Class[] dup = new Class[classes.length * 2]
                    System.arraycopy(classes, 0, dup, 0, classes.length)
                    System.arraycopy(classes, 0, dup, classes.length, classes.length)
                    classes = dup
                }
                i++
            }
        } catch (OutOfMemoryError e) {
            classes = []

    <property name="build.dir" value="target"/>
    <property name="classes.dir" value="${build.dir}/classes"/>

    <!-- tag::build-required[] -->
    <target name="buildRequiredProjects">
        <ant dir="${root.dir}/util" target="build"/>
    </target>
    <!-- end::build-required[] -->

    <target name="compile" depends="buildRequiredProjects">
        <mkdir dir="${classes.dir}"/>

        def classes = new ScalaCompilationFixture(warmupDir)
        classes.baseline()
        classes.classDependingOnBasicClassSource.change()

        when:
        executer.inDirectory(warmupDir)
        withBuildCache().run compilationTask

        then:
        classes.all*.compiledClass*.exists().every()
        classes.analysisFile.assertIsFile()

        when:

    }

    def "caches results of module detection"() {
        when:
        def p = path('lib.jar', 'module.jar', 'classes', 'classes-module', 'automaticModule.jar')

        then:
        inferClasspath(p) == ['lib.jar', 'classes']
        inferModulePath(p) == ['module.jar', 'classes-module', 'automaticModule.jar']
        inferClasspath(p) == ['lib.jar', 'classes']

Secondary variants (*)
    - Variant : classes
       - Attributes
          - org.gradle.category            = library
          - org.gradle.dependency.bundling = external
          - org.gradle.jvm.version         = 11
          - org.gradle.libraryelements     = classes
          - org.gradle.usage               = java-api
       - Artifacts
          - build/classes/java/main (artifactType = java-classes-directory)

    <property name="build.dir" value="target"/>
    <property name="classes.dir" value="${build.dir}/classes"/>

    <target name="compile">
        <mkdir dir="${classes.dir}"/>
        <javac srcdir="${src.dir}" destdir="${classes.dir}" debug="true"/>
    </target>

    <target name="package" depends="build">
        <jar destfile="${build.dir}/lib/hello-app.jar" basedir="${classes.dir}"/>
    </target>

// For each J in [0, len(classes)):
//  1. `classes[J].lowerBound <= allocs[J] <= classes[J].upperBound` and
//  2. exactly one of the following is true:
//     2a. `allocs[J] == fairProp * classes[J].target`,
//     2b. `allocs[J] == classes[J].lowerBound && classes[J].lowerBound > fairProp * classes[J].target`, or
//     2c. `allocs[J] == classes[J].upperBound && classes[J].upperBound < fairProp * classes[J].target`.
//

    <property name="classes.dir" value="${build.dir}/classes"/>

    <target name="cleanAll">
        <delete dir="${build.dir}"/>
    </target>

    <target name="prepare">
        <tstamp>
            <format property="now" pattern="yyyy-MM-dd hh:mm:ss"/>
        </tstamp>
    </target>

    <target name="build" depends="prepare">
        <mkdir dir="${classes.dir}"/>

    <property name="build.dir" value="target"/>
    <property name="classes.dir" value="${build.dir}/classes"/>

    <!-- tag::build-required[] -->
    <target name="buildRequiredProjects">
        <ant dir="${root.dir}/util" target="build"/>  <!--1-->
    </target>
    <!-- end::build-required[] -->

    <target name="compile" depends="buildRequiredProjects">
        <mkdir dir="${classes.dir}"/>

               }
            }
        """

        when:
        def outer = api.classes.A
        def inner = api.classes['A$Inner']
        def extractedOuter = api.extractAndLoadApiClassFrom(outer)

        then:
        !api.isApiClassExtractedFrom(inner)
        extractedOuter.classes.length == 0

        where:
        modifier | _
        ''       | _
        'static' | _
    }