// encounters an error reading the zip file.
//
// Note that CheckZip does not read individual files, so [Unzip] may still fail
// when CheckZip is successful due to I/O errors.
func CheckZip(m module.Version, zipFile string) (CheckedFiles, error) {
	f, err := os.Open(zipFile)
	if err != nil {
		return CheckedFiles{}, err
	}
	defer f.Close()
	_, cf, err := checkZip(m, f)
	return cf, err
}

            .dependsOn(notRequired, scope: 'provided')
            .publish()

        buildFile << """
dependencies {
    conf 'test:target:1.0'
}
"""
        expect:
        succeeds 'checkDep'
        resolve.expectDefaultConfiguration("runtime")
        resolve.expectGraph {
            root(':', ':testproject:') {
                module('test:target:1.0') {
                    module('test:test5:1.0') {

            }
            'org.gradle:other:preview-1' {
                expectGetMetadata()
                expectGetArtifact()
            }
        }

        expect:
        succeeds "checkDep"
        resolve.expectGraph {
            root(':', 'org.gradle:testproject:1.0') {
                module("org.gradle:test:1.45") {
                    module("org.gradle:other:preview-1")
                }

            }
            'org.test:moduleB:1.0'() {
                expectGetMetadata()
                expectGetArtifact()
            }
        }

        then:
        succeeds 'checkDep'
        def expectedVariant = variantToTest
        resolve.expectGraph {
            root(':', ':test:') {
                edge('org.test:moduleB', 'org.test:moduleB:1.0') {
                    maybeByConstraint()

	
	t4 := T4{}
	t3 := T3{&t4}
	t2 := T2{&t3}
	t1 := T1{t2}
	CheckI("t4", t4, 40)
	CheckI("&t4", &t4, 40)
	CheckI("t3", t3, 40)
	CheckI("&t3", &t3, 40)
	CheckI("t2", t2, 40)
	CheckI("&t2", &t2, 40)
	CheckI("t1", t1, 40)
	CheckI("&t1", &t1, 40)
	
	// x.M panics if x is an interface type and is nil,
	// or if x.M expands to (*x).M where x is nil,

                expectResolve()
            }
            'org:bar:1.0' {
                expectGetMetadata()
                expectGetArtifact(classifier: 'classy')
            }
        }
        succeeds "checkDep"

        then:
        resolve.expectGraph {
            root(':', ':test:') {
                module("org:foo:1.0") {
                    module("org:bar:1.0") {

        buildFile """
            tasks.register("checkDir") {
                def file = file("tmp/gradle")
                doLast {
                    println file
                }
            }
        """
        settingsFile << "include 'tmp'"

        when:
        def subdir = file("tmp")
        subdir.mkdirs()
        executer.inDirectory(subdir)
        succeeds ':checkDir'

        then:

        buildFile << """
            dependencies {
                compile "group:moduleA"
                compile platform("group:bom:1.0")
            }
        """

        when:
        succeeds 'checkDep'

        then:
        resolve.expectGraph {
            root(':', ':testproject:') {
                module("group:bom:1.0:platform-runtime") {
                    constraint("group:moduleA:2.0", "group:moduleA:2.0")

                expectGetArtifact(classifier: 'jdk8')
            }
            'org.test:moduleB:1.0' {
                expectResolve()
            }
        }

        then:
        succeeds 'checkDep'
        def expectedLibraryAttributes = expectedJavaLibraryAttributes(useMaven() || gradleMetadataPublished)
        resolve.expectGraph {
            root(':', ':test:') {
                module('org.test:moduleA:1.0') {

                checkModel(actualItem, expectedItem, specs)
            }
            return
        }

        if (expected instanceof Map) {
            assert actual instanceof Map
            checkMap(actual, expected) { actualItem, expectedItem ->
                checkModel(actualItem, expectedItem, specs)
            }
            return
        }

        for (def spec in specs) {