"postbox":                              "\U0001f4ee",
	"potable_water":                        "\U0001f6b0",
	"potato":                               "\U0001f954",
	"potted_plant":                         "\U0001fab4",
	"pouch":                                "\U0001f45d",
	"poultry_leg":                          "\U0001f357",
	"pound":                                "\U0001f4b7",
	"pout":                                 "\U0001f621",

        formatter.format(testDescriptor, [new RuntimeException("oops"), new Exception("ouch")]) == """\
    java.lang.RuntimeException: oops

    java.lang.Exception: ouch
"""
    }

    def "optionally shows causes"() {
        testLogging.getShowCauses() >> true
        def cause = new RuntimeException("oops")
        def exception = new Exception("ouch", cause)

        expect:

        def archivesDir = dslDir.file("build/toArchive")
        archivesDir.createDir().file("my-report.pdf").touch()
        archivesDir.createDir().file("numbers.csv").touch()

        and: "A PDF report in a subdirectory of build/toArchive"
        archivesDir.createDir("metrics").file("scatterPlot.pdf").touch()

        when:
        succeeds("packageDistribution")

        then:
        def tmpOutDir = dslDir.file("tmp")

        realizeComponents().exe.sources.asm.source.srcDirs*.name == ["d1", "d2"]
    }

    def "creates assemble tasks for each non-empty executable source set "() {
        when:
        touch("src/test/asm/dummy.s")
        touch("src/test/anotherOne/dummy.s")
        dsl {
            pluginManager.apply AssemblerPlugin

            model {
                components {
                    test(NativeExecutableSpec) {

            }
        """
    }

    def "Error message due to unwritable build scope cache directory is not scary"() {
        given:
        def localGradleCache = file('.gradle')
        localGradleCache.touch()

        when:
        fails 'hello'

        then:
        localGradleCache.isFile()
        assertHasStartupFailure(failure, "Cache directory '${localGradleCache}' exists and is not a directory.")
    }

        def reportsDir = dslDir.file('build/reports')
        reportsDir.createDir().file('my-report.pdf').touch()
        reportsDir.file('numbers.csv').touch()

        and: "A PDF report in a subdirectory of build/reports"
        reportsDir.createDir("metrics").file("scatterPlot.pdf").touch()

        when:
        succeeds('copyPdfReportsForArchiving')

        then:

        def reportsDir = dslDir.file('build/reports')
        reportsDir.createDir().file('my-report.pdf').touch()
        reportsDir.file('numbers.csv').touch()

        and: "A PDF report in a subdirectory of build/reports"
        reportsDir.createDir("metrics").file("scatterPlot.pdf").touch()

        when:
        succeeds('moveReports')

        then:
        def toArchiveDir = dslDir.file("build/toArchive")

        readFileQuietly(temp.createDir("dir")).startsWith "Unable to read file"
    }

    def "touch creates new empty file"() {
        def foo = temp.file("foo.txt")

        when:
        touch(foo)
        then:
        foo.exists()
        foo.length() == 0
        foo.file
    }

    def "touch touches existing file"() {
        def foo = temp.file("foo.txt") << "data"

    def setup() {
        moduleSwiftDeps = tmpDir.file("module.swiftdeps")
        barSource = tmpDir.file("src/bar.swift").touch()
        fooSource = tmpDir.file("src/foo.swift").touch()
        mainSource = tmpDir.file("src/main.swift").touch()
        unknownSource = tmpDir.file("src/unknown.swift").touch()

        moduleSwiftDeps << """
version: "Swift version 4.0.3 (swift-4.0.3-RELEASE)"
options: "7890c730e32273cd2686f36d1bd976c0"

        touchFile.delete();

        assertTrue(updateCheckManager.isUpdateRequired(a, remoteRepository));

        file.getParentFile().mkdirs();
        file.createNewFile();
        updateCheckManager.touch(a, remoteRepository, null);

        assertFalse(updateCheckManager.isUpdateRequired(a, remoteRepository));

        assertNull(