1 files changed, 327 insertions, 0 deletions
diff --git a/src/testing/quick/quick_test.go b/src/testing/quick/quick_test.go
new file mode 100644
index 0000000..9df6dd4
--- /dev/null
+++ b/src/testing/quick/quick_test.go
@@ -0,0 +1,327 @@
+// 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: 10000}
+	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)
+	}
+}