e.message == 'unknown classpath \'name\' requested.'
    }

    def "delegates to providers to find classpath"() {
        def classpath = Mock(ClassPath)

        given:
        provider1.findClassPath(_) >> null
        provider2.findClassPath("name") >> classpath

        expect:
        registry.getClassPath("name") == classpath
    }

           eclipse {
               classpath {
                   file {
                       whenMerged { classpath ->
                           classpath.entries.removeAll { it.kind == 'output' }
                           classpath.entries.add(new org.gradle.plugins.ide.eclipse.model.Output('$firstPath'))
                           classpath.entries.add(new org.gradle.plugins.ide.eclipse.model.Output('$secondPath'))

 */
package org.gradle.api.internal.classpath;

import org.gradle.internal.classpath.ClassPath;

import java.util.Set;

/**
 * Meta-data about a dynamically loadable module.
 */
public interface Module {
    /**
     * Returns the classpath for the module implementation. This is the classpath of the module itself. Does not include any dependencies.
     */
    ClassPath getImplementationClasspath();

    /**

        assertThat(
            classPath.collect { it.name } as List<String>,
            hasItems(fileNameSetOf(files))
        )
    }

    protected static void assertExcludes(List<File> classPath, File... files) {
        assertThat(
            classPath.collect { it.name } as List<String>,
            not(hasItems(fileNameSetOf(files)))
        )
    }

           apply plugin: 'eclipse'
           eclipse {
               classpath {
                   containers 'containerPath'
                   file {
                       whenMerged { classpath ->
                           classpath.entries.find { it.path == 'containerPath' }.entryAttributes.customKey = 'customValue'
                       }
                   }
               }
           }
        """

        res = transform.transform(graph, ArtifactScopeEnum.compile, false);

        assertNotNull(res, "null classpath container after compile transform");
        assertNotNull(res.getClasspath(), "null classpath after compile transform");
        assertEquals(3, res.getClasspath().size(), "compile classpath should have 3 entries");
    }

    // ------------------------------------------------------------------------------------------

    }

    def "Classpath container defined in beforeMerged"() {
        buildFile <<
        """apply plugin: 'java'
           apply plugin: 'eclipse'
           eclipse {
               classpath {
                   file {
                      beforeMerged { classpath ->

 * limitations under the License.
 */
package org.gradle.tooling.internal.provider;

import org.gradle.internal.SystemProperties;
import org.gradle.internal.classpath.ClassPath;
import org.gradle.internal.classpath.DefaultClassPath;
import org.gradle.internal.daemon.client.execution.ClientBuildRequestContext;
import org.gradle.internal.invocation.BuildAction;

           repositories { $localMaven }
           dependencies { ${implementationConfiguration} 'org.example:example-lib:1.0' }

           eclipse {
               classpath {
                   file {
                       whenMerged { classpath ->
                           classpath.entries.find { it.kind == "lib" }.entryAttributes['customkey'] = 'whenMerged'
                       }
                   }
               }
            }

    def "creates manifest classpath with relative urls"() {
        when:
        def classpathFiles = [tmpDir.file('mydir/jar1.jar'), tmpDir.file('mydir/nested/jar2.jar')]

        then:
        ManifestUtil.createManifestClasspath(jarFile, classpathFiles) == "jar1.jar nested/jar2.jar";
    }

    def "creates manifest classpath with absolute urls"() {
        when: