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// Copyright 2009 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 quick
import (
"rand"
"reflect"
"testing"
"os"
)
func fBool(a bool) bool { return a }
func fFloat32(a float32) float32 { return a }
func fFloat64(a float64) float64 { return a }
func fComplex64(a complex64) complex64 { return a }
func fComplex128(a complex128) complex128 { return a }
func fInt16(a int16) int16 { return a }
func fInt32(a int32) int32 { return a }
func fInt64(a int64) int64 { return a }
func fInt8(a int8) int8 { return a }
func fInt(a int) int { return a }
func fUInt8(a uint8) uint8 { return a }
func fMap(a map[int]int) map[int]int { return a }
func fSlice(a []byte) []byte { return a }
func fString(a string) string { return a }
type TestStruct struct {
A int
B string
}
func fStruct(a TestStruct) TestStruct { return a }
func fUint16(a uint16) uint16 { return a }
func fUint32(a uint32) uint32 { return a }
func fUint64(a uint64) uint64 { return a }
func fUint8(a uint8) uint8 { return a }
func fUint(a uint) uint { return a }
func fUintptr(a uintptr) uintptr { return a }
func fIntptr(a *int) *int {
b := *a
return &b
}
func reportError(property string, err os.Error, t *testing.T) {
if err != nil {
t.Errorf("%s: %s", property, err)
}
}
func TestCheckEqual(t *testing.T) {
reportError("fBool", CheckEqual(fBool, fBool, nil), t)
reportError("fFloat32", CheckEqual(fFloat32, fFloat32, nil), t)
reportError("fFloat64", CheckEqual(fFloat64, fFloat64, nil), t)
reportError("fComplex64", CheckEqual(fComplex64, fComplex64, nil), t)
reportError("fComplex128", CheckEqual(fComplex128, fComplex128, nil), t)
reportError("fInt16", CheckEqual(fInt16, fInt16, nil), t)
reportError("fInt32", CheckEqual(fInt32, fInt32, nil), t)
reportError("fInt64", CheckEqual(fInt64, fInt64, nil), t)
reportError("fInt8", CheckEqual(fInt8, fInt8, nil), t)
reportError("fInt", CheckEqual(fInt, fInt, nil), t)
reportError("fUInt8", CheckEqual(fUInt8, fUInt8, nil), t)
reportError("fInt32", CheckEqual(fInt32, fInt32, nil), t)
reportError("fMap", CheckEqual(fMap, fMap, nil), t)
reportError("fSlice", CheckEqual(fSlice, fSlice, nil), t)
reportError("fString", CheckEqual(fString, fString, nil), t)
reportError("fStruct", CheckEqual(fStruct, fStruct, nil), t)
reportError("fUint16", CheckEqual(fUint16, fUint16, nil), t)
reportError("fUint32", CheckEqual(fUint32, fUint32, nil), t)
reportError("fUint64", CheckEqual(fUint64, fUint64, nil), t)
reportError("fUint8", CheckEqual(fUint8, fUint8, nil), t)
reportError("fUint", CheckEqual(fUint, fUint, nil), t)
reportError("fUintptr", CheckEqual(fUintptr, fUintptr, nil), t)
reportError("fIntptr", CheckEqual(fIntptr, fIntptr, nil), t)
}
// This tests that ArbitraryValue is working by checking that all the arbitrary
// values of type MyStruct have x = 42.
type myStruct struct {
x int
}
func (m myStruct) Generate(r *rand.Rand, _ int) reflect.Value {
return reflect.NewValue(myStruct{x: 42})
}
func myStructProperty(in myStruct) bool { return in.x == 42 }
func TestCheckProperty(t *testing.T) {
reportError("myStructProperty", Check(myStructProperty, nil), t)
}
func TestFailure(t *testing.T) {
f := func(x int) bool { return false }
err := Check(f, nil)
if err == nil {
t.Errorf("Check didn't return an error")
}
if _, ok := err.(*CheckError); !ok {
t.Errorf("Error was not a CheckError: %s", err)
}
err = CheckEqual(fUint, fUint32, nil)
if err == nil {
t.Errorf("#1 CheckEqual didn't return an error")
}
if _, ok := err.(SetupError); !ok {
t.Errorf("#1 Error was not a SetupError: %s", err)
}
err = CheckEqual(func(x, y int) {}, func(x int) {}, nil)
if err == nil {
t.Errorf("#2 CheckEqual didn't return an error")
}
if _, ok := err.(SetupError); !ok {
t.Errorf("#2 Error was not a SetupError: %s", err)
}
err = CheckEqual(func(x int) int { return 0 }, func(x int) int32 { return 0 }, nil)
if err == nil {
t.Errorf("#3 CheckEqual didn't return an error")
}
if _, ok := err.(SetupError); !ok {
t.Errorf("#3 Error was not a SetupError: %s", err)
}
}
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