}
	_Intersect(mc, map[int]int{1: 0, 2: 0})
	want := map[int]int{1: 2, 2: 4}
	if !_Equal(mc, want) {
		panic(fmt.Sprintf("_Intersect result = %v, want %v", mc, want))
	}
}

func TestFilter() {
	mc := _Copy(m1)
	_Filter(mc, func(int, int) bool { return true })
	if !_Equal(mc, m1) {
		panic(fmt.Sprintf("_Filter(%v, true) = %v, want %v", m1, mc, m1))
	}

	s1.Add(1)
	s1.Add(2)
	s1.Add(3)
	s1.Add(4)
	tot := 0
	s1.Iterate(func(i int) { tot += i })
	if tot != 10 {
		panic(fmt.Sprintf("total of %v == %d, want 10", s1, tot))
	}
}

func TestFilter() {
	s1 := _Make[int]()
	s1.Add(1)
	s1.Add(2)
	s1.Add(3)
	s1.Filter(func(v int) bool { return v%2 == 0 })
	if vals, want := s1.Values(), []int{2}; !_SliceEqual(vals, want) {

	}

	if got := _Reduce(nil, 0, func(i, j int) int { return i + j }); got != 0 {
		panic(fmt.Sprintf("_Reduce(nil, 0, add) = %v, want 0", got))
	}
}

func TestFilter() {
	s1 := []int{1, 2, 3}
	s2 := _Filter(s1, func(i int) bool { return i%2 == 0 })
	if want := []int{2}; !_Equal(s2, want) {
		panic(fmt.Sprintf("_Filter(%v, even) = %v, want %v", s1, s2, want))
	}

	got := _ReadAll(ctx, _Merge(ctx, c1, c2))
	sort.Ints(got)
	want := []int{1, 2, 3, 4, 5, 6}
	if !_SliceEqual(got, want) {
		panic(fmt.Sprintf("_Merge returned %v, want %v", got, want))
	}
}

func TestFilter() {
	c := make(chan int)
	go func() {
		c <- 1
		c <- 2
		c <- 3
		close(c)
	}()
	even := func(i int) bool { return i%2 == 0 }
	ctx := context.Background()

			out = append(out, fmt.Sprintf("\t\"%2d: %T\":\t%q,", fset.Position(n.Pos()).Line, n, ctext(list)))
		}
		sort.Strings(out)
		for _, s := range out {
			fmt.Println(s)
		}
	}
}

func TestFilter(t *testing.T) {
	fset := token.NewFileSet()
	f, err := parser.ParseFile(fset, "", src, parser.ParseComments)
	if err != nil {
		t.Fatal(err)
	}
	cmap := NewCommentMap(fset, f, f.Comments)

     * Classes or method names are supported, wildcard '*' is supported.
     * For more information see the user guide chapter on testing.
     *
     * For more information on supported patterns see {@link TestFilter}
     */
    @Option(option = "tests", description = "Sets test class or method name to be included (in addition to the test task filters), '*' is supported.")

include::sample[dir="snippets/swift/testFiltering/groovy",files="build.gradle[tags=test-filtering]"]
====

For more details and examples of declaring filters in the build script, please see the TestFilter reference.

The command-line option is especially useful to execute a single test method.
It is also possible to supply multiple `--tests` options, all of whose patterns will take effect.

			// Ignore the adds
			return !strings.HasPrefix(s, "add/")
		})
		return slices.Equal(events, []string{"delete/selected"}) ||
			slices.Equal(events, nil)
	}, retry.Timeout(time.Second*3))
}

func TestFilter(t *testing.T) {
	tracker := assert.NewTracker[string](t)
	c := kube.NewFakeClient()
	meshWatcher := mesh.NewTestWatcher(&meshconfig.MeshConfig{})
	testns := clienttest.NewWriter[*corev1.Namespace](t, c)

		t.Run(tt.name, func(t *testing.T) {
			if got := FindFunc(tt.elements, tt.fn); !reflect.DeepEqual(got, tt.want) {
				t.Errorf("FindFunc got %v, want %v", got, tt.want)
			}
		})
	}
}

func TestFilter(t *testing.T) {
	tests := []struct {
		name     string
		elements []string
		fn       func(string) bool
		want     []string
	}{
		{
			name:     "empty element",
			elements: []string{},

|<<command_line_interface#command_line_interface,Command line interface>>
|Flags that configure build behavior and Gradle features
|`--rerun`

|<<sec:project_properties,Project properties>>
|Properties specific to your Gradle project
|`TestFilter::isFailOnNoMatchingTests=false`

|<<#sec:gradle_system_properties,System properties>>
|Properties that are passed to the Gradle runtime (JVM)
|`systemProp.http.proxyHost=somehost.org`