func TestPipe1(t *testing.T) {
	c := make(chan int)
	r, w := Pipe()
	var buf = make([]byte, 64)
	go checkWrite(t, w, []byte("hello, world"), c)
	n, err := r.Read(buf)
	if err != nil {
		t.Errorf("read: %v", err)
	} else if n != 12 || string(buf[0:12]) != "hello, world" {
		t.Errorf("bad read: got %q", buf[0:n])
	}
	<-c
	r.Close()
	w.Close()
}

func reader(t *testing.T, r Reader, c chan int) {

        failure.assertHasCause("There were failing tests. See the results at: ")

        and:
        executedAndNotSkipped ":compileHelloTestCUnitExeHelloC", ":compileHelloTestCUnitExeHelloTestC",
            ":linkHelloTestCUnitExe", ":helloTestCUnitExe", ":runHelloTestCUnitExe"
        contains "There were test failures:"

        and:

</p>

<p>
For example, in this program:
</p>

<pre>
var a string

func f() {
	print(a)
}

func hello() {
	a = "hello, world"
	go f()
}
</pre>

<p>
calling <code>hello</code> will print <code>"hello, world"</code>
at some point in the future (perhaps after <code>hello</code> has returned).
</p>

<h3 id="goexit">Goroutine destruction</h3>

<p>

	data, err := ReadFile(readFileOnly{testFsys}, "hello.txt")
	if string(data) != "hello, world" || err != nil {
		t.Fatalf(`ReadFile(readFileOnly, "hello.txt") = %q, %v, want %q, nil`, data, err, "hello, world")
	}

	// Test that ReadFile uses Open when the method is not present.
	data, err = ReadFile(openOnly{testFsys}, "hello.txt")
	if string(data) != "hello, world" || err != nil {

	runtime.UnlockOSThread()
	println("OK")
}

func LockOSThreadTemplateThreadRace() {
	// This test attempts to reproduce the race described in
	// golang.org/issue/38931. To do so, we must have a stop-the-world
	// (achieved via ReadMemStats) racing with two LockOSThread calls.
	//
	// While this test attempts to line up the timing, it is only expected
	// to fail (and thus hang) around 2% of the time if the race is
	// present.

        buildFile = new File(testProjectDir, 'build.gradle')
    }

    def "hello world task prints hello world"() {
        given:
        settingsFile << "rootProject.name = 'hello-world'"
        buildFile << """
            task helloWorld {
                doLast {
                    println 'Hello world!'
                }
            }
        """

        when:

	if !ok {
		inProgress[wireId] = &op
		if wireId == tInterface {
			// Special case because it's a method: the ignored item might
			// define types and we need to record their state in the decoder.
			op = func(i *decInstr, state *decoderState, value reflect.Value) {
				state.dec.ignoreInterface(state)
			}
			return &op
		}
		// Special cases
		wire := dec.wireType[wireId]
		switch {
		case wire == nil:

	for _, ss := range [][2]string{
		{"", ""},
		{"123abc", "123ABC"},
		{"αβδ", "ΑΒΔ"},
		{"abc", "xyz"},
		{"abc", "XYZ"},
		{"1", "2"},
		{"hello, world!", "hello, world!"},
		{"hello, world!", "Hello, World!"},
		{"hello, world!", "HELLO, WORLD!"},
		{"hello, world!", "jello, world!"},
		{"γειά, κόσμε!", "γειά, κόσμε!"},
		{"γειά, κόσμε!", "Γειά, Κόσμε!"},
		{"γειά, κόσμε!", "ΓΕΙΆ, ΚΌΣΜΕ!"},
		{"γειά, κόσμε!", "ΛΕΙΆ, ΚΌΣΜΕ!"},

			require.NoError(t, err, "parse port")
			p16 := uint16(p)

			channel, data, err := wsRead(ws)
			require.NoError(t, err, "read")
			assert.Equal(t, dataChannel, int(channel), "channel")
			assert.Len(t, data, binary.Size(p16), "data size")
			assert.Equal(t, p16, binary.LittleEndian.Uint16(data), "data")

			channel, data, err = wsRead(ws)
			assert.NoError(t, err, "read")
			assert.Equal(t, errorChannel, int(channel), "channel")

			unregisterPlugin = true
		} else {
			// We also need to unregister the plugins that exist in both actual state of world
			// and desired state of world cache, but the timestamps don't match.
			// Iterate through desired state of world plugins and see if there's any plugin
			// with the same socket path but different timestamp.
			for _, dswPlugin := range rc.desiredStateOfWorld.GetPluginsToRegister() {