mirror of
https://github.com/autc04/Retro68.git
synced 2024-09-08 20:55:01 +00:00
328 lines
9.0 KiB
Go
328 lines
9.0 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package quick
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import (
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"math/rand"
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"reflect"
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"testing"
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)
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func fArray(a [4]byte) [4]byte { return a }
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type TestArrayAlias [4]byte
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func fArrayAlias(a TestArrayAlias) TestArrayAlias { return a }
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func fBool(a bool) bool { return a }
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type TestBoolAlias bool
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func fBoolAlias(a TestBoolAlias) TestBoolAlias { return a }
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func fFloat32(a float32) float32 { return a }
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type TestFloat32Alias float32
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func fFloat32Alias(a TestFloat32Alias) TestFloat32Alias { return a }
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func fFloat64(a float64) float64 { return a }
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type TestFloat64Alias float64
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func fFloat64Alias(a TestFloat64Alias) TestFloat64Alias { return a }
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func fComplex64(a complex64) complex64 { return a }
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type TestComplex64Alias complex64
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func fComplex64Alias(a TestComplex64Alias) TestComplex64Alias { return a }
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func fComplex128(a complex128) complex128 { return a }
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type TestComplex128Alias complex128
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func fComplex128Alias(a TestComplex128Alias) TestComplex128Alias { return a }
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func fInt16(a int16) int16 { return a }
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type TestInt16Alias int16
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func fInt16Alias(a TestInt16Alias) TestInt16Alias { return a }
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func fInt32(a int32) int32 { return a }
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type TestInt32Alias int32
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func fInt32Alias(a TestInt32Alias) TestInt32Alias { return a }
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func fInt64(a int64) int64 { return a }
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type TestInt64Alias int64
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func fInt64Alias(a TestInt64Alias) TestInt64Alias { return a }
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func fInt8(a int8) int8 { return a }
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type TestInt8Alias int8
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func fInt8Alias(a TestInt8Alias) TestInt8Alias { return a }
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func fInt(a int) int { return a }
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type TestIntAlias int
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func fIntAlias(a TestIntAlias) TestIntAlias { return a }
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func fMap(a map[int]int) map[int]int { return a }
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type TestMapAlias map[int]int
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func fMapAlias(a TestMapAlias) TestMapAlias { return a }
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func fPtr(a *int) *int {
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if a == nil {
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return nil
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}
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b := *a
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return &b
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}
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type TestPtrAlias *int
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func fPtrAlias(a TestPtrAlias) TestPtrAlias { return a }
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func fSlice(a []byte) []byte { return a }
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type TestSliceAlias []byte
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func fSliceAlias(a TestSliceAlias) TestSliceAlias { return a }
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func fString(a string) string { return a }
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type TestStringAlias string
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func fStringAlias(a TestStringAlias) TestStringAlias { return a }
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type TestStruct struct {
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A int
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B string
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}
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func fStruct(a TestStruct) TestStruct { return a }
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type TestStructAlias TestStruct
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func fStructAlias(a TestStructAlias) TestStructAlias { return a }
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func fUint16(a uint16) uint16 { return a }
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type TestUint16Alias uint16
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func fUint16Alias(a TestUint16Alias) TestUint16Alias { return a }
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func fUint32(a uint32) uint32 { return a }
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type TestUint32Alias uint32
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func fUint32Alias(a TestUint32Alias) TestUint32Alias { return a }
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func fUint64(a uint64) uint64 { return a }
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type TestUint64Alias uint64
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func fUint64Alias(a TestUint64Alias) TestUint64Alias { return a }
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func fUint8(a uint8) uint8 { return a }
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type TestUint8Alias uint8
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func fUint8Alias(a TestUint8Alias) TestUint8Alias { return a }
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func fUint(a uint) uint { return a }
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type TestUintAlias uint
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func fUintAlias(a TestUintAlias) TestUintAlias { return a }
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func fUintptr(a uintptr) uintptr { return a }
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type TestUintptrAlias uintptr
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func fUintptrAlias(a TestUintptrAlias) TestUintptrAlias { return a }
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func reportError(property string, err error, t *testing.T) {
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if err != nil {
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t.Errorf("%s: %s", property, err)
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}
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}
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func TestCheckEqual(t *testing.T) {
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reportError("fArray", CheckEqual(fArray, fArray, nil), t)
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reportError("fArrayAlias", CheckEqual(fArrayAlias, fArrayAlias, nil), t)
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reportError("fBool", CheckEqual(fBool, fBool, nil), t)
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reportError("fBoolAlias", CheckEqual(fBoolAlias, fBoolAlias, nil), t)
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reportError("fFloat32", CheckEqual(fFloat32, fFloat32, nil), t)
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reportError("fFloat32Alias", CheckEqual(fFloat32Alias, fFloat32Alias, nil), t)
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reportError("fFloat64", CheckEqual(fFloat64, fFloat64, nil), t)
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reportError("fFloat64Alias", CheckEqual(fFloat64Alias, fFloat64Alias, nil), t)
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reportError("fComplex64", CheckEqual(fComplex64, fComplex64, nil), t)
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reportError("fComplex64Alias", CheckEqual(fComplex64Alias, fComplex64Alias, nil), t)
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reportError("fComplex128", CheckEqual(fComplex128, fComplex128, nil), t)
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reportError("fComplex128Alias", CheckEqual(fComplex128Alias, fComplex128Alias, nil), t)
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reportError("fInt16", CheckEqual(fInt16, fInt16, nil), t)
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reportError("fInt16Alias", CheckEqual(fInt16Alias, fInt16Alias, nil), t)
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reportError("fInt32", CheckEqual(fInt32, fInt32, nil), t)
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reportError("fInt32Alias", CheckEqual(fInt32Alias, fInt32Alias, nil), t)
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reportError("fInt64", CheckEqual(fInt64, fInt64, nil), t)
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reportError("fInt64Alias", CheckEqual(fInt64Alias, fInt64Alias, nil), t)
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reportError("fInt8", CheckEqual(fInt8, fInt8, nil), t)
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reportError("fInt8Alias", CheckEqual(fInt8Alias, fInt8Alias, nil), t)
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reportError("fInt", CheckEqual(fInt, fInt, nil), t)
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reportError("fIntAlias", CheckEqual(fIntAlias, fIntAlias, nil), t)
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reportError("fInt32", CheckEqual(fInt32, fInt32, nil), t)
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reportError("fInt32Alias", CheckEqual(fInt32Alias, fInt32Alias, nil), t)
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reportError("fMap", CheckEqual(fMap, fMap, nil), t)
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reportError("fMapAlias", CheckEqual(fMapAlias, fMapAlias, nil), t)
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reportError("fPtr", CheckEqual(fPtr, fPtr, nil), t)
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reportError("fPtrAlias", CheckEqual(fPtrAlias, fPtrAlias, nil), t)
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reportError("fSlice", CheckEqual(fSlice, fSlice, nil), t)
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reportError("fSliceAlias", CheckEqual(fSliceAlias, fSliceAlias, nil), t)
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reportError("fString", CheckEqual(fString, fString, nil), t)
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reportError("fStringAlias", CheckEqual(fStringAlias, fStringAlias, nil), t)
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reportError("fStruct", CheckEqual(fStruct, fStruct, nil), t)
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reportError("fStructAlias", CheckEqual(fStructAlias, fStructAlias, nil), t)
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reportError("fUint16", CheckEqual(fUint16, fUint16, nil), t)
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reportError("fUint16Alias", CheckEqual(fUint16Alias, fUint16Alias, nil), t)
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reportError("fUint32", CheckEqual(fUint32, fUint32, nil), t)
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reportError("fUint32Alias", CheckEqual(fUint32Alias, fUint32Alias, nil), t)
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reportError("fUint64", CheckEqual(fUint64, fUint64, nil), t)
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reportError("fUint64Alias", CheckEqual(fUint64Alias, fUint64Alias, nil), t)
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reportError("fUint8", CheckEqual(fUint8, fUint8, nil), t)
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reportError("fUint8Alias", CheckEqual(fUint8Alias, fUint8Alias, nil), t)
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reportError("fUint", CheckEqual(fUint, fUint, nil), t)
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reportError("fUintAlias", CheckEqual(fUintAlias, fUintAlias, nil), t)
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reportError("fUintptr", CheckEqual(fUintptr, fUintptr, nil), t)
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reportError("fUintptrAlias", CheckEqual(fUintptrAlias, fUintptrAlias, nil), t)
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}
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// This tests that ArbitraryValue is working by checking that all the arbitrary
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// values of type MyStruct have x = 42.
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type myStruct struct {
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x int
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}
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func (m myStruct) Generate(r *rand.Rand, _ int) reflect.Value {
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return reflect.ValueOf(myStruct{x: 42})
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}
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func myStructProperty(in myStruct) bool { return in.x == 42 }
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func TestCheckProperty(t *testing.T) {
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reportError("myStructProperty", Check(myStructProperty, nil), t)
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}
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func TestFailure(t *testing.T) {
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f := func(x int) bool { return false }
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err := Check(f, nil)
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if err == nil {
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t.Errorf("Check didn't return an error")
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}
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if _, ok := err.(*CheckError); !ok {
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t.Errorf("Error was not a CheckError: %s", err)
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}
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err = CheckEqual(fUint, fUint32, nil)
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if err == nil {
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t.Errorf("#1 CheckEqual didn't return an error")
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}
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if _, ok := err.(SetupError); !ok {
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t.Errorf("#1 Error was not a SetupError: %s", err)
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}
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err = CheckEqual(func(x, y int) {}, func(x int) {}, nil)
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if err == nil {
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t.Errorf("#2 CheckEqual didn't return an error")
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}
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if _, ok := err.(SetupError); !ok {
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t.Errorf("#2 Error was not a SetupError: %s", err)
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}
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err = CheckEqual(func(x int) int { return 0 }, func(x int) int32 { return 0 }, nil)
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if err == nil {
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t.Errorf("#3 CheckEqual didn't return an error")
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}
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if _, ok := err.(SetupError); !ok {
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t.Errorf("#3 Error was not a SetupError: %s", err)
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}
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}
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// Recursive data structures didn't terminate.
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// Issues 8818 and 11148.
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func TestRecursive(t *testing.T) {
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type R struct {
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Ptr *R
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SliceP []*R
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Slice []R
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Map map[int]R
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MapP map[int]*R
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MapR map[*R]*R
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SliceMap []map[int]R
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}
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f := func(r R) bool { return true }
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Check(f, nil)
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}
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func TestEmptyStruct(t *testing.T) {
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f := func(struct{}) bool { return true }
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Check(f, nil)
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}
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type (
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A struct{ B *B }
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B struct{ A *A }
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)
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func TestMutuallyRecursive(t *testing.T) {
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f := func(a A) bool { return true }
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Check(f, nil)
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}
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// Some serialization formats (e.g. encoding/pem) cannot distinguish
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// between a nil and an empty map or slice, so avoid generating the
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// zero value for these.
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func TestNonZeroSliceAndMap(t *testing.T) {
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type Q struct {
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M map[int]int
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S []int
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}
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f := func(q Q) bool {
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return q.M != nil && q.S != nil
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}
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err := Check(f, nil)
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestInt64(t *testing.T) {
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var lo, hi int64
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f := func(x int64) bool {
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if x < lo {
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lo = x
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}
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if x > hi {
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hi = x
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}
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return true
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}
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cfg := &Config{MaxCount: 100000}
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Check(f, cfg)
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if uint64(lo)>>62 == 0 || uint64(hi)>>62 == 0 {
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t.Errorf("int64 returned range %#016x,%#016x; does not look like full range", lo, hi)
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}
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}
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