vendor: cadvisor v0.38.4

vendor/github.com/golang/mock/gomock/matchers.go

@@ -17,6 +17,7 @@ package gomock
 import (
 	"fmt"
 	"reflect"
+	"strings"
 )
 
 // A Matcher is a representation of a class of values.
@@ -29,9 +30,66 @@ type Matcher interface {
 	String() string
 }
 
+// WantFormatter modifies the given Matcher's String() method to the given
+// Stringer. This allows for control on how the "Want" is formatted when
+// printing .
+func WantFormatter(s fmt.Stringer, m Matcher) Matcher {
+	type matcher interface {
+		Matches(x interface{}) bool
+	}
+
+	return struct {
+		matcher
+		fmt.Stringer
+	}{
+		matcher:  m,
+		Stringer: s,
+	}
+}
+
+// StringerFunc type is an adapter to allow the use of ordinary functions as
+// a Stringer. If f is a function with the appropriate signature,
+// StringerFunc(f) is a Stringer that calls f.
+type StringerFunc func() string
+
+// String implements fmt.Stringer.
+func (f StringerFunc) String() string {
+	return f()
+}
+
+// GotFormatter is used to better print failure messages. If a matcher
+// implements GotFormatter, it will use the result from Got when printing
+// the failure message.
+type GotFormatter interface {
+	// Got is invoked with the received value. The result is used when
+	// printing the failure message.
+	Got(got interface{}) string
+}
+
+// GotFormatterFunc type is an adapter to allow the use of ordinary
+// functions as a GotFormatter. If f is a function with the appropriate
+// signature, GotFormatterFunc(f) is a GotFormatter that calls f.
+type GotFormatterFunc func(got interface{}) string
+
+// Got implements GotFormatter.
+func (f GotFormatterFunc) Got(got interface{}) string {
+	return f(got)
+}
+
+// GotFormatterAdapter attaches a GotFormatter to a Matcher.
+func GotFormatterAdapter(s GotFormatter, m Matcher) Matcher {
+	return struct {
+		GotFormatter
+		Matcher
+	}{
+		GotFormatter: s,
+		Matcher:      m,
+	}
+}
+
 type anyMatcher struct{}
 
-func (anyMatcher) Matches(x interface{}) bool {
+func (anyMatcher) Matches(interface{}) bool {
 	return true
 }
 
@@ -97,7 +155,51 @@ func (m assignableToTypeOfMatcher) String() string {
 	return "is assignable to " + m.targetType.Name()
 }
 
+type allMatcher struct {
+	matchers []Matcher
+}
+
+func (am allMatcher) Matches(x interface{}) bool {
+	for _, m := range am.matchers {
+		if !m.Matches(x) {
+			return false
+		}
+	}
+	return true
+}
+
+func (am allMatcher) String() string {
+	ss := make([]string, 0, len(am.matchers))
+	for _, matcher := range am.matchers {
+		ss = append(ss, matcher.String())
+	}
+	return strings.Join(ss, "; ")
+}
+
+type lenMatcher struct {
+	i int
+}
+
+func (m lenMatcher) Matches(x interface{}) bool {
+	v := reflect.ValueOf(x)
+	switch v.Kind() {
+	case reflect.Array, reflect.Chan, reflect.Map, reflect.Slice, reflect.String:
+		return v.Len() == m.i
+	default:
+		return false
+	}
+}
+
+func (m lenMatcher) String() string {
+	return fmt.Sprintf("has length %d", m.i)
+}
+
 // Constructors
+
+// All returns a composite Matcher that returns true if and only all of the
+// matchers return true.
+func All(ms ...Matcher) Matcher { return allMatcher{ms} }
+
 // Any returns a matcher that always matches.
 func Any() Matcher { return anyMatcher{} }
 
@@ -108,6 +210,12 @@ func Any() Matcher { return anyMatcher{} }
 //   Eq(5).Matches(4) // returns false
 func Eq(x interface{}) Matcher { return eqMatcher{x} }
 
+// Len returns a matcher that matches on length. This matcher returns false if
+// is compared to a type that is not an array, chan, map, slice, or string.
+func Len(i int) Matcher {
+	return lenMatcher{i}
+}
+
 // Nil returns a matcher that matches if the received value is nil.
 //
 // Example usage:
@@ -136,6 +244,12 @@ func Not(x interface{}) Matcher {
 //   var s fmt.Stringer = &bytes.Buffer{}
 //   AssignableToTypeOf(s).Matches(time.Second) // returns true
 //   AssignableToTypeOf(s).Matches(99) // returns false
+//
+//   var ctx = reflect.TypeOf((*context.Context)).Elem()
+//   AssignableToTypeOf(ctx).Matches(context.Background()) // returns true
 func AssignableToTypeOf(x interface{}) Matcher {
+	if xt, ok := x.(reflect.Type); ok {
+		return assignableToTypeOfMatcher{xt}
+	}
 	return assignableToTypeOfMatcher{reflect.TypeOf(x)}
 }