| // Copyright 2015 The Vanadium 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 opconst |
| |
| import ( |
| "fmt" |
| "math/big" |
| "testing" |
| |
| "v.io/v23/vdl" |
| ) |
| |
| const ( |
| noType = "must be assigned a type" |
| cantConvert = "can't convert" |
| overflows = "overflows" |
| underflows = "underflows" |
| losesPrecision = "loses precision" |
| nonzeroImaginary = "nonzero imaginary" |
| notSupported = "not supported" |
| divByZero = "divide by zero" |
| ) |
| |
| var ( |
| bi0 = new(big.Int) |
| bi1, bi2, bi3 = big.NewInt(1), big.NewInt(2), big.NewInt(3) |
| bi4, bi5, bi6 = big.NewInt(4), big.NewInt(5), big.NewInt(6) |
| bi7, bi8, bi9 = big.NewInt(7), big.NewInt(8), big.NewInt(9) |
| bi_neg1, bi_neg2 = big.NewInt(-1), big.NewInt(-2) |
| |
| br0 = new(big.Rat) |
| br1, br2, br3 = big.NewRat(1, 1), big.NewRat(2, 1), big.NewRat(3, 1) |
| br4, br5, br6 = big.NewRat(4, 1), big.NewRat(5, 1), big.NewRat(6, 1) |
| br7, br8, br9 = big.NewRat(7, 1), big.NewRat(8, 1), big.NewRat(9, 1) |
| br_neg1, br_neg2 = big.NewRat(-1, 1), big.NewRat(-2, 1) |
| ) |
| |
| func boolConst(t *vdl.Type, x bool) Const { return FromValue(boolValue(t, x)) } |
| func stringConst(t *vdl.Type, x string) Const { return FromValue(stringValue(t, x)) } |
| func bytesConst(t *vdl.Type, x string) Const { return FromValue(bytesValue(t, x)) } |
| func bytes3Const(t *vdl.Type, x string) Const { return FromValue(bytes3Value(t, x)) } |
| func intConst(t *vdl.Type, x int64) Const { return FromValue(intValue(t, x)) } |
| func uintConst(t *vdl.Type, x uint64) Const { return FromValue(uintValue(t, x)) } |
| func floatConst(t *vdl.Type, x float64) Const { return FromValue(floatValue(t, x)) } |
| func complexConst(t *vdl.Type, x complex128) Const { return FromValue(complexValue(t, x)) } |
| func structNumConst(t *vdl.Type, x float64) Const { |
| return FromValue(structNumValue(t, sn{"A", x})) |
| } |
| |
| func constEqual(a, b Const) bool { |
| if !a.IsValid() && !b.IsValid() { |
| return true |
| } |
| res, err := EvalBinary(EQ, a, b) |
| if err != nil || !res.IsValid() { |
| return false |
| } |
| val, err := res.ToValue() |
| return err == nil && val != nil && val.Kind() == vdl.Bool && val.Bool() |
| } |
| |
| func TestConstInvalid(t *testing.T) { |
| x := Const{} |
| if x.IsValid() { |
| t.Errorf("zero Const IsValid") |
| } |
| if got, want := x.String(), "invalid"; got != want { |
| t.Errorf("ToValue got string %v, want %v", got, want) |
| } |
| { |
| value, err := x.ToValue() |
| if value != nil { |
| t.Errorf("ToValue got valid value %v, want nil", value) |
| } |
| if got, want := fmt.Sprint(err), "invalid const"; got != want { |
| t.Errorf("ToValue got error %q, want %q", got, want) |
| } |
| } |
| { |
| result, err := x.Convert(vdl.BoolType) |
| if result.IsValid() { |
| t.Errorf("Convert got valid result %v, want invalid", result) |
| } |
| if got, want := fmt.Sprint(err), "invalid const"; got != want { |
| t.Errorf("Convert got error %q, want %q", got, want) |
| } |
| } |
| unary := []UnaryOp{LogicNot, Pos, Neg, BitNot} |
| for _, op := range unary { |
| result, err := EvalUnary(op, Const{}) |
| if result.IsValid() { |
| t.Errorf("EvalUnary got valid result %v, want invalid", result) |
| } |
| if got, want := fmt.Sprint(err), "invalid const"; got != want { |
| t.Errorf("EvalUnary got error %q, want %q", got, want) |
| } |
| } |
| binary := []BinaryOp{LogicAnd, LogicOr, EQ, NE, LT, LE, GT, GE, Add, Sub, Mul, Div, Mod, BitAnd, BitOr, BitXor, LeftShift, RightShift} |
| for _, op := range binary { |
| result, err := EvalBinary(op, Const{}, Const{}) |
| if result.IsValid() { |
| t.Errorf("EvalBinary got valid result %v, want invalid", result) |
| } |
| if got, want := fmt.Sprint(err), "invalid const"; got != want { |
| t.Errorf("EvalBinary got error %q, want %q", got, want) |
| } |
| } |
| } |
| |
| func TestConstToValueOK(t *testing.T) { |
| tests := []*vdl.Value{ |
| boolValue(vdl.BoolType, true), boolValue(boolTypeN, true), |
| stringValue(vdl.StringType, "abc"), stringValue(stringTypeN, "abc"), |
| bytesValue(bytesType, "abc"), bytesValue(bytesTypeN, "abc"), |
| bytes3Value(bytesType, "abc"), bytes3Value(bytesTypeN, "abc"), |
| intValue(vdl.Int32Type, 123), intValue(int32TypeN, 123), |
| uintValue(vdl.Uint32Type, 123), uintValue(uint32TypeN, 123), |
| floatValue(vdl.Float32Type, 123), floatValue(float32TypeN, 123), |
| complexValue(vdl.Complex64Type, 123), complexValue(complex64TypeN, 123), |
| structNumValue(structAIntType, sn{"A", 123}), structNumValue(structAIntTypeN, sn{"A", 123}), |
| } |
| for _, test := range tests { |
| c := FromValue(test) |
| v, err := c.ToValue() |
| if got, want := v, test; !vdl.EqualValue(got, want) { |
| t.Errorf("%v.ToValue got %v, want %v", c, got, want) |
| } |
| expectErr(t, err, "", "%v.ToValue", c) |
| } |
| } |
| |
| func TestConstToValueImplicit(t *testing.T) { |
| tests := []struct { |
| C Const |
| V *vdl.Value |
| }{ |
| {Boolean(true), vdl.BoolValue(true)}, |
| {String("abc"), vdl.StringValue("abc")}, |
| } |
| for _, test := range tests { |
| c := FromValue(test.V) |
| if got, want := c, test.C; !constEqual(got, want) { |
| t.Errorf("FromValue(%v) got %v, want %v", test.C, got, want) |
| } |
| v, err := test.C.ToValue() |
| if got, want := v, test.V; !vdl.EqualValue(got, want) { |
| t.Errorf("%v.ToValue got %v, want %v", test.C, got, want) |
| } |
| expectErr(t, err, "", "%v.ToValue", test.C) |
| } |
| } |
| |
| func TestConstToValueError(t *testing.T) { |
| tests := []struct { |
| C Const |
| errstr string |
| }{ |
| {Integer(bi1), noType}, |
| {Rational(br1), noType}, |
| {Complex(br1, br0), noType}, |
| } |
| for _, test := range tests { |
| v, err := test.C.ToValue() |
| if v != nil { |
| t.Errorf("%v.ToValue got %v, want nil", test.C, v) |
| } |
| expectErr(t, err, test.errstr, "%v.ToValue", test.C) |
| } |
| } |
| |
| type c []Const |
| type v []*vdl.Value |
| |
| func TestConstConvertOK(t *testing.T) { |
| // Each test has a set of consts C and values V that are all convertible to |
| // each other and equivalent. |
| tests := []struct { |
| C c |
| V v |
| }{ |
| {c{Boolean(true)}, |
| v{boolValue(vdl.BoolType, true), boolValue(boolTypeN, true)}}, |
| {c{String("abc")}, |
| v{stringValue(vdl.StringType, "abc"), stringValue(stringTypeN, "abc"), |
| bytesValue(bytesType, "abc"), bytesValue(bytesTypeN, "abc"), |
| bytes3Value(bytes3Type, "abc"), bytes3Value(bytes3TypeN, "abc")}}, |
| {c{Integer(bi1), Rational(br1), Complex(br1, br0)}, |
| v{intValue(vdl.Int32Type, 1), intValue(int32TypeN, 1), |
| uintValue(vdl.Uint32Type, 1), uintValue(uint32TypeN, 1), |
| floatValue(vdl.Float32Type, 1), floatValue(float32TypeN, 1), |
| complexValue(vdl.Complex64Type, 1), complexValue(complex64TypeN, 1)}}, |
| {c{Integer(bi_neg1), Rational(br_neg1), Complex(br_neg1, br0)}, |
| v{intValue(vdl.Int32Type, -1), intValue(int32TypeN, -1), |
| floatValue(vdl.Float32Type, -1), floatValue(float32TypeN, -1), |
| complexValue(vdl.Complex64Type, -1), complexValue(complex64TypeN, -1)}}, |
| {c{Rational(big.NewRat(1, 2)), Complex(big.NewRat(1, 2), br0)}, |
| v{floatValue(vdl.Float32Type, 0.5), floatValue(float32TypeN, 0.5), |
| complexValue(vdl.Complex64Type, 0.5), complexValue(complex64TypeN, 0.5)}}, |
| {c{Complex(br1, br1)}, |
| v{complexValue(vdl.Complex64Type, 1+1i), complexValue(complex64TypeN, 1+1i)}}, |
| // Check implicit conversion of untyped bool and string consts. |
| {c{Boolean(true)}, |
| v{boolValue(vdl.BoolType, true), anyValue(boolValue(vdl.BoolType, true))}}, |
| {c{String("abc")}, |
| v{stringValue(vdl.StringType, "abc"), anyValue(stringValue(vdl.StringType, "abc"))}}, |
| } |
| for _, test := range tests { |
| // Create a slice of consts containing everything in C and V. |
| consts := make([]Const, len(test.C)) |
| copy(consts, test.C) |
| for _, v := range test.V { |
| consts = append(consts, FromValue(v)) |
| } |
| // Loop through the consts, and convert each one to each item in V. |
| for _, c := range consts { |
| for _, v := range test.V { |
| vt := v.Type() |
| got, err := c.Convert(vt) |
| if want := FromValue(v); !constEqual(got, want) { |
| t.Errorf("%v.Convert(%v) got %v, want %v", c, vt, got, want) |
| } |
| expectErr(t, err, "", "%v.Convert(%v)", c, vt) |
| } |
| } |
| } |
| } |
| |
| type ty []*vdl.Type |
| |
| func TestConstConvertError(t *testing.T) { |
| // Each test has a single const C that returns an error that contains errstr |
| // when converted to any of the types in the set T. |
| tests := []struct { |
| C Const |
| T ty |
| errstr string |
| }{ |
| {Boolean(true), |
| ty{vdl.StringType, stringTypeN, bytesType, bytesTypeN, bytes3Type, bytes3TypeN, |
| vdl.Int32Type, int32TypeN, vdl.Uint32Type, uint32TypeN, |
| vdl.Float32Type, float32TypeN, vdl.Complex64Type, complex64TypeN, |
| structAIntType, structAIntTypeN}, |
| cantConvert}, |
| {String("abc"), |
| ty{vdl.BoolType, boolTypeN, |
| vdl.Int32Type, int32TypeN, vdl.Uint32Type, uint32TypeN, |
| vdl.Float32Type, float32TypeN, vdl.Complex64Type, complex64TypeN, |
| structAIntType, structAIntTypeN}, |
| cantConvert}, |
| {Integer(bi1), |
| ty{vdl.BoolType, boolTypeN, |
| vdl.StringType, stringTypeN, bytesType, bytesTypeN, bytes3Type, bytes3TypeN, |
| structAIntType, structAIntTypeN}, |
| cantConvert}, |
| {Rational(br1), |
| ty{vdl.BoolType, boolTypeN, |
| vdl.StringType, stringTypeN, bytesType, bytesTypeN, bytes3Type, bytes3TypeN, |
| structAIntType, structAIntTypeN}, |
| cantConvert}, |
| {Complex(br1, br0), |
| ty{vdl.BoolType, boolTypeN, |
| vdl.StringType, stringTypeN, bytesType, bytesTypeN, bytes3Type, bytes3TypeN, |
| structAIntType, structAIntTypeN}, |
| cantConvert}, |
| // Bounds tests |
| {Integer(bi_neg1), ty{vdl.Uint32Type, uint32TypeN}, overflows}, |
| {Integer(big.NewInt(1 << 32)), ty{vdl.Int32Type, int32TypeN}, overflows}, |
| {Integer(big.NewInt(1 << 33)), ty{vdl.Uint32Type, uint32TypeN}, overflows}, |
| {Rational(br_neg1), ty{vdl.Uint32Type, uint32TypeN}, overflows}, |
| {Rational(big.NewRat(1<<32, 1)), ty{vdl.Int32Type, int32TypeN}, overflows}, |
| {Rational(big.NewRat(1<<33, 1)), ty{vdl.Uint32Type, uint32TypeN}, overflows}, |
| {Rational(big.NewRat(1, 2)), |
| ty{vdl.Int32Type, int32TypeN, vdl.Uint32Type, uint32TypeN}, |
| losesPrecision}, |
| {Rational(bigRatAbsMin64), ty{vdl.Float32Type, float32TypeN}, underflows}, |
| {Rational(bigRatAbsMax64), ty{vdl.Float32Type, float32TypeN}, overflows}, |
| {Complex(br_neg1, br0), ty{vdl.Uint32Type, uint32TypeN}, overflows}, |
| {Complex(big.NewRat(1<<32, 1), br0), ty{vdl.Int32Type, int32TypeN}, overflows}, |
| {Complex(big.NewRat(1<<33, 1), br0), ty{vdl.Uint32Type, uint32TypeN}, overflows}, |
| {Complex(big.NewRat(1, 2), br0), |
| ty{vdl.Int32Type, int32TypeN, vdl.Uint32Type, uint32TypeN}, |
| losesPrecision}, |
| {Complex(bigRatAbsMin64, br0), ty{vdl.Float32Type, float32TypeN}, underflows}, |
| {Complex(bigRatAbsMax64, br0), ty{vdl.Float32Type, float32TypeN}, overflows}, |
| {Complex(br0, br1), |
| ty{vdl.Int32Type, int32TypeN, vdl.Uint32Type, uint32TypeN, vdl.Float32Type, float32TypeN}, |
| nonzeroImaginary}, |
| } |
| for _, test := range tests { |
| for _, ct := range test.T { |
| result, err := test.C.Convert(ct) |
| if result.IsValid() { |
| t.Errorf("%v.Convert(%v) result got %v, want invalid", test.C, ct, result) |
| } |
| expectErr(t, err, test.errstr, "%v.Convert(%v)", test.C, ct) |
| } |
| } |
| } |
| |
| func TestConstUnaryOpOK(t *testing.T) { |
| tests := []struct { |
| op UnaryOp |
| x, expect Const |
| }{ |
| {LogicNot, Boolean(true), Boolean(false)}, |
| {LogicNot, boolConst(vdl.BoolType, false), boolConst(vdl.BoolType, true)}, |
| {LogicNot, boolConst(boolTypeN, true), boolConst(boolTypeN, false)}, |
| |
| {Pos, Integer(bi1), Integer(bi1)}, |
| {Pos, Rational(br1), Rational(br1)}, |
| {Pos, Complex(br1, br1), Complex(br1, br1)}, |
| {Pos, intConst(vdl.Int32Type, 1), intConst(vdl.Int32Type, 1)}, |
| {Pos, floatConst(float32TypeN, 1), floatConst(float32TypeN, 1)}, |
| {Pos, complexConst(complex64TypeN, 1), complexConst(complex64TypeN, 1)}, |
| |
| {Neg, Integer(bi1), Integer(bi_neg1)}, |
| {Neg, Rational(br1), Rational(br_neg1)}, |
| {Neg, Complex(br1, br1), Complex(br_neg1, br_neg1)}, |
| {Neg, intConst(vdl.Int32Type, 1), intConst(vdl.Int32Type, -1)}, |
| {Neg, floatConst(float32TypeN, 1), floatConst(float32TypeN, -1)}, |
| {Neg, complexConst(complex64TypeN, 1), complexConst(complex64TypeN, -1)}, |
| |
| {BitNot, Integer(bi1), Integer(bi_neg2)}, |
| {BitNot, Rational(br1), Integer(bi_neg2)}, |
| {BitNot, Complex(br1, br0), Integer(bi_neg2)}, |
| {BitNot, intConst(vdl.Int32Type, 1), intConst(vdl.Int32Type, -2)}, |
| {BitNot, uintConst(uint32TypeN, 1), uintConst(uint32TypeN, 1<<32-2)}, |
| } |
| for _, test := range tests { |
| result, err := EvalUnary(test.op, test.x) |
| if got, want := result, test.expect; !constEqual(got, want) { |
| t.Errorf("EvalUnary(%v, %v) result got %v, want %v", test.op, test.x, got, want) |
| } |
| expectErr(t, err, "", "EvalUnary(%v, %v)", test.op, test.x) |
| } |
| } |
| |
| func TestConstUnaryOpError(t *testing.T) { |
| tests := []struct { |
| op UnaryOp |
| x Const |
| errstr string |
| }{ |
| {LogicNot, String("abc"), notSupported}, |
| {LogicNot, Integer(bi1), notSupported}, |
| {LogicNot, Rational(br1), notSupported}, |
| {LogicNot, Complex(br1, br1), notSupported}, |
| {LogicNot, structNumConst(structAIntTypeN, 999), notSupported}, |
| |
| {Pos, Boolean(false), notSupported}, |
| {Pos, String("abc"), notSupported}, |
| {Pos, structNumConst(structAIntTypeN, 999), notSupported}, |
| |
| {Neg, Boolean(false), notSupported}, |
| {Neg, String("abc"), notSupported}, |
| {Neg, structNumConst(structAIntTypeN, 999), notSupported}, |
| {Neg, intConst(vdl.Int32Type, 1<<32-1), overflows}, |
| |
| {BitNot, Boolean(false), cantConvert}, |
| {BitNot, String("abc"), cantConvert}, |
| {BitNot, Rational(big.NewRat(1, 2)), losesPrecision}, |
| {BitNot, Complex(br1, br1), nonzeroImaginary}, |
| {BitNot, structNumConst(structAIntTypeN, 999), notSupported}, |
| {BitNot, floatConst(float32TypeN, 1), cantConvert}, |
| {BitNot, complexConst(complex64TypeN, 1), cantConvert}, |
| } |
| for _, test := range tests { |
| result, err := EvalUnary(test.op, test.x) |
| if result.IsValid() { |
| t.Errorf("EvalUnary(%v, %v) result got %v, want invalid", test.op, test.x, result) |
| } |
| expectErr(t, err, test.errstr, "EvalUnary(%v, %v)", test.op, test.x) |
| } |
| } |
| |
| func TestConstBinaryOpOK(t *testing.T) { |
| tests := []struct { |
| op BinaryOp |
| x, y, expect Const |
| }{ |
| {LogicAnd, Boolean(true), Boolean(true), Boolean(true)}, |
| {LogicAnd, Boolean(true), Boolean(false), Boolean(false)}, |
| {LogicAnd, Boolean(false), Boolean(true), Boolean(false)}, |
| {LogicAnd, Boolean(false), Boolean(false), Boolean(false)}, |
| {LogicAnd, boolConst(boolTypeN, true), boolConst(boolTypeN, true), boolConst(boolTypeN, true)}, |
| {LogicAnd, boolConst(boolTypeN, true), boolConst(boolTypeN, false), boolConst(boolTypeN, false)}, |
| {LogicAnd, boolConst(boolTypeN, false), boolConst(boolTypeN, true), boolConst(boolTypeN, false)}, |
| {LogicAnd, boolConst(boolTypeN, false), boolConst(boolTypeN, false), boolConst(boolTypeN, false)}, |
| |
| {LogicOr, Boolean(true), Boolean(true), Boolean(true)}, |
| {LogicOr, Boolean(true), Boolean(false), Boolean(true)}, |
| {LogicOr, Boolean(false), Boolean(true), Boolean(true)}, |
| {LogicOr, Boolean(false), Boolean(false), Boolean(false)}, |
| {LogicOr, boolConst(boolTypeN, true), boolConst(boolTypeN, true), boolConst(boolTypeN, true)}, |
| {LogicOr, boolConst(boolTypeN, true), boolConst(boolTypeN, false), boolConst(boolTypeN, true)}, |
| {LogicOr, boolConst(boolTypeN, false), boolConst(boolTypeN, true), boolConst(boolTypeN, true)}, |
| {LogicOr, boolConst(boolTypeN, false), boolConst(boolTypeN, false), boolConst(boolTypeN, false)}, |
| |
| {Add, String("abc"), String("def"), String("abcdef")}, |
| {Add, Integer(bi1), Integer(bi1), Integer(bi2)}, |
| {Add, Rational(br1), Rational(br1), Rational(br2)}, |
| {Add, Complex(br1, br1), Complex(br1, br1), Complex(br2, br2)}, |
| {Add, stringConst(stringTypeN, "abc"), stringConst(stringTypeN, "def"), stringConst(stringTypeN, "abcdef")}, |
| {Add, bytesConst(bytesTypeN, "abc"), bytesConst(bytesTypeN, "def"), bytesConst(bytesTypeN, "abcdef")}, |
| {Add, intConst(int32TypeN, 1), intConst(int32TypeN, 1), intConst(int32TypeN, 2)}, |
| {Add, uintConst(uint32TypeN, 1), uintConst(uint32TypeN, 1), uintConst(uint32TypeN, 2)}, |
| {Add, floatConst(float32TypeN, 1), floatConst(float32TypeN, 1), floatConst(float32TypeN, 2)}, |
| {Add, complexConst(complex64TypeN, 1), complexConst(complex64TypeN, 1), complexConst(complex64TypeN, 2)}, |
| |
| {Sub, Integer(bi2), Integer(bi1), Integer(bi1)}, |
| {Sub, Rational(br2), Rational(br1), Rational(br1)}, |
| {Sub, Complex(br2, br2), Complex(br1, br1), Complex(br1, br1)}, |
| {Sub, intConst(int32TypeN, 2), intConst(int32TypeN, 1), intConst(int32TypeN, 1)}, |
| {Sub, uintConst(uint32TypeN, 2), uintConst(uint32TypeN, 1), uintConst(uint32TypeN, 1)}, |
| {Sub, floatConst(float32TypeN, 2), floatConst(float32TypeN, 1), floatConst(float32TypeN, 1)}, |
| {Sub, complexConst(complex64TypeN, 2), complexConst(complex64TypeN, 1), complexConst(complex64TypeN, 1)}, |
| |
| {Mul, Integer(bi2), Integer(bi2), Integer(bi4)}, |
| {Mul, Rational(br2), Rational(br2), Rational(br4)}, |
| {Mul, Complex(br2, br2), Complex(br2, br2), Complex(br0, br8)}, |
| {Mul, intConst(int32TypeN, 2), intConst(int32TypeN, 2), intConst(int32TypeN, 4)}, |
| {Mul, uintConst(uint32TypeN, 2), uintConst(uint32TypeN, 2), uintConst(uint32TypeN, 4)}, |
| {Mul, floatConst(float32TypeN, 2), floatConst(float32TypeN, 2), floatConst(float32TypeN, 4)}, |
| {Mul, complexConst(complex64TypeN, 2+2i), complexConst(complex64TypeN, 2+2i), complexConst(complex64TypeN, 8i)}, |
| |
| {Div, Integer(bi4), Integer(bi2), Integer(bi2)}, |
| {Div, Rational(br4), Rational(br2), Rational(br2)}, |
| {Div, Complex(br4, br4), Complex(br2, br2), Complex(br2, br0)}, |
| {Div, intConst(int32TypeN, 4), intConst(int32TypeN, 2), intConst(int32TypeN, 2)}, |
| {Div, uintConst(uint32TypeN, 4), uintConst(uint32TypeN, 2), uintConst(uint32TypeN, 2)}, |
| {Div, floatConst(float32TypeN, 4), floatConst(float32TypeN, 2), floatConst(float32TypeN, 2)}, |
| {Div, complexConst(complex64TypeN, 4+4i), complexConst(complex64TypeN, 2+2i), complexConst(complex64TypeN, 2)}, |
| |
| {Mod, Integer(bi3), Integer(bi2), Integer(bi1)}, |
| {Mod, Rational(br3), Rational(br2), Rational(br1)}, |
| {Mod, Complex(br3, br0), Complex(br2, br0), Complex(br1, br0)}, |
| {Mod, intConst(int32TypeN, 3), intConst(int32TypeN, 2), intConst(int32TypeN, 1)}, |
| {Mod, uintConst(uint32TypeN, 3), uintConst(uint32TypeN, 2), uintConst(uint32TypeN, 1)}, |
| |
| {BitAnd, Integer(bi3), Integer(bi2), Integer(bi2)}, |
| {BitAnd, Rational(br3), Rational(br2), Rational(br2)}, |
| {BitAnd, Complex(br3, br0), Complex(br2, br0), Complex(br2, br0)}, |
| {BitAnd, intConst(int32TypeN, 3), intConst(int32TypeN, 2), intConst(int32TypeN, 2)}, |
| {BitAnd, uintConst(uint32TypeN, 3), uintConst(uint32TypeN, 2), uintConst(uint32TypeN, 2)}, |
| |
| {BitOr, Integer(bi5), Integer(bi3), Integer(bi7)}, |
| {BitOr, Rational(br5), Rational(br3), Rational(br7)}, |
| {BitOr, Complex(br5, br0), Complex(br3, br0), Complex(br7, br0)}, |
| {BitOr, intConst(int32TypeN, 5), intConst(int32TypeN, 3), intConst(int32TypeN, 7)}, |
| {BitOr, uintConst(uint32TypeN, 5), uintConst(uint32TypeN, 3), uintConst(uint32TypeN, 7)}, |
| |
| {BitXor, Integer(bi5), Integer(bi3), Integer(bi6)}, |
| {BitXor, Rational(br5), Rational(br3), Rational(br6)}, |
| {BitXor, Complex(br5, br0), Complex(br3, br0), Complex(br6, br0)}, |
| {BitXor, intConst(int32TypeN, 5), intConst(int32TypeN, 3), intConst(int32TypeN, 6)}, |
| {BitXor, uintConst(uint32TypeN, 5), uintConst(uint32TypeN, 3), uintConst(uint32TypeN, 6)}, |
| |
| {LeftShift, Integer(bi3), Integer(bi1), Integer(bi6)}, |
| {LeftShift, Rational(br3), Rational(br1), Rational(br6)}, |
| {LeftShift, Complex(br3, br0), Complex(br1, br0), Complex(br6, br0)}, |
| {LeftShift, intConst(int32TypeN, 3), intConst(int32TypeN, 1), intConst(int32TypeN, 6)}, |
| {LeftShift, uintConst(uint32TypeN, 3), uintConst(uint32TypeN, 1), uintConst(uint32TypeN, 6)}, |
| |
| {RightShift, Integer(bi5), Integer(bi1), Integer(bi2)}, |
| {RightShift, Rational(br5), Rational(br1), Rational(br2)}, |
| {RightShift, Complex(br5, br0), Complex(br1, br0), Complex(br2, br0)}, |
| {RightShift, intConst(int32TypeN, 5), intConst(int32TypeN, 1), intConst(int32TypeN, 2)}, |
| {RightShift, uintConst(uint32TypeN, 5), uintConst(uint32TypeN, 1), uintConst(uint32TypeN, 2)}, |
| } |
| for _, test := range tests { |
| result, err := EvalBinary(test.op, test.x, test.y) |
| if got, want := result, test.expect; !constEqual(got, want) { |
| t.Errorf("EvalBinary(%v, %v, %v) result got %v, want %v", test.op, test.x, test.y, got, want) |
| } |
| expectErr(t, err, "", "EvalBinary(%v, %v, %v)", test.op, test.x, test.y) |
| } |
| } |
| |
| func expectComp(t *testing.T, op BinaryOp, x, y Const, expect bool) { |
| result, err := EvalBinary(op, x, y) |
| if got, want := result, Boolean(expect); !constEqual(got, want) { |
| t.Errorf("EvalBinary(%v, %v, %v) result got %v, want %v", op, x, y, got, want) |
| } |
| expectErr(t, err, "", "EvalBinary(%v, %v, %v)", op, x, y) |
| } |
| |
| func TestConstEQNE(t *testing.T) { |
| tests := []struct { |
| x, y Const // x != y |
| }{ |
| {Boolean(false), Boolean(true)}, |
| {String("abc"), String("def")}, |
| {Complex(br1, br1), Complex(br2, br2)}, |
| |
| {boolConst(boolTypeN, false), boolConst(boolTypeN, true)}, |
| {complexConst(complex64TypeN, 1), complexConst(complex64TypeN, 2)}, |
| {structNumConst(structAIntTypeN, 1), structNumConst(structAIntTypeN, 2)}, |
| } |
| for _, test := range tests { |
| expectComp(t, EQ, test.x, test.x, true) |
| expectComp(t, EQ, test.x, test.y, false) |
| expectComp(t, EQ, test.y, test.x, false) |
| expectComp(t, EQ, test.y, test.y, true) |
| |
| expectComp(t, NE, test.x, test.x, false) |
| expectComp(t, NE, test.x, test.y, true) |
| expectComp(t, NE, test.y, test.x, true) |
| expectComp(t, NE, test.y, test.y, false) |
| } |
| } |
| |
| func TestConstOrdered(t *testing.T) { |
| tests := []struct { |
| x, y Const // x < y |
| }{ |
| {String("abc"), String("def")}, |
| {Integer(bi1), Integer(bi2)}, |
| {Rational(br1), Rational(br2)}, |
| |
| {stringConst(stringTypeN, "abc"), stringConst(stringTypeN, "def")}, |
| {bytesConst(bytesTypeN, "abc"), bytesConst(bytesTypeN, "def")}, |
| {bytes3Const(bytes3TypeN, "abc"), bytes3Const(bytes3TypeN, "def")}, |
| {intConst(int32TypeN, 1), intConst(int32TypeN, 2)}, |
| {uintConst(uint32TypeN, 1), uintConst(uint32TypeN, 2)}, |
| {floatConst(float32TypeN, 1), floatConst(float32TypeN, 2)}, |
| } |
| for _, test := range tests { |
| expectComp(t, EQ, test.x, test.x, true) |
| expectComp(t, EQ, test.x, test.y, false) |
| expectComp(t, EQ, test.y, test.x, false) |
| expectComp(t, EQ, test.y, test.y, true) |
| |
| expectComp(t, NE, test.x, test.x, false) |
| expectComp(t, NE, test.x, test.y, true) |
| expectComp(t, NE, test.y, test.x, true) |
| expectComp(t, NE, test.y, test.y, false) |
| |
| expectComp(t, LT, test.x, test.x, false) |
| expectComp(t, LT, test.x, test.y, true) |
| expectComp(t, LT, test.y, test.x, false) |
| expectComp(t, LT, test.y, test.y, false) |
| |
| expectComp(t, LE, test.x, test.x, true) |
| expectComp(t, LE, test.x, test.y, true) |
| expectComp(t, LE, test.y, test.x, false) |
| expectComp(t, LE, test.y, test.y, true) |
| |
| expectComp(t, GT, test.x, test.x, false) |
| expectComp(t, GT, test.x, test.y, false) |
| expectComp(t, GT, test.y, test.x, true) |
| expectComp(t, GT, test.y, test.y, false) |
| |
| expectComp(t, GE, test.x, test.x, true) |
| expectComp(t, GE, test.x, test.y, false) |
| expectComp(t, GE, test.y, test.x, true) |
| expectComp(t, GE, test.y, test.y, true) |
| } |
| } |
| |
| type bo []BinaryOp |
| |
| func TestConstBinaryOpError(t *testing.T) { |
| // For each op in Bops and each x in C, (x op x) returns errstr. |
| tests := []struct { |
| Bops bo |
| C c |
| errstr string |
| }{ |
| // Type not supported / can't convert errors |
| {bo{LogicAnd, LogicOr}, |
| c{String("abc"), |
| stringConst(stringTypeN, "abc"), |
| bytesConst(bytesTypeN, "abc"), bytes3Const(bytes3TypeN, "abc"), |
| Integer(bi1), intConst(int32TypeN, 1), uintConst(uint32TypeN, 1), |
| Rational(br1), floatConst(float32TypeN, 1), |
| Complex(br1, br1), complexConst(complex64TypeN, 1), |
| structNumConst(structAIntType, 1), structNumConst(structAIntTypeN, 1)}, |
| notSupported}, |
| {bo{LT, LE, GT, GE}, |
| c{Boolean(true), boolConst(boolTypeN, false), |
| Complex(br1, br1), complexConst(complex64TypeN, 1), |
| structNumConst(structAIntType, 1), structNumConst(structAIntTypeN, 1)}, |
| notSupported}, |
| {bo{Add}, |
| c{structNumConst(structAIntType, 1), structNumConst(structAIntTypeN, 1)}, |
| notSupported}, |
| {bo{Sub, Mul, Div}, |
| c{String("abc"), stringConst(stringTypeN, "abc"), |
| bytesConst(bytesTypeN, "abc"), bytes3Const(bytes3TypeN, "abc"), |
| structNumConst(structAIntType, 1), structNumConst(structAIntTypeN, 1)}, |
| notSupported}, |
| {bo{Mod, BitAnd, BitOr, BitXor, LeftShift, RightShift}, |
| c{String("abc"), stringConst(stringTypeN, "abc"), |
| bytesConst(bytesTypeN, "abc"), bytes3Const(bytes3TypeN, "abc"), |
| structNumConst(structAIntType, 1), structNumConst(structAIntTypeN, 1)}, |
| cantConvert}, |
| // Bounds checking |
| {bo{Add}, c{uintConst(uint32TypeN, 1<<31)}, overflows}, |
| {bo{Mul}, c{uintConst(uint32TypeN, 1<<16)}, overflows}, |
| {bo{Div}, c{uintConst(uint32TypeN, 0)}, divByZero}, |
| {bo{LeftShift}, c{uintConst(uint32TypeN, 32)}, overflows}, |
| } |
| for _, test := range tests { |
| for _, op := range test.Bops { |
| for _, c := range test.C { |
| result, err := EvalBinary(op, c, c) |
| if result.IsValid() { |
| t.Errorf("EvalBinary(%v, %v, %v) result got %v, want invalid", op, c, c, result) |
| } |
| expectErr(t, err, test.errstr, "EvalBinary(%v, %v, %v)", op, c, c) |
| } |
| } |
| } |
| } |
