//
// The format of the returned string is for debugging purposes and is subject to change.
func (s GoState) String() string {
	switch s {
	case GoUndetermined:
		return "Undetermined"
	case GoNotExist:
		return "NotExist"
	case GoRunnable:
		return "Runnable"
	case GoRunning:
		return "Running"
	case GoWaiting:
		return "Waiting"
	case GoSyscall:
		return "Syscall"
	}
	return "Bad"
}

class NoSourceTaskOutcomeCrossVersionSpec extends ToolingApiSpecification {
    def setup() {
        buildFile << """
            task noSourceTask(type:Copy) {
                from("notexist")
                into("notexisteither")
            }"""
    }

    @TargetGradleVersion('>=3.4')
    def "tasks with no source is reported as NO-SOURCE"() {
        when:

		if err = osMkdirAll(dirPath, mode, baseDir); err != nil {
			// Retry only for the first retryable error.
			if osIsNotExist(err) && i == 0 {
				i++
				// Determine if os.NotExist error is because of
				// baseDir's parent being present, retry it once such
				// that the MkdirAll is retried once for the parent
				// of dirPath.
				// Because it is worth a retry to skip a different

		Key:      k,
		Operator: metav1.LabelSelectorOpExists,
	}
	s.MatchExpressions = append(s.MatchExpressions, expression)
	return s
}

// NotExist injects a matchExpression (with an operator NotExist) to the inner labelSelector.
func (s *LabelSelectorWrapper) NotExist(k string) *LabelSelectorWrapper {
	expression := metav1.LabelSelectorRequirement{
		Key:      k,
		Operator: metav1.LabelSelectorOpDoesNotExist,
	}

		// running threads with running Ps.
		ctx.IncThreadStateCount(ctx.elapsed(start), traceviewer.ThreadStateRunning, -1)
	}
	// TODO(mknyszek): Consider modeling procs differently and have them be
	// transition to and from NotExist when GOMAXPROCS changes. We can emit
	// events for this to clearly delineate GOMAXPROCS changes.

	if viewerEv.Name != "" {
		ctx.Instant(viewerEv)
	}
}

			gs.syscallEnd(start, true, ctx)
			gs.stop(start, ev.Stack(), ctx)
			delete(g.inSyscall, proc)
		}
	}
	// TODO(mknyszek): Consider modeling procs differently and have them be
	// transition to and from NotExist when GOMAXPROCS changes. We can emit
	// events for this to clearly delineate GOMAXPROCS changes.

	if viewerEv.Name != "" {
		ctx.Instant(viewerEv)
	}
}

	// but can be a state transition event from NotExist or Undetermined
	// if the region is a synthetic region representing task inheritance
	// from the parent goroutine.
	Start *Event

	// Region end event. Normally EventRegionEnd event or nil,
	// but can be a state transition event to NotExist if the goroutine
	// terminated without explicitly ending the region.
	End *Event

		const mainLine = 21
		want := []evDesc{
			{trace.EventStateTransition, "Goroutine Running->Runnable", []frame{
				{"main.main", mainLine + 82},
			}},
			{trace.EventStateTransition, "Goroutine NotExist->Runnable", []frame{
				{"main.main", mainLine + 11},
			}},
			{trace.EventStateTransition, "Goroutine Running->Waiting", []frame{
				{"runtime.block", 0},
				{"main.main.func1", 0},
			}},

	}
	defer os.RemoveAll(existingMountPath)

	tests := []struct {
		desc           string
		dir            string
		expectedResult bool
	}{
		{
			desc:           "NotExist dir",
			dir:            "/tmp/NotExist",
			expectedResult: false,
		},
		{
			desc:           "Existing dir",
			dir:            existingMountPath,
			expectedResult: false,
		},
	}

func TestEvalSymlinksIsNotExist(t *testing.T) {
	testenv.MustHaveSymlink(t)

	defer chtmpdir(t)()

	_, err := filepath.EvalSymlinks("notexist")
	if !os.IsNotExist(err) {
		t.Errorf("expected the file is not found, got %v\n", err)
	}

	err = os.Symlink("notexist", "link")
	if err != nil {
		t.Fatal(err)
	}
	defer os.Remove("link")

	_, err = filepath.EvalSymlinks("link")