def relocatedResults = extractResultsFrom(relocatedDir)
        then: "the two results should be the same"
        assertResultsEqual originalResults, relocatedResults
    }

    abstract protected String getTaskName()

    abstract protected void setupProjectIn(TestFile projectDir)

    abstract protected def extractResultsFrom(TestFile projectDir)

    @SuppressWarnings("GrMethodMayBeStatic")

                testImplementation "$testJunitCoordinates"
            }

            sourceSets.test.java.destinationDirectory.set(file("build/classes/test"))
        """
    }

    @Override
    protected extractResultsFrom(TestFile projectDir) {
        def contents = normaliseLineSeparators(projectDir.file("build/reports/tests/test/index.html").text)
        contents = contents.replaceAll(/(<a href=".*">Gradle .*?<\/a>) at [^<]+/, '$1 at [DATE]' )

            ${mavenCentralRepository()}

            dependencies {
                antlr 'org.antlr:antlr4:4.3'
            }
        """
    }

    @Override
    protected extractResultsFrom(TestFile projectDir) {
        [
            "org/acme/Test.tokens",
            "org/acme/TestBaseListener.java",
            "org/acme/TestLexer.java",
            "org/acme/TestLexer.tokens",

        ;"""
        projectDir.file("build.gradle") << """
            apply plugin: "antlr"

            ${mavenCentralRepository()}
        """
    }

    @Override
    protected extractResultsFrom(TestFile projectDir) {
        [
            "build/generated-src/antlr/main/TestGrammar.java",
            "build/generated-src/antlr/main/TestGrammar.smap",

            ${mavenCentralRepository()}

            dependencies {
                antlr 'org.antlr:antlr:3.5.2'
            }
        """
    }

    @Override
    protected extractResultsFrom(TestFile projectDir) {
        def result = [
            "Test.tokens",
            "org/acme/test/TestLexer.java",
            "org/acme/test/TestParser.java",
        ]

        def javaProjectUnderTest = new JavaProjectUnderTest(projectDir)
        javaProjectUnderTest.writeBuildScript().writeSourceFiles()
    }

    @Override
    protected extractResultsFrom(TestFile projectDir) {
        projectDir.file("build/jacoco/test.exec").bytes
    }

    @Override
    protected void assertResultsEqual(def originalResult, def movedResult) {

                source "src/main/java"
                classpath = files()
                ignoreFailures = true
            }
        """
    }

    @Override
    protected extractResultsFrom(TestFile projectDir) {
        return projectDir.file("build/reports/checkstyle/checkstyle.xml").text
            .replaceAll(Pattern.quote(projectDir.absolutePath + File.separator) + ".*?" + Pattern.quote(File.separator), "")

    protected void prepareForRelocation(TestFile projectDir) {
        // Move Zinc and Scala library dependencies around on disk
        executer.requireOwnGradleUserHomeDir()
    }

    @Override
    protected extractResultsFrom(TestFile projectDir) {
        def classes = new ScalaCompilationFixture(projectDir)
        return classes.classDependingOnBasicClassSource.compiledClass.bytes
    }

                source "src/main/groovy"
                classpath = files()
                groovyClasspath = files('libs')
            }
        """
    }

    @Override
    protected extractResultsFrom(TestFile projectDir) {
        return projectDir.file("build/classes/Foo.class").bytes
    }

            ${mavenCentralRepository()}

            task pmd(type: Pmd) {
                source "src/main/java"
            }
        """
    }

    @Override
    protected extractResultsFrom(TestFile projectDir) {
        projectDir.file("build/reports/pmd/pmd.xml").text
            .replaceAll(/timestamp=".*?"/, 'timestamp="[NUMBER]"')
    }