import static org.gradle.util.internal.VersionNumber.*

trait JUnit4CommonTestSources {
    static class JUnit4TestSourceConfiguration implements AbstractTestingMultiVersionIntegrationTest.TestSourceConfiguration {
        String version

        JUnit4TestSourceConfiguration(String version) {
            this.version = version
        }

        @Override
        String getTestFrameworkImports() {

        return new JUnitVintageBuildScriptConfiguration()
    }

    AbstractTestingMultiVersionIntegrationTest.TestSourceConfiguration getTestSourceConfiguration() {
        new JUnit4TestSourceConfiguration(MultiVersionIntegrationSpec.version)
    }

    static class JUnitVintageBuildScriptConfiguration implements AbstractTestingMultiVersionIntegrationTest.BuildScriptConfiguration {

        return new JUnit4BuildScriptConfiguration()
    }

    AbstractTestingMultiVersionIntegrationTest.TestSourceConfiguration getTestSourceConfiguration() {
        new JUnit4TestSourceConfiguration(AbstractTestingMultiVersionIntegrationTest.version as String)
    }

    static class JUnit4BuildScriptConfiguration implements AbstractTestingMultiVersionIntegrationTest.BuildScriptConfiguration {