m := make(map[int64]A)
	a := m[0]
	if len(a.B.C1.D2.E2.F1) != 0 ||
		len(a.B.C1.D2.E2.F2) != 0 ||
		len(a.B.C1.D2.E2.F3) != 0 ||
		len(a.B.C1.D2.E2.F4) != 0 ||
		len(a.B.C1.D2.E2.F5) != 0 ||
		len(a.B.C1.D2.E2.F6) != 0 ||
		len(a.B.C1.D2.E2.F7) != 0 ||
		len(a.B.C1.D2.E2.F8) != 0 ||
		len(a.B.C1.D2.E2.F9) != 0 ||
		len(a.B.C1.D2.E2.F10) != 0 ||
		len(a.B.C1.D2.E2.F11) != 0 ||
		len(a.B.C1.D2.E2.F16) != 0 {
		panic("bad")
	}
}

	}

	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"}},
	})

	return ret
}

//go:noinline
func add64_ssa(a, b float64) float64 {
	return a + b
}

//go:noinline
func mul64_ssa(a, b float64) float64 {
	return a * b
}

//go:noinline
func sub64_ssa(a, b float64) float64 {
	return a - b
}

//go:noinline
func div64_ssa(a, b float64) float64 {
	return a / b
}

//go:noinline
func neg64_ssa(a, b float64) float64 {
	return -a + -1*b
}

        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")

	{"", "."},
	{".", "."},
	{"/.", "/"},
	{"/", "/"},
	{"////", "/"},
	{"/foo", "/"},
	{"x/", "x"},
	{"abc", "."},
	{"abc/def", "abc"},
	{"abc////def", "abc"},
	{"a/b/.x", "a/b"},
	{"a/b/c.", "a/b"},
	{"a/b/c.x", "a/b"},
}

func TestDir(t *testing.T) {
	for _, test := range dirtests {
		if s := Dir(test.path); s != test.result {
			t.Errorf("Dir(%q) = %q, want %q", test.path, s, test.result)
		}

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

  }

  public void testSumEmptyNonempty() {
    Multiset<String> ms1 = HashMultiset.create();
    Multiset<String> ms2 = HashMultiset.create(Arrays.asList("a", "b", "a"));
    assertThat(Multisets.sum(ms1, ms2)).containsExactly("a", "b", "a");
  }

  public void testSumNonemptyEmpty() {
    Multiset<String> ms1 = HashMultiset.create(Arrays.asList("a", "b", "a"));

    Helpers.assertEmpty(map);

    map.put("a", "b");
    try {
      Helpers.assertEmpty(map);
      throw new Error();
    } catch (AssertionFailedError expected) {
    }
  }

  public void testAssertEqualInOrder() {
    List<?> list = Arrays.asList("a", "b", "c");
    Helpers.assertEqualInOrder(list, list);

    List<?> fewer = Arrays.asList("a", "b");
    try {
      Helpers.assertEqualInOrder(list, fewer);

    Helpers.assertEmpty(map);

    map.put("a", "b");
    try {
      Helpers.assertEmpty(map);
      throw new Error();
    } catch (AssertionFailedError expected) {
    }
  }

  public void testAssertEqualInOrder() {
    List<?> list = Arrays.asList("a", "b", "c");
    Helpers.assertEqualInOrder(list, list);

    List<?> fewer = Arrays.asList("a", "b");
    try {
      Helpers.assertEqualInOrder(list, fewer);

            }
        """
        resolve.expectDefaultConfiguration("compile")
        resolve.prepare()
    }

    def "artifact file may have no extension"() {
        createDirs("a", "b")
        settingsFile << "include 'a', 'b'"
        buildFile << """
            project(':a') {
                artifacts {
                    compile file("foo")
                    compile file("foo.txt")
                }