1 files changed, 258 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/golang.org/x/xerrors@v0.0.0-20220907171357-04be3eba64a2/wrap_test.go b/dependencies/pkg/mod/golang.org/x/xerrors@v0.0.0-20220907171357-04be3eba64a2/wrap_test.go
new file mode 100644
index 0000000..e9e1675
--- /dev/null
+++ b/dependencies/pkg/mod/golang.org/x/xerrors@v0.0.0-20220907171357-04be3eba64a2/wrap_test.go
@@ -0,0 +1,258 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package xerrors_test
+
+import (
+	"fmt"
+	"os"
+	"testing"
+
+	"golang.org/x/xerrors"
+)
+
+func TestIs(t *testing.T) {
+	err1 := xerrors.New("1")
+	erra := xerrors.Errorf("wrap 2: %w", err1)
+	errb := xerrors.Errorf("wrap 3: %w", erra)
+	erro := xerrors.Opaque(err1)
+	errco := xerrors.Errorf("opaque: %w", erro)
+	err3 := xerrors.New("3")
+
+	poser := &poser{"either 1 or 3", func(err error) bool {
+		return err == err1 || err == err3
+	}}
+
+	testCases := []struct {
+		err    error
+		target error
+		match  bool
+	}{
+		{nil, nil, true},
+		{nil, err1, false},
+		{err1, nil, false},
+		{err1, err1, true},
+		{erra, err1, true},
+		{errb, err1, true},
+		{errco, erro, true},
+		{errco, err1, false},
+		{erro, erro, true},
+		{err1, err3, false},
+		{erra, err3, false},
+		{errb, err3, false},
+		{poser, err1, true},
+		{poser, err3, true},
+		{poser, erra, false},
+		{poser, errb, false},
+		{poser, erro, false},
+		{poser, errco, false},
+		{errorUncomparable{}, errorUncomparable{}, true},
+		{errorUncomparable{}, &errorUncomparable{}, false},
+		{&errorUncomparable{}, errorUncomparable{}, true},
+		{&errorUncomparable{}, &errorUncomparable{}, false},
+		{errorUncomparable{}, err1, false},
+		{&errorUncomparable{}, err1, false},
+	}
+	for _, tc := range testCases {
+		t.Run("", func(t *testing.T) {
+			if got := xerrors.Is(tc.err, tc.target); got != tc.match {
+				t.Errorf("Is(%v, %v) = %v, want %v", tc.err, tc.target, got, tc.match)
+			}
+		})
+	}
+}
+
+type poser struct {
+	msg string
+	f   func(error) bool
+}
+
+func (p *poser) Error() string     { return p.msg }
+func (p *poser) Is(err error) bool { return p.f(err) }
+func (p *poser) As(err interface{}) bool {
+	switch x := err.(type) {
+	case **poser:
+		*x = p
+	case *errorT:
+		*x = errorT{}
+	case **os.PathError:
+		*x = &os.PathError{}
+	default:
+		return false
+	}
+	return true
+}
+
+func TestAs(t *testing.T) {
+	var errT errorT
+	var errP *os.PathError
+	var timeout interface{ Timeout() bool }
+	var p *poser
+	_, errF := os.Open("non-existing")
+
+	testCases := []struct {
+		err    error
+		target interface{}
+		match  bool
+	}{{
+		nil,
+		&errP,
+		false,
+	}, {
+		xerrors.Errorf("pittied the fool: %w", errorT{}),
+		&errT,
+		true,
+	}, {
+		errF,
+		&errP,
+		true,
+	}, {
+		xerrors.Opaque(errT),
+		&errT,
+		false,
+	}, {
+		errorT{},
+		&errP,
+		false,
+	}, {
+		errWrap{nil},
+		&errT,
+		false,
+	}, {
+		&poser{"error", nil},
+		&errT,
+		true,
+	}, {
+		&poser{"path", nil},
+		&errP,
+		true,
+	}, {
+		&poser{"oh no", nil},
+		&p,
+		true,
+	}, {
+		xerrors.New("err"),
+		&timeout,
+		false,
+	}, {
+		errF,
+		&timeout,
+		true,
+	}, {
+		xerrors.Errorf("path error: %w", errF),
+		&timeout,
+		true,
+	}}
+	for i, tc := range testCases {
+		name := fmt.Sprintf("%d:As(Errorf(..., %v), %v)", i, tc.err, tc.target)
+		t.Run(name, func(t *testing.T) {
+			match := xerrors.As(tc.err, tc.target)
+			if match != tc.match {
+				t.Fatalf("xerrors.As(%T, %T): got %v; want %v", tc.err, tc.target, match, tc.match)
+			}
+			if !match {
+				return
+			}
+			if tc.target == nil {
+				t.Fatalf("non-nil result after match")
+			}
+		})
+	}
+}
+
+func TestAsValidation(t *testing.T) {
+	var s string
+	testCases := []interface{}{
+		nil,
+		(*int)(nil),
+		"error",
+		&s,
+	}
+	err := xerrors.New("error")
+	for _, tc := range testCases {
+		t.Run(fmt.Sprintf("%T(%v)", tc, tc), func(t *testing.T) {
+			defer func() {
+				recover()
+			}()
+			if xerrors.As(err, tc) {
+				t.Errorf("As(err, %T(%v)) = true, want false", tc, tc)
+				return
+			}
+			t.Errorf("As(err, %T(%v)) did not panic", tc, tc)
+		})
+	}
+}
+
+func TestUnwrap(t *testing.T) {
+	err1 := xerrors.New("1")
+	erra := xerrors.Errorf("wrap 2: %w", err1)
+	erro := xerrors.Opaque(err1)
+
+	testCases := []struct {
+		err  error
+		want error
+	}{
+		{nil, nil},
+		{errWrap{nil}, nil},
+		{err1, nil},
+		{erra, err1},
+		{xerrors.Errorf("wrap 3: %w", erra), erra},
+
+		{erro, nil},
+		{xerrors.Errorf("opaque: %w", erro), erro},
+	}
+	for _, tc := range testCases {
+		if got := xerrors.Unwrap(tc.err); got != tc.want {
+			t.Errorf("Unwrap(%v) = %v, want %v", tc.err, got, tc.want)
+		}
+	}
+}
+
+func TestOpaque(t *testing.T) {
+	got := fmt.Sprintf("%v", xerrors.Errorf("foo: %v", xerrors.Opaque(errorT{})))
+	want := "foo: errorT"
+	if got != want {
+		t.Errorf("error without Format: got %v; want %v", got, want)
+	}
+
+	got = fmt.Sprintf("%v", xerrors.Errorf("foo: %v", xerrors.Opaque(errorD{})))
+	want = "foo: errorD"
+	if got != want {
+		t.Errorf("error with Format: got %v; want %v", got, want)
+	}
+}
+
+type errorT struct{}
+
+func (errorT) Error() string { return "errorT" }
+
+type errorD struct{}
+
+func (errorD) Error() string { return "errorD" }
+
+func (errorD) FormatError(p xerrors.Printer) error {
+	p.Print("errorD")
+	p.Detail()
+	p.Print("detail")
+	return nil
+}
+
+type errWrap struct{ error }
+
+func (errWrap) Error() string { return "wrapped" }
+
+func (errWrap) Unwrap() error { return nil }
+
+type errorUncomparable struct {
+	f []string
+}
+
+func (errorUncomparable) Error() string {
+	return "uncomparable error"
+}
+
+func (errorUncomparable) Is(target error) bool {
+	_, ok := target.(errorUncomparable)
+	return ok
+}