update:2021.03.19

fix:重新提交
add:

robolectric_tests/src/com/android/launcher3/logging/FileLogTest.java

@@ -1,91 +0,0 @@
-package com.android.uiuios.logging;
-
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
-
-import java.io.File;
-import java.io.PrintWriter;
-import java.io.StringWriter;
-import java.util.Calendar;
-
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
-/**
- * Tests for {@link FileLog}
- */
-@RunWith(RobolectricTestRunner.class)
-public class FileLogTest {
-
-    private File mTempDir;
-
-    @Before
-    public void setUp() throws Exception {
-        int count = 0;
-        do {
-            mTempDir = new File(RuntimeEnvironment.application.getCacheDir(),
-                    "log-test-" + (count++));
-        } while (!mTempDir.mkdir());
-
-        FileLog.setDir(mTempDir);
-    }
-
-    @After
-    public void tearDown() throws Exception {
-        // Clear existing logs
-        new File(mTempDir, "log-0").delete();
-        new File(mTempDir, "log-1").delete();
-        mTempDir.delete();
-    }
-
-    @Test
-    public void testPrintLog() throws Exception {
-        if (!FileLog.ENABLED) {
-            return;
-        }
-        FileLog.print("Testing", "hoolalala");
-        StringWriter writer = new StringWriter();
-        FileLog.flushAll(new PrintWriter(writer));
-        assertTrue(writer.toString().contains("hoolalala"));
-
-        FileLog.print("Testing", "abracadabra", new Exception("cat! cat!"));
-        writer = new StringWriter();
-        FileLog.flushAll(new PrintWriter(writer));
-        assertTrue(writer.toString().contains("abracadabra"));
-        // Exception is also printed
-        assertTrue(writer.toString().contains("cat! cat!"));
-
-        // Old logs still present after flush
-        assertTrue(writer.toString().contains("hoolalala"));
-    }
-
-    @Test
-    public void testOldFileTruncated() throws Exception {
-        if (!FileLog.ENABLED) {
-            return;
-        }
-        FileLog.print("Testing", "hoolalala");
-        StringWriter writer = new StringWriter();
-        FileLog.flushAll(new PrintWriter(writer));
-        assertTrue(writer.toString().contains("hoolalala"));
-
-        Calendar threeDaysAgo = Calendar.getInstance();
-        threeDaysAgo.add(Calendar.HOUR, -72);
-        new File(mTempDir, "log-0").setLastModified(threeDaysAgo.getTimeInMillis());
-        new File(mTempDir, "log-1").setLastModified(threeDaysAgo.getTimeInMillis());
-
-        FileLog.print("Testing", "abracadabra", new Exception("cat! cat!"));
-        writer = new StringWriter();
-        FileLog.flushAll(new PrintWriter(writer));
-        assertTrue(writer.toString().contains("abracadabra"));
-        // Exception is also printed
-        assertTrue(writer.toString().contains("cat! cat!"));
-
-        // Old logs have been truncated
-        assertFalse(writer.toString().contains("hoolalala"));
-    }
-}