def 'can create and detect symlinks'() {
        def symlink = new Jdk7Symlink(TestFiles.tmpDirTemporaryFileProvider(temporaryFolder.createDir("tmp")))
        def testDirectory = temporaryFolder.getTestDirectory().createDir()

        when:
        symlink.symlink(new File(testDirectory, 'testFile'), testDirectory.createFile('symFile'))

        then:
        symlink.isSymlink(new File(testDirectory, 'testFile'))

        when:

        then:
        0 * _
    }

    def "watch only outermost hierarchy"() {
        def outerDir = file("outer").createDir()
        def innerDirBefore = file("outer/inner1").createDir()
        def innerDirAfter = file("outer/inner2").createDir()

        registerWatchableHierarchies([innerDirBefore, outerDir, innerDirAfter])

        when:
        addSnapshotInWatchableHierarchy(outerDir)

#include "some/path/to/another.h"
""")
    }

    def "can generate a source file for a pre-compiled header" () {
        given:
        def tempDir = tmpDirProvider.createDir("temp")
        def pchSourceDir = tempDir.createDir("pchGenerated")
        def headerDir = tmpDirProvider.createDir("headers")
        def sourceFile = headerDir.createFile("test.h")
        def spec = Mock(type) {
            getTempDir() >> tempDir
        }

    def "can locate installed versions in windows registry (#architecture)"() {
        given:
        def dir1 = tmpDir.createDir("Visual Studio 14.0")
        def dir2 = tmpDir.createDir("Visual Studio 12.0")
        def dir3 = tmpDir.createDir("Visual Studio 11.0")

        when:
        List<VisualStudioInstallCandidate> metadata = locator.getVisualStudioInstalls()

        then:

    List<VisualStudioInstallCandidate> windowsRegistryInstalls = []

    def "can determine a VS2017 version of an install from command line"() {
        def dir1 = tmpDir.createDir("dir1")
        def dir2 = tmpDir.createDir("dir2")
        def dir3 = tmpDir.createDir("dir3")

        given:
        vswhereInstall(dir1, "15.3.26730.16")
        vswhereInstall(dir2, "14.0")
        vswhereInstall(dir3, "12.0")

        when:

    def "returns Gradle versions from version-specific cache directories"() {
        given:
        cacheBaseDir.createDir("_foo")
        cacheBaseDir.createDir("1.2.3-rc-1")
        cacheBaseDir.createDir("0.9-20101220110000+1100")
        cacheBaseDir.createDir("2.3.4")
        cacheBaseDir.createDir("99_BAR")
        cacheBaseDir.createDir("ZZZZ")

        when:
        def versions = versions.getUsedGradleVersions()

        then:

        given:
        def root = temporaryFolder.createDir("root")
        def rootFile1 = root.createFile("rootFile1")
        def dir1 = root.createDir("dir1")
        def dirFile1 = dir1.createFile("dirFile1")
        def dirFile2 = dir1.createFile("dirFile2")
        dir1.createDir("dir1Dir").createFile("dir1Dir1File1")
        def rootFile2 = root.createFile("rootFile2")

    }

    def "reuses cached deep descendant trees"() {
        given:
        def parentDir = temporaryFolder.createDir("parent")
        def childDir = parentDir.createDir("child")
        def grandChildDir = parentDir.createDir("grand-child")
        parentDir.createDir("sibling")
        def cousinFile = childDir.createFile("cousin.txt")
        childDir.createFile("other-cousin.txt")

    }

    def "supplies multiple installations for multiple paths"() {
        given:
        def expectedLocation1 = candidates.createDir("installs/java/11.0.6.hs-adpt")
        def expectedLocation2 = candidates.createDir("installs/java/14")
        def expectedLocation3 = candidates.createDir("installs/java/8.0.262.fx-librca")

        when:
        def directories = supplier.get()

        then:
        directories.size() == 3

        def jdkHome = temporaryFolder.createDir("jdk-$version")
        def binDir = jdkHome.createDir("bin")
        binDir.createFile(OperatingSystem.current().getExecutableName("java"))
        return jdkHome
    }

    private TestFile createJreInstallation(String version) {
        def jdkHome = temporaryFolder.createDir("jdk-$version")
        def jreHome = jdkHome.file("jre").createDir()