def "can match order exactly (#executedTasks)"() {
        def spec = exact(':a', ':b', ':c')

        when:
        spec.assertMatches(-1, executedTasks)

        then:
        noExceptionThrown()

        where:
        executedTasks << [
            [':a', ':b', ':c'],
            [':a', ':b', ':c', ':d'],
            [':z', ':a', ':b', ':c'],
            [':a', ':z', ':b', ':c'],

type (
        // 0 and 1-element []-lists are syntactically valid
        _[A, B /* ERROR missing type constraint */ ] int
        _[A, /* ERROR missing type parameter name */ interface{}] int
        _[A, B, C /* ERROR missing type constraint */ ] int
        _[A B, C /* ERROR missing type constraint */ ] int
        _[A B, /* ERROR missing type parameter name */ interface{}] int
        _[A B, /* ERROR missing type parameter name */ interface{}, C D] int

        where:
        elements << [["a"], ["a", "b"]]
    }

    def "has a nice toString method"() {
        expect:
        PersistentList.of().toString() == "Nil"
        PersistentList.of("a").toString() == "a"
        PersistentList.of("a", "b").toString() == "a : b"
        PersistentList.of("a", "b", "c").toString() == "a : b : c"
        PersistentList.of("a", "b", "c", "d").toString() == "a : b : c : d"
    }

        new URI("s3://somebucket.au.s3.eu-central-1.amazonaws.com/a/b/file.txt")      | Optional.of(getRegion(Regions.EU_CENTRAL_1))                        | 'somebucket.au' | 'a/b/file.txt'
        new URI("s3://somebucket.au.s3-eu-central-1.amazonaws.com/a/b/file.txt")      | Optional.of(getRegion(Regions.EU_CENTRAL_1))                        | 'somebucket.au' | 'a/b/file.txt'

	}

	test(getTestTree(), []testCase{
		{"GET", "", "/a", "/a", nil},
		{"Get", "", "/b", "", nil},
		{"Get", "", "/a/b", "/a/b", nil},
		{"Get", "", "/a/c", "/a/{x}", []string{"c"}},
		{"Get", "", "/a/b/", "/a/b/{$}", nil},
		{"Get", "", "/a/b/c", "/a/b/{y}", []string{"c"}},
		{"Get", "", "/a/b/c/d", "/a/b/{x...}", []string{"c/d"}},
		{"Get", "", "/g/h/i", "/g/h/i", nil},
		{"Get", "", "/g/h/j", "/g/{x}/j", []string{"h"}},
	})

        toRoots(files("a", "b", "c")) == files("a", "b", "c")
        toRoots(files("a/a", "a/a/a", "a/b/a")) == files("a/a", "a/b/a")
        toRoots(files("a/a/a", "a/a", "a/b/a")) == files("a/a", "a/b/a")
        toRoots(files("a/a", "a/a-1", "a/a/a")) == files("a/a", "a/a-1")
        toRoots(files("a/a", "a/a/a", "b/a/a")) == files("a/a", "b/a/a")
        toRoots(files("a/a/a/a/a/a/a/a/a", "a/b")) == files("a/a/a/a/a/a/a/a/a", "a/b")

Anchored diff gives up on finding anything,
since there are no unique lines.

-- old --
a
b
c
a
b
b
a
-- new --
c
a
b
a
b
c
-- diff --
diff old new
--- old
+++ new
@@ -1,7 +1,6 @@
-a
-b
-c
-a
-b
-b
-a
+c
+a
+b
+a
+b

	/* b */ 0,
}

var _ = T{ /* a */ {}}

var _ = T{ /* a */ /* b */ {}}

var _ = T{	/* a */	/* b */
	/* c */ {},
}

var _ = T{	/* a */	/* b */
	/* c */
	/* d */ {},
}

var _ = T{
	/* a */
	/* b */ {},
}

var _ = []T{
	func() {
		var _ = [][]int{
			/*       a, b, c, d, e */
			/* a */ {0, 0, 0, 0, 0},
			/* b */ {0, 5, 4, 4, 4},
			/* c */ {0, 4, 5, 4, 4},

		{name: "two", value: "a b", want: []string{"a", "b"}},
		{name: "two_multi_space", value: "a  b", want: []string{"a", "b"}},
		{name: "two_tab", value: "a\tb", want: []string{"a", "b"}},
		{name: "two_newline", value: "a\nb", want: []string{"a", "b"}},
		{name: "quote_single", value: `'a b'`, want: []string{"a b"}},
		{name: "quote_double", value: `"a b"`, want: []string{"a b"}},

    @Rule
    public final BlockingHttpServer blockingServer = new BlockingHttpServer()

    def setup() {
        blockingServer.start()

        createDirs("a", "b", "c")
        settingsFile << """
            include 'a', 'b', 'c'
        """
        buildFile << """
            allprojects {
                task ping {
                    def projectName = project.name
                    doLast {