Add perf test for SystemFonts.getAvailableFonts
Bug: 188201287
Test: atest SystemFontsPerfTest
Change-Id: Id08a53e980a012a682e95e7b41d363aae31c1232
diff --git a/apct-tests/perftests/core/src/android/text/SystemFontsPerfTest.java b/apct-tests/perftests/core/src/android/text/SystemFontsPerfTest.java
new file mode 100644
index 0000000..5d744cd
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/text/SystemFontsPerfTest.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package android.text;
+
+import android.graphics.fonts.SystemFonts;
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+
+import androidx.test.filters.LargeTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+
+@LargeTest
+@RunWith(AndroidJUnit4.class)
+public class SystemFontsPerfTest {
+ @Rule
+ public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+ @Test
+ public void getAvailableFonts() {
+ final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+ while (state.keepRunning()) {
+ state.pauseTiming();
+ SystemFonts.resetAvailableFonts();
+ System.gc();
+ state.resumeTiming();
+
+ SystemFonts.getAvailableFonts();
+ }
+ }
+}
diff --git a/graphics/java/android/graphics/fonts/SystemFonts.java b/graphics/java/android/graphics/fonts/SystemFonts.java
index 1d392d2..0da2b51 100644
--- a/graphics/java/android/graphics/fonts/SystemFonts.java
+++ b/graphics/java/android/graphics/fonts/SystemFonts.java
@@ -85,6 +85,15 @@
}
}
+ /**
+ * @hide
+ */
+ public static void resetAvailableFonts() {
+ synchronized (LOCK) {
+ sAvailableFonts = null;
+ }
+ }
+
private static @Nullable ByteBuffer mmap(@NonNull String fullPath) {
try (FileInputStream file = new FileInputStream(fullPath)) {
final FileChannel fileChannel = file.getChannel();