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// Copyright 2015 Aaron Jacobs. All Rights Reserved.
// Author: aaronjjacobs@gmail.com (Aaron Jacobs)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package oglemock_test
import (
"io"
"os"
"reflect"
"testing"
. "github.com/smartystreets/assertions/internal/oglematchers"
"github.com/smartystreets/assertions/internal/oglemock"
. "github.com/smartystreets/assertions/internal/ogletest"
)
func TestSaveArg(t *testing.T) { RunTests(t) }
////////////////////////////////////////////////////////////
// Boilerplate
////////////////////////////////////////////////////////////
type SaveArgTest struct {
}
func init() { RegisterTestSuite(&SaveArgTest{}) }
////////////////////////////////////////////////////////////
// Test functions
////////////////////////////////////////////////////////////
func (t *SaveArgTest) FunctionHasNoArguments() {
const index = 0
var dst int
f := func() (int, string) { return 0, "" }
err := oglemock.SaveArg(index, &dst).SetSignature(reflect.TypeOf(f))
ExpectThat(err, Error(HasSubstr("index 0")))
ExpectThat(err, Error(HasSubstr("Out of range")))
ExpectThat(err, Error(HasSubstr("func() (int, string)")))
}
func (t *SaveArgTest) ArgumentIndexOutOfRange() {
const index = 2
var dst int
f := func(a int, b int) {}
err := oglemock.SaveArg(index, &dst).SetSignature(reflect.TypeOf(f))
ExpectThat(err, Error(HasSubstr("index 2")))
ExpectThat(err, Error(HasSubstr("Out of range")))
ExpectThat(err, Error(HasSubstr("func(int, int)")))
}
func (t *SaveArgTest) DestinationIsLiteralNil() {
const index = 0
f := func(a int, b int) {}
err := oglemock.SaveArg(index, nil).SetSignature(reflect.TypeOf(f))
ExpectThat(err, Error(HasSubstr("not a pointer")))
}
func (t *SaveArgTest) DestinationIsNotAPointer() {
const index = 0
f := func(a int, b int) {}
err := oglemock.SaveArg(index, uint(17)).SetSignature(reflect.TypeOf(f))
ExpectThat(err, Error(HasSubstr("pointer")))
ExpectThat(err, Error(HasSubstr("uint")))
}
func (t *SaveArgTest) DestinationIsNilPointer() {
const index = 1
var dst *int
f := func(a int, b int) {}
err := oglemock.SaveArg(index, dst).SetSignature(reflect.TypeOf(f))
ExpectThat(err, Error(HasSubstr("pointer")))
ExpectThat(err, Error(HasSubstr("non-nil")))
}
func (t *SaveArgTest) DestinationNotAssignableFromSource() {
const index = 1
var dst int
f := func(a int, b string) {}
err := oglemock.SaveArg(index, &dst).SetSignature(reflect.TypeOf(f))
ExpectThat(err, Error(HasSubstr("int")))
ExpectThat(err, Error(HasSubstr("assignable")))
ExpectThat(err, Error(HasSubstr("string")))
}
func (t *SaveArgTest) ExactTypeMatch() {
const index = 1
var dst int
f := func(a int, b int) {}
action := oglemock.SaveArg(index, &dst)
AssertEq(nil, action.SetSignature(reflect.TypeOf(f)))
var a int = 17
var b int = 19
_ = action.Invoke([]interface{}{a, b})
ExpectEq(19, dst)
}
func (t *SaveArgTest) AssignableTypeMatch() {
const index = 1
var dst io.Reader
f := func(a int, b *os.File) {}
action := oglemock.SaveArg(index, &dst)
AssertEq(nil, action.SetSignature(reflect.TypeOf(f)))
var a int = 17
var b *os.File = os.Stdout
_ = action.Invoke([]interface{}{a, b})
ExpectEq(os.Stdout, dst)
}
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