91 lines
2.6 KiB
Go
91 lines
2.6 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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"reflect"
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"testing"
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)
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var allMapPrimitives = []interface{}{
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bool(true),
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int(1),
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int8(1),
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int16(1),
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int32(1),
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int64(1),
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uint(1),
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uintptr(1),
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uint8(1),
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uint16(1),
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uint32(1),
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uint64(1),
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string(""),
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registeredMapStruct{},
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}
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var allMapKeys = flatten(allMapPrimitives, pointersTo(allMapPrimitives))
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var allMapValues = flatten(allMapPrimitives, pointersTo(allMapPrimitives), interfacesTo(allMapPrimitives))
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var emptyMaps = combine(allMapKeys, allMapValues, func(v1, v2 interface{}) interface{} {
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m := reflect.MakeMap(reflect.MapOf(reflect.TypeOf(v1), reflect.TypeOf(v2)))
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return m.Interface()
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})
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var fullMaps = combine(allMapKeys, allMapValues, func(v1, v2 interface{}) interface{} {
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m := reflect.MakeMap(reflect.MapOf(reflect.TypeOf(v1), reflect.TypeOf(v2)))
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m.SetMapIndex(reflect.Zero(reflect.TypeOf(v1)), reflect.Zero(reflect.TypeOf(v2)))
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return m.Interface()
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})
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func TestMapAliasing(t *testing.T) {
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v := make(map[int]int)
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ptrToV := &v
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aliases := []map[int]int{v, v}
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runTestCases(t, false, "", []interface{}{ptrToV, aliases})
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}
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func TestMapsEmpty(t *testing.T) {
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runTestCases(t, false, "plain", emptyMaps)
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runTestCases(t, false, "pointers", pointersTo(emptyMaps))
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runTestCases(t, false, "interfaces", interfacesTo(emptyMaps))
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runTestCases(t, false, "interfacesToPointers", interfacesTo(pointersTo(emptyMaps)))
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}
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func TestMapsFull(t *testing.T) {
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runTestCases(t, false, "plain", fullMaps)
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runTestCases(t, false, "pointers", pointersTo(fullMaps))
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runTestCases(t, false, "interfaces", interfacesTo(fullMaps))
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runTestCases(t, false, "interfacesToPointer", interfacesTo(pointersTo(fullMaps)))
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}
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func TestMapContainers(t *testing.T) {
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var (
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nilMap map[int]interface{}
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emptyMap = make(map[int]interface{})
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fullMap = map[int]interface{}{0: nil}
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)
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runTestCases(t, false, "", []interface{}{
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mapContainer{v: nilMap},
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mapContainer{v: emptyMap},
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mapContainer{v: fullMap},
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mapPtrContainer{v: nil},
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mapPtrContainer{v: &nilMap},
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mapPtrContainer{v: &emptyMap},
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mapPtrContainer{v: &fullMap},
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})
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}
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