| // 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 ( |
| "math/rand" |
| "reflect" |
| "testing" |
| ) |
| |
| func fArray(a [4]byte) [4]byte { return a } |
| |
| type TestArrayAlias [4]byte |
| |
| func fArrayAlias(a TestArrayAlias) TestArrayAlias { return a } |
| |
| func fBool(a bool) bool { return a } |
| |
| type TestBoolAlias bool |
| |
| func fBoolAlias(a TestBoolAlias) TestBoolAlias { return a } |
| |
| func fFloat32(a float32) float32 { return a } |
| |
| type TestFloat32Alias float32 |
| |
| func fFloat32Alias(a TestFloat32Alias) TestFloat32Alias { return a } |
| |
| func fFloat64(a float64) float64 { return a } |
| |
| type TestFloat64Alias float64 |
| |
| func fFloat64Alias(a TestFloat64Alias) TestFloat64Alias { return a } |
| |
| func fComplex64(a complex64) complex64 { return a } |
| |
| type TestComplex64Alias complex64 |
| |
| func fComplex64Alias(a TestComplex64Alias) TestComplex64Alias { return a } |
| |
| func fComplex128(a complex128) complex128 { return a } |
| |
| type TestComplex128Alias complex128 |
| |
| func fComplex128Alias(a TestComplex128Alias) TestComplex128Alias { return a } |
| |
| func fInt16(a int16) int16 { return a } |
| |
| type TestInt16Alias int16 |
| |
| func fInt16Alias(a TestInt16Alias) TestInt16Alias { return a } |
| |
| func fInt32(a int32) int32 { return a } |
| |
| type TestInt32Alias int32 |
| |
| func fInt32Alias(a TestInt32Alias) TestInt32Alias { return a } |
| |
| func fInt64(a int64) int64 { return a } |
| |
| type TestInt64Alias int64 |
| |
| func fInt64Alias(a TestInt64Alias) TestInt64Alias { return a } |
| |
| func fInt8(a int8) int8 { return a } |
| |
| type TestInt8Alias int8 |
| |
| func fInt8Alias(a TestInt8Alias) TestInt8Alias { return a } |
| |
| func fInt(a int) int { return a } |
| |
| type TestIntAlias int |
| |
| func fIntAlias(a TestIntAlias) TestIntAlias { return a } |
| |
| func fMap(a map[int]int) map[int]int { return a } |
| |
| type TestMapAlias map[int]int |
| |
| func fMapAlias(a TestMapAlias) TestMapAlias { return a } |
| |
| func fPtr(a *int) *int { |
| if a == nil { |
| return nil |
| } |
| b := *a |
| return &b |
| } |
| |
| type TestPtrAlias *int |
| |
| func fPtrAlias(a TestPtrAlias) TestPtrAlias { return a } |
| |
| func fSlice(a []byte) []byte { return a } |
| |
| type TestSliceAlias []byte |
| |
| func fSliceAlias(a TestSliceAlias) TestSliceAlias { return a } |
| |
| func fString(a string) string { return a } |
| |
| type TestStringAlias string |
| |
| func fStringAlias(a TestStringAlias) TestStringAlias { return a } |
| |
| type TestStruct struct { |
| A int |
| B string |
| } |
| |
| func fStruct(a TestStruct) TestStruct { return a } |
| |
| type TestStructAlias TestStruct |
| |
| func fStructAlias(a TestStructAlias) TestStructAlias { return a } |
| |
| func fUint16(a uint16) uint16 { return a } |
| |
| type TestUint16Alias uint16 |
| |
| func fUint16Alias(a TestUint16Alias) TestUint16Alias { return a } |
| |
| func fUint32(a uint32) uint32 { return a } |
| |
| type TestUint32Alias uint32 |
| |
| func fUint32Alias(a TestUint32Alias) TestUint32Alias { return a } |
| |
| func fUint64(a uint64) uint64 { return a } |
| |
| type TestUint64Alias uint64 |
| |
| func fUint64Alias(a TestUint64Alias) TestUint64Alias { return a } |
| |
| func fUint8(a uint8) uint8 { return a } |
| |
| type TestUint8Alias uint8 |
| |
| func fUint8Alias(a TestUint8Alias) TestUint8Alias { return a } |
| |
| func fUint(a uint) uint { return a } |
| |
| type TestUintAlias uint |
| |
| func fUintAlias(a TestUintAlias) TestUintAlias { return a } |
| |
| func fUintptr(a uintptr) uintptr { return a } |
| |
| type TestUintptrAlias uintptr |
| |
| func fUintptrAlias(a TestUintptrAlias) TestUintptrAlias { return a } |
| |
| func reportError(property string, err error, t *testing.T) { |
| if err != nil { |
| t.Errorf("%s: %s", property, err) |
| } |
| } |
| |
| func TestCheckEqual(t *testing.T) { |
| reportError("fArray", CheckEqual(fArray, fArray, nil), t) |
| reportError("fArrayAlias", CheckEqual(fArrayAlias, fArrayAlias, nil), t) |
| reportError("fBool", CheckEqual(fBool, fBool, nil), t) |
| reportError("fBoolAlias", CheckEqual(fBoolAlias, fBoolAlias, nil), t) |
| reportError("fFloat32", CheckEqual(fFloat32, fFloat32, nil), t) |
| reportError("fFloat32Alias", CheckEqual(fFloat32Alias, fFloat32Alias, nil), t) |
| reportError("fFloat64", CheckEqual(fFloat64, fFloat64, nil), t) |
| reportError("fFloat64Alias", CheckEqual(fFloat64Alias, fFloat64Alias, nil), t) |
| reportError("fComplex64", CheckEqual(fComplex64, fComplex64, nil), t) |
| reportError("fComplex64Alias", CheckEqual(fComplex64Alias, fComplex64Alias, nil), t) |
| reportError("fComplex128", CheckEqual(fComplex128, fComplex128, nil), t) |
| reportError("fComplex128Alias", CheckEqual(fComplex128Alias, fComplex128Alias, nil), t) |
| reportError("fInt16", CheckEqual(fInt16, fInt16, nil), t) |
| reportError("fInt16Alias", CheckEqual(fInt16Alias, fInt16Alias, nil), t) |
| reportError("fInt32", CheckEqual(fInt32, fInt32, nil), t) |
| reportError("fInt32Alias", CheckEqual(fInt32Alias, fInt32Alias, nil), t) |
| reportError("fInt64", CheckEqual(fInt64, fInt64, nil), t) |
| reportError("fInt64Alias", CheckEqual(fInt64Alias, fInt64Alias, nil), t) |
| reportError("fInt8", CheckEqual(fInt8, fInt8, nil), t) |
| reportError("fInt8Alias", CheckEqual(fInt8Alias, fInt8Alias, nil), t) |
| reportError("fInt", CheckEqual(fInt, fInt, nil), t) |
| reportError("fIntAlias", CheckEqual(fIntAlias, fIntAlias, nil), t) |
| reportError("fInt32", CheckEqual(fInt32, fInt32, nil), t) |
| reportError("fInt32Alias", CheckEqual(fInt32Alias, fInt32Alias, nil), t) |
| reportError("fMap", CheckEqual(fMap, fMap, nil), t) |
| reportError("fMapAlias", CheckEqual(fMapAlias, fMapAlias, nil), t) |
| reportError("fPtr", CheckEqual(fPtr, fPtr, nil), t) |
| reportError("fPtrAlias", CheckEqual(fPtrAlias, fPtrAlias, nil), t) |
| reportError("fSlice", CheckEqual(fSlice, fSlice, nil), t) |
| reportError("fSliceAlias", CheckEqual(fSliceAlias, fSliceAlias, nil), t) |
| reportError("fString", CheckEqual(fString, fString, nil), t) |
| reportError("fStringAlias", CheckEqual(fStringAlias, fStringAlias, nil), t) |
| reportError("fStruct", CheckEqual(fStruct, fStruct, nil), t) |
| reportError("fStructAlias", CheckEqual(fStructAlias, fStructAlias, nil), t) |
| reportError("fUint16", CheckEqual(fUint16, fUint16, nil), t) |
| reportError("fUint16Alias", CheckEqual(fUint16Alias, fUint16Alias, nil), t) |
| reportError("fUint32", CheckEqual(fUint32, fUint32, nil), t) |
| reportError("fUint32Alias", CheckEqual(fUint32Alias, fUint32Alias, nil), t) |
| reportError("fUint64", CheckEqual(fUint64, fUint64, nil), t) |
| reportError("fUint64Alias", CheckEqual(fUint64Alias, fUint64Alias, nil), t) |
| reportError("fUint8", CheckEqual(fUint8, fUint8, nil), t) |
| reportError("fUint8Alias", CheckEqual(fUint8Alias, fUint8Alias, nil), t) |
| reportError("fUint", CheckEqual(fUint, fUint, nil), t) |
| reportError("fUintAlias", CheckEqual(fUintAlias, fUintAlias, nil), t) |
| reportError("fUintptr", CheckEqual(fUintptr, fUintptr, nil), t) |
| reportError("fUintptrAlias", CheckEqual(fUintptrAlias, fUintptrAlias, 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.ValueOf(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) |
| } |
| } |
| |
| // Recursive data structures didn't terminate. |
| // Issues 8818 and 11148. |
| func TestRecursive(t *testing.T) { |
| type R struct { |
| Ptr *R |
| SliceP []*R |
| Slice []R |
| Map map[int]R |
| MapP map[int]*R |
| MapR map[*R]*R |
| SliceMap []map[int]R |
| } |
| |
| f := func(r R) bool { return true } |
| Check(f, nil) |
| } |
| |
| func TestEmptyStruct(t *testing.T) { |
| f := func(struct{}) bool { return true } |
| Check(f, nil) |
| } |
| |
| type ( |
| A struct{ B *B } |
| B struct{ A *A } |
| ) |
| |
| func TestMutuallyRecursive(t *testing.T) { |
| f := func(a A) bool { return true } |
| Check(f, nil) |
| } |
| |
| // Some serialization formats (e.g. encoding/pem) cannot distinguish |
| // between a nil and an empty map or slice, so avoid generating the |
| // zero value for these. |
| func TestNonZeroSliceAndMap(t *testing.T) { |
| type Q struct { |
| M map[int]int |
| S []int |
| } |
| f := func(q Q) bool { |
| return q.M != nil && q.S != nil |
| } |
| err := Check(f, nil) |
| if err != nil { |
| t.Fatal(err) |
| } |
| } |
| |
| func TestInt64(t *testing.T) { |
| var lo, hi int64 |
| f := func(x int64) bool { |
| if x < lo { |
| lo = x |
| } |
| if x > hi { |
| hi = x |
| } |
| return true |
| } |
| cfg := &Config{MaxCount: 100000} |
| Check(f, cfg) |
| if uint64(lo)>>62 == 0 || uint64(hi)>>62 == 0 { |
| t.Errorf("int64 returned range %#016x,%#016x; does not look like full range", lo, hi) |
| } |
| } |
