Merge "Better error message when temp files can't be created" into main

 */

package com.android.systemui;

import static org.junit.Assert.assertTrue;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.when;

import org.junit.After;

import org.junit.AfterClass;

import org.junit.Assert;

import org.junit.Before;

import org.junit.ClassRule;

import org.junit.Rule;

import org.mockito.Mockito;

import java.io.File;

import java.io.FileInputStream;

import java.io.IOException;

import java.lang.annotation.Retention;

    @Before

    public void SysuiSetup() throws Exception {

        assertTempFilesAreCreatable();

        ProtoLog.REQUIRE_PROTOLOGTOOL = false;

        mSysuiDependency = new SysuiTestDependency(mContext, shouldFailOnLeakedReceiver());

        mDependency = mSysuiDependency.install();

        }

    }

    private static Boolean sCanCreateTempFiles = null;

    private static void assertTempFilesAreCreatable() {

        // TODO(b/391948934): hopefully remove this hack

        if (sCanCreateTempFiles == null) {

            try {

                File tempFile = File.createTempFile("confirm_temp_file_createable", "txt");

                sCanCreateTempFiles = true;

                assertTrue(tempFile.delete());

            } catch (IOException e) {

                sCanCreateTempFiles = false;

                throw new RuntimeException(e);

            }

        }

        if (!sCanCreateTempFiles) {

            Assert.fail(

                    "Cannot create temp files, so mockito will probably fail (b/391948934).  Temp"

                            + " folder should be: "

                            + System.getProperty("java.io.tmpdir"));

        }

    }

    protected boolean shouldFailOnLeakedReceiver() {

        return false;

    }