95 lines
2.7 KiB
Go
95 lines
2.7 KiB
Go
// Copyright 2018 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tests
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import (
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"math"
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"testing"
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)
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var (
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allIntTs = []int{-1, 0, 1}
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allInt8s = []int8{math.MinInt8, -1, 0, 1, math.MaxInt8}
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allInt16s = []int16{math.MinInt16, -1, 0, 1, math.MaxInt16}
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allInt32s = []int32{math.MinInt32, -1, 0, 1, math.MaxInt32}
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allInt64s = []int64{math.MinInt64, -1, 0, 1, math.MaxInt64}
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allUintTs = []uint{0, 1}
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allUintptrs = []uintptr{0, 1, ^uintptr(0)}
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allUint8s = []uint8{0, 1, math.MaxUint8}
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allUint16s = []uint16{0, 1, math.MaxUint16}
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allUint32s = []uint32{0, 1, math.MaxUint32}
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allUint64s = []uint64{0, 1, math.MaxUint64}
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)
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var allInts = flatten(
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allIntTs,
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allInt8s,
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allInt16s,
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allInt32s,
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allInt64s,
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)
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var allUints = flatten(
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allUintTs,
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allUintptrs,
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allUint8s,
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allUint16s,
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allUint32s,
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allUint64s,
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)
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func TestInt(t *testing.T) {
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runTestCases(t, false, "plain", allInts)
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runTestCases(t, false, "pointers", pointersTo(allInts))
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runTestCases(t, false, "interfaces", interfacesTo(allInts))
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runTestCases(t, false, "interfacesTo", interfacesTo(pointersTo(allInts)))
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}
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func TestIntTruncation(t *testing.T) {
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runTestCases(t, true, "pass", []interface{}{
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truncatingInt8{save: math.MinInt8 - 1},
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truncatingInt16{save: math.MinInt16 - 1},
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truncatingInt32{save: math.MinInt32 - 1},
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truncatingInt8{save: math.MaxInt8 + 1},
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truncatingInt16{save: math.MaxInt16 + 1},
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truncatingInt32{save: math.MaxInt32 + 1},
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})
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runTestCases(t, false, "fail", []interface{}{
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truncatingInt8{save: 1},
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truncatingInt16{save: 1},
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truncatingInt32{save: 1},
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})
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}
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func TestUint(t *testing.T) {
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runTestCases(t, false, "plain", allUints)
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runTestCases(t, false, "pointers", pointersTo(allUints))
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runTestCases(t, false, "interfaces", interfacesTo(allUints))
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runTestCases(t, false, "interfacesTo", interfacesTo(pointersTo(allUints)))
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}
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func TestUintTruncation(t *testing.T) {
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runTestCases(t, true, "pass", []interface{}{
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truncatingUint8{save: math.MaxUint8 + 1},
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truncatingUint16{save: math.MaxUint16 + 1},
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truncatingUint32{save: math.MaxUint32 + 1},
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})
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runTestCases(t, false, "fail", []interface{}{
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truncatingUint8{save: 1},
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truncatingUint16{save: 1},
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truncatingUint32{save: 1},
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})
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}
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