From f2829deea4f8203148d7e1436419c1aea224b171 Mon Sep 17 00:00:00 2001
From: Seigo Nonaka <nona@google.com>
Date: Thu, 18 Jan 2018 15:08:53 -0800
Subject: [PATCH] StaticLayoutPerfTest: Use fixed seed in each test case

Bug: None
Test: run StaticLayoutPerfTest
Change-Id: I49610b8098d67097569091e18d87eafb9911049b
---
 .../core/src/android/text/StaticLayoutPerfTest.java       | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/apct-tests/perftests/core/src/android/text/StaticLayoutPerfTest.java b/apct-tests/perftests/core/src/android/text/StaticLayoutPerfTest.java
index 0ac167f73d167..6975609d990ab 100644
--- a/apct-tests/perftests/core/src/android/text/StaticLayoutPerfTest.java
+++ b/apct-tests/perftests/core/src/android/text/StaticLayoutPerfTest.java
@@ -29,6 +29,7 @@ import android.graphics.Typeface;
 import android.text.Layout;
 import android.text.style.TextAppearanceSpan;
 
+import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -52,7 +53,7 @@ public class StaticLayoutPerfTest {
     private static final boolean NO_STYLE_TEXT = false;
     private static final boolean STYLE_TEXT = true;
 
-    private final Random mRandom = new Random(31415926535L);
+    private Random mRandom;
 
     private static final String ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
     private static final int ALPHABET_LENGTH = ALPHABET.length();
@@ -98,6 +99,11 @@ public class StaticLayoutPerfTest {
         return ssb;
     }
 
+    @Before
+    public void setUp() {
+        mRandom = new Random(0);
+    }
+
     @Test
     public void testCreate_FixedText_NoStyle_Greedy_NoHyphenation() {
         final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();