale.FRENCH;
+        if (nonDefaultLocale.equals(Locale.getDefault())) {
+            nonDefaultLocale = Locale.ENGLISH;
+        }
+        String firstString = "First name";
+        String secondString = "Second name";
+        serviceDescriptions.add(
+                new I18Name(nonDefaultLocale.getLanguage(), nonDefaultLocale, firstString));
+        serviceDescriptions.add(
+                new I18Name(nonDefaultLocale.getLanguage(), nonDefaultLocale, secondString));
+        OsuProviderInfo providerInfo =
+                new OsuProviderInfo(null, null, null, null, null, serviceDescriptions);
+        assertEquals(firstString, providerInfo.getServiceDescription());
+    }
+
+    /**
+     * Verify that null will be returned for a provider containing empty friendly name list.
+     *
+     * @throws Exception
+     */
+    @Test
+    public void getServiceDescriptionWithEmptyList() throws Exception {
+        OsuProviderInfo providerInfo =
+                new OsuProviderInfo(null, null, null, null, null, new ArrayList<I18Name>());
+        assertEquals(null, providerInfo.getServiceDescription());
+    }
 }