676 lines
20 KiB
Go
676 lines
20 KiB
Go
/*
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* Copyright (c) 2013 Dave Collins <dave@davec.name>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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Test Summary:
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NOTE: For each test, a pointer and double pointer to the base test element
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are also tested to ensure proper indirection across all types.
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- Max int8, int16, int32, int64, int
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- Max uint8, uint16, uint32, uint64, uint
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- Boolean true and false
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- Standard complex64 and complex128
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- Array containing standard ints
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- Array containing type with custom formatter on pointer receiver only
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- Slice containing standard float32 values
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- Slice containing type with custom formatter on pointer receiver only
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- Standard string
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- Nil interface
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- Map with string keys and int vals
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- Map with custom formatter type on pointer receiver only keys and vals
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- Map with interface keys and values
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- Struct with primitives
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- Struct that contains another struct
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- Struct that contains custom type with Stringer pointer interface via both
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exported and unexported fields
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- Uintptr to 0 (null pointer)
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- Uintptr address of real variable
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- Unsafe.Pointer to 0 (null pointer)
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- Unsafe.Pointer to address of real variable
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- Nil channel
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- Standard int channel
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- Function with no params and no returns
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- Function with param and no returns
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- Function with multiple params and multiple returns
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- Struct that is circular through self referencing
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- Structs that are circular through cross referencing
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- Structs that are indirectly circular
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*/
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package spew_test
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import (
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"bytes"
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"fmt"
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"github.com/davecgh/go-spew/spew"
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"testing"
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"unsafe"
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)
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// custom type to test Stinger interface on pointer receiver.
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type pstringer string
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// String implements the Stringer interface for testing invocation of custom
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// stringers on types with only pointer receivers.
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func (s *pstringer) String() string {
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return "stringer " + string(*s)
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}
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// xref1 and xref2 are cross referencing structs for testing circular reference
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// detection.
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type xref1 struct {
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ps2 *xref2
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}
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type xref2 struct {
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ps1 *xref1
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}
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// indirCir1, indirCir2, and indirCir3 are used to generate an indirect circular
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// reference for testing detection.
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type indirCir1 struct {
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ps2 *indirCir2
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}
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type indirCir2 struct {
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ps3 *indirCir3
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}
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type indirCir3 struct {
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ps1 *indirCir1
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}
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// dumpTest is used to describe a test to be perfomed against the Dump method.
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type dumpTest struct {
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in interface{}
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want string
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}
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// dumpTests houses all of the tests to be performed against the Dump method.
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var dumpTests = make([]dumpTest, 0)
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// addDumpTest is a helper method to append the passed input and desired result
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// to dumpTests
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func addDumpTest(in interface{}, want string) {
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test := dumpTest{in, want}
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dumpTests = append(dumpTests, test)
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}
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func addIntTests() {
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// Max int8.
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v := int8(127)
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pv := &v
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vAddr := fmt.Sprintf("%p", pv)
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pvAddr := fmt.Sprintf("%p", &pv)
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vt := "int8"
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vs := "127"
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addDumpTest(v, "("+vt+") "+vs+"\n")
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addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
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addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
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// Max int16.
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v2 := int16(32767)
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pv2 := &v2
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v2Addr := fmt.Sprintf("%p", pv2)
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pv2Addr := fmt.Sprintf("%p", &pv2)
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v2t := "int16"
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v2s := "32767"
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addDumpTest(v2, "("+v2t+") "+v2s+"\n")
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addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
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addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
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// Max int32.
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v3 := int32(2147483647)
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pv3 := &v3
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v3Addr := fmt.Sprintf("%p", pv3)
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pv3Addr := fmt.Sprintf("%p", &pv3)
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v3t := "int32"
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v3s := "2147483647"
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addDumpTest(v3, "("+v3t+") "+v3s+"\n")
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addDumpTest(pv3, "(*"+v3t+")("+v3Addr+")("+v3s+")\n")
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addDumpTest(&pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")("+v3s+")\n")
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// Max int64.
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v4 := int64(9223372036854775807)
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pv4 := &v4
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v4Addr := fmt.Sprintf("%p", pv4)
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pv4Addr := fmt.Sprintf("%p", &pv4)
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v4t := "int64"
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v4s := "9223372036854775807"
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addDumpTest(v4, "("+v4t+") "+v4s+"\n")
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addDumpTest(pv4, "(*"+v4t+")("+v4Addr+")("+v4s+")\n")
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addDumpTest(&pv4, "(**"+v4t+")("+pv4Addr+"->"+v4Addr+")("+v4s+")\n")
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// Max int.
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v5 := int(2147483647)
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pv5 := &v5
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v5Addr := fmt.Sprintf("%p", pv5)
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pv5Addr := fmt.Sprintf("%p", &pv5)
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v5t := "int"
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v5s := "2147483647"
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addDumpTest(v5, "("+v5t+") "+v5s+"\n")
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addDumpTest(pv5, "(*"+v5t+")("+v5Addr+")("+v5s+")\n")
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addDumpTest(&pv5, "(**"+v5t+")("+pv5Addr+"->"+v5Addr+")("+v5s+")\n")
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}
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func addUintTests() {
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// Max uint8.
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v := uint8(255)
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pv := &v
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vAddr := fmt.Sprintf("%p", pv)
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pvAddr := fmt.Sprintf("%p", &pv)
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vt := "uint8"
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vs := "255"
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addDumpTest(v, "("+vt+") "+vs+"\n")
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addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
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addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
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// Max uint16.
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v2 := uint16(65535)
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pv2 := &v2
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v2Addr := fmt.Sprintf("%p", pv2)
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pv2Addr := fmt.Sprintf("%p", &pv2)
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v2t := "uint16"
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v2s := "65535"
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addDumpTest(v2, "("+v2t+") "+v2s+"\n")
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addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
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addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
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// Max uint32.
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v3 := uint32(4294967295)
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pv3 := &v3
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v3Addr := fmt.Sprintf("%p", pv3)
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pv3Addr := fmt.Sprintf("%p", &pv3)
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v3t := "uint32"
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v3s := "4294967295"
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addDumpTest(v3, "("+v3t+") "+v3s+"\n")
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addDumpTest(pv3, "(*"+v3t+")("+v3Addr+")("+v3s+")\n")
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addDumpTest(&pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")("+v3s+")\n")
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// Max uint64.
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v4 := uint64(18446744073709551615)
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pv4 := &v4
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v4Addr := fmt.Sprintf("%p", pv4)
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pv4Addr := fmt.Sprintf("%p", &pv4)
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v4t := "uint64"
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v4s := "18446744073709551615"
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addDumpTest(v4, "("+v4t+") "+v4s+"\n")
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addDumpTest(pv4, "(*"+v4t+")("+v4Addr+")("+v4s+")\n")
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addDumpTest(&pv4, "(**"+v4t+")("+pv4Addr+"->"+v4Addr+")("+v4s+")\n")
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// Max uint.
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v5 := uint(4294967295)
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pv5 := &v5
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v5Addr := fmt.Sprintf("%p", pv5)
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pv5Addr := fmt.Sprintf("%p", &pv5)
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v5t := "uint"
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v5s := "4294967295"
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addDumpTest(v5, "("+v5t+") "+v5s+"\n")
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addDumpTest(pv5, "(*"+v5t+")("+v5Addr+")("+v5s+")\n")
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addDumpTest(&pv5, "(**"+v5t+")("+pv5Addr+"->"+v5Addr+")("+v5s+")\n")
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}
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func addBoolTests() {
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// Boolean true.
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v := bool(true)
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pv := &v
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vAddr := fmt.Sprintf("%p", pv)
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pvAddr := fmt.Sprintf("%p", &pv)
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vt := "bool"
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vs := "true"
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addDumpTest(v, "("+vt+") "+vs+"\n")
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addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
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addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
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// Boolean false.
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v2 := bool(false)
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pv2 := &v2
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v2Addr := fmt.Sprintf("%p", pv2)
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pv2Addr := fmt.Sprintf("%p", &pv2)
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v2t := "bool"
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v2s := "false"
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addDumpTest(v2, "("+v2t+") "+v2s+"\n")
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addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
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addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
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}
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func addFloatTests() {
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// Standard float32.
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v := float32(3.1415)
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pv := &v
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vAddr := fmt.Sprintf("%p", pv)
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pvAddr := fmt.Sprintf("%p", &pv)
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vt := "float32"
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vs := "3.1415"
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addDumpTest(v, "("+vt+") "+vs+"\n")
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addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
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addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
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// Standard float64.
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v2 := float64(3.1415926)
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pv2 := &v2
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v2Addr := fmt.Sprintf("%p", pv2)
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pv2Addr := fmt.Sprintf("%p", &pv2)
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v2t := "float64"
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v2s := "3.1415926"
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addDumpTest(v2, "("+v2t+") "+v2s+"\n")
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addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
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addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
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}
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func addComplexTests() {
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// Standard complex64.
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v := complex(float32(6), -2)
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pv := &v
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vAddr := fmt.Sprintf("%p", pv)
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pvAddr := fmt.Sprintf("%p", &pv)
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vt := "complex64"
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vs := "(6-2i)"
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addDumpTest(v, "("+vt+") "+vs+"\n")
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addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
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addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
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// Standard complex128.
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v2 := complex(float64(-6), 2)
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pv2 := &v2
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v2Addr := fmt.Sprintf("%p", pv2)
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pv2Addr := fmt.Sprintf("%p", &pv2)
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v2t := "complex128"
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v2s := "(-6+2i)"
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addDumpTest(v2, "("+v2t+") "+v2s+"\n")
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addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
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addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
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}
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func addArrayTests() {
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// Array containing standard ints.
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v := [3]int{1, 2, 3}
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pv := &v
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vAddr := fmt.Sprintf("%p", pv)
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pvAddr := fmt.Sprintf("%p", &pv)
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vt := "int"
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vs := "{\n (" + vt + ") 1,\n (" + vt + ") 2,\n (" + vt + ") 3\n}"
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addDumpTest(v, "([3]"+vt+") "+vs+"\n")
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addDumpTest(pv, "(*[3]"+vt+")("+vAddr+")("+vs+")\n")
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addDumpTest(&pv, "(**[3]"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
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// Array containing type with custom formatter on pointer receiver only.
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v2 := [3]pstringer{"1", "2", "3"}
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pv2 := &v2
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v2Addr := fmt.Sprintf("%p", pv2)
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pv2Addr := fmt.Sprintf("%p", &pv2)
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v2t := "spew_test.pstringer"
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v2s := "{\n (" + v2t + ") stringer 1,\n (" + v2t + ") stringer 2,\n (" +
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v2t + ") stringer 3\n}"
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addDumpTest(v2, "([3]"+v2t+") "+v2s+"\n")
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addDumpTest(pv2, "(*[3]"+v2t+")("+v2Addr+")("+v2s+")\n")
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addDumpTest(&pv2, "(**[3]"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
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}
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func addSliceTests() {
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// Slice containing standard float32 values.
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v := []float32{3.14, 6.28, 12.56}
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pv := &v
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vAddr := fmt.Sprintf("%p", pv)
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pvAddr := fmt.Sprintf("%p", &pv)
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vt := "float32"
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vs := "{\n (" + vt + ") 3.14,\n (" + vt + ") 6.28,\n (" + vt + ") 12.56\n}"
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addDumpTest(v, "([]"+vt+") "+vs+"\n")
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addDumpTest(pv, "(*[]"+vt+")("+vAddr+")("+vs+")\n")
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addDumpTest(&pv, "(**[]"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
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// Slice containing type with custom formatter on pointer receiver only.
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v2 := []pstringer{"1", "2", "3"}
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pv2 := &v2
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v2Addr := fmt.Sprintf("%p", pv2)
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pv2Addr := fmt.Sprintf("%p", &pv2)
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v2t := "spew_test.pstringer"
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v2s := "{\n (" + v2t + ") stringer 1,\n (" + v2t + ") stringer 2,\n (" +
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v2t + ") stringer 3\n}"
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addDumpTest(v2, "([]"+v2t+") "+v2s+"\n")
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addDumpTest(pv2, "(*[]"+v2t+")("+v2Addr+")("+v2s+")\n")
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addDumpTest(&pv2, "(**[]"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
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}
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func addStringTests() {
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// Standard string.
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v := "test"
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pv := &v
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vAddr := fmt.Sprintf("%p", pv)
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pvAddr := fmt.Sprintf("%p", &pv)
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vt := "string"
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vs := "\"test\""
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addDumpTest(v, "("+vt+") "+vs+"\n")
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addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
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addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
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}
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func addNilInterfaceTests() {
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// Nil interface.
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var v interface{}
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pv := &v
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vAddr := fmt.Sprintf("%p", pv)
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pvAddr := fmt.Sprintf("%p", &pv)
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vt := "interface {}"
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vs := "<nil>"
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addDumpTest(v, "("+vt+") "+vs+"\n")
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addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
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addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
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}
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func addMapTests() {
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// Map with string keys and int vals.
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v := map[string]int{"one": 1}
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pv := &v
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vAddr := fmt.Sprintf("%p", pv)
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pvAddr := fmt.Sprintf("%p", &pv)
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vt := "map[string]int"
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vt1 := "string"
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vt2 := "int"
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vs := "{\n (" + vt1 + ") \"one\": (" + vt2 + ") 1\n}"
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addDumpTest(v, "("+vt+") "+vs+"\n")
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addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
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addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
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// Map with custom formatter type on pointer receiver only keys and vals.
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v2 := map[pstringer]pstringer{"one": "1"}
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pv2 := &v2
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v2Addr := fmt.Sprintf("%p", pv2)
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pv2Addr := fmt.Sprintf("%p", &pv2)
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v2t := "map[spew_test.pstringer]spew_test.pstringer"
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v2t1 := "spew_test.pstringer"
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v2t2 := "spew_test.pstringer"
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v2s := "{\n (" + v2t1 + ") stringer one: (" + v2t2 + ") stringer 1\n}"
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addDumpTest(v2, "("+v2t+") "+v2s+"\n")
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addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
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addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
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// Map with interface keys and values.
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v3 := map[interface{}]interface{}{"one": 1}
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pv3 := &v3
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v3Addr := fmt.Sprintf("%p", pv3)
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pv3Addr := fmt.Sprintf("%p", &pv3)
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v3t := "map[interface {}]interface {}"
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v3t1 := "string"
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v3t2 := "int"
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v3s := "{\n (" + v3t1 + ") \"one\": (" + v3t2 + ") 1\n}"
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addDumpTest(v3, "("+v3t+") "+v3s+"\n")
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addDumpTest(pv3, "(*"+v3t+")("+v3Addr+")("+v3s+")\n")
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addDumpTest(&pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")("+v3s+")\n")
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}
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func addStructTests() {
|
|
// Struct with primitives.
|
|
type s1 struct {
|
|
a int8
|
|
b uint8
|
|
}
|
|
v := s1{127, 255}
|
|
pv := &v
|
|
vAddr := fmt.Sprintf("%p", pv)
|
|
pvAddr := fmt.Sprintf("%p", &pv)
|
|
vt := "spew_test.s1"
|
|
vt2 := "int8"
|
|
vt3 := "uint8"
|
|
vs := "{\n a: (" + vt2 + ") 127,\n b: (" + vt3 + ") 255\n}"
|
|
addDumpTest(v, "("+vt+") "+vs+"\n")
|
|
addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
|
|
addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
|
|
|
|
// Struct that contains another struct.
|
|
type s2 struct {
|
|
s1 s1
|
|
b bool
|
|
}
|
|
v2 := s2{s1{127, 255}, true}
|
|
pv2 := &v2
|
|
v2Addr := fmt.Sprintf("%p", pv2)
|
|
pv2Addr := fmt.Sprintf("%p", &pv2)
|
|
v2t := "spew_test.s2"
|
|
v2t2 := "spew_test.s1"
|
|
v2t3 := "int8"
|
|
v2t4 := "uint8"
|
|
v2t5 := "bool"
|
|
v2s := "{\n s1: (" + v2t2 + ") {\n a: (" + v2t3 + ") 127,\n b: (" +
|
|
v2t4 + ") 255\n },\n b: (" + v2t5 + ") true\n}"
|
|
addDumpTest(v2, "("+v2t+") "+v2s+"\n")
|
|
addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
|
|
addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
|
|
|
|
// Struct that contains custom type with Stringer pointer interface via both
|
|
// exported and unexported fields.
|
|
type s3 struct {
|
|
s pstringer
|
|
S pstringer
|
|
}
|
|
v3 := s3{"test", "test2"}
|
|
pv3 := &v3
|
|
v3Addr := fmt.Sprintf("%p", pv3)
|
|
pv3Addr := fmt.Sprintf("%p", &pv3)
|
|
v3t := "spew_test.s3"
|
|
v3t2 := "spew_test.pstringer"
|
|
v3s := "{\n s: (" + v3t2 + ") stringer test,\n S: (" + v3t2 +
|
|
") stringer test2\n}"
|
|
addDumpTest(v3, "("+v3t+") "+v3s+"\n")
|
|
addDumpTest(pv3, "(*"+v3t+")("+v3Addr+")("+v3s+")\n")
|
|
addDumpTest(&pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")("+v3s+")\n")
|
|
}
|
|
|
|
func addUintptrTests() {
|
|
// Null pointer.
|
|
v := uintptr(0)
|
|
pv := &v
|
|
vAddr := fmt.Sprintf("%p", pv)
|
|
pvAddr := fmt.Sprintf("%p", &pv)
|
|
vt := "uintptr"
|
|
vs := "<nil>"
|
|
addDumpTest(v, "("+vt+") "+vs+"\n")
|
|
addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
|
|
addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
|
|
|
|
// Address of real variable.
|
|
i := 1
|
|
v2 := uintptr(unsafe.Pointer(&i))
|
|
pv2 := &v2
|
|
v2Addr := fmt.Sprintf("%p", pv2)
|
|
pv2Addr := fmt.Sprintf("%p", &pv2)
|
|
v2t := "uintptr"
|
|
v2s := fmt.Sprintf("%p", &i)
|
|
addDumpTest(v2, "("+v2t+") "+v2s+"\n")
|
|
addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
|
|
addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
|
|
}
|
|
|
|
func addUnsafePointerTests() {
|
|
// Null pointer.
|
|
v := unsafe.Pointer(uintptr(0))
|
|
pv := &v
|
|
vAddr := fmt.Sprintf("%p", pv)
|
|
pvAddr := fmt.Sprintf("%p", &pv)
|
|
vt := "unsafe.Pointer"
|
|
vs := "<nil>"
|
|
addDumpTest(v, "("+vt+") "+vs+"\n")
|
|
addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
|
|
addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
|
|
|
|
// Address of real variable.
|
|
i := 1
|
|
v2 := unsafe.Pointer(&i)
|
|
pv2 := &v2
|
|
v2Addr := fmt.Sprintf("%p", pv2)
|
|
pv2Addr := fmt.Sprintf("%p", &pv2)
|
|
v2t := "unsafe.Pointer"
|
|
v2s := fmt.Sprintf("%p", &i)
|
|
addDumpTest(v2, "("+v2t+") "+v2s+"\n")
|
|
addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
|
|
addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
|
|
}
|
|
|
|
func addChanTests() {
|
|
// Nil channel.
|
|
var v chan int
|
|
pv := &v
|
|
vAddr := fmt.Sprintf("%p", pv)
|
|
pvAddr := fmt.Sprintf("%p", &pv)
|
|
vt := "chan int"
|
|
vs := "<nil>"
|
|
addDumpTest(v, "("+vt+") "+vs+"\n")
|
|
addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
|
|
addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
|
|
|
|
// Real channel.
|
|
v2 := make(chan int)
|
|
pv2 := &v2
|
|
v2Addr := fmt.Sprintf("%p", pv2)
|
|
pv2Addr := fmt.Sprintf("%p", &pv2)
|
|
v2t := "chan int"
|
|
v2s := fmt.Sprintf("%p", v2)
|
|
addDumpTest(v2, "("+v2t+") "+v2s+"\n")
|
|
addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
|
|
addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
|
|
}
|
|
|
|
func addFuncTests() {
|
|
// Function with no params and no returns.
|
|
v := addIntTests
|
|
pv := &v
|
|
vAddr := fmt.Sprintf("%p", pv)
|
|
pvAddr := fmt.Sprintf("%p", &pv)
|
|
vt := "func()"
|
|
vs := fmt.Sprintf("%p", v)
|
|
addDumpTest(v, "("+vt+") "+vs+"\n")
|
|
addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs+")\n")
|
|
addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs+")\n")
|
|
|
|
// Function with param and no returns.
|
|
v2 := TestDump
|
|
pv2 := &v2
|
|
v2Addr := fmt.Sprintf("%p", pv2)
|
|
pv2Addr := fmt.Sprintf("%p", &pv2)
|
|
v2t := "func(*testing.T)"
|
|
v2s := fmt.Sprintf("%p", v2)
|
|
addDumpTest(v2, "("+v2t+") "+v2s+"\n")
|
|
addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s+")\n")
|
|
addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s+")\n")
|
|
|
|
// Function with multiple params and multiple returns.
|
|
var v3 = func(i int, s string) (b bool, err error) {
|
|
return true, nil
|
|
}
|
|
pv3 := &v3
|
|
v3Addr := fmt.Sprintf("%p", pv3)
|
|
pv3Addr := fmt.Sprintf("%p", &pv3)
|
|
v3t := "func(int, string) (bool, error)"
|
|
v3s := fmt.Sprintf("%p", v3)
|
|
addDumpTest(v3, "("+v3t+") "+v3s+"\n")
|
|
addDumpTest(pv3, "(*"+v3t+")("+v3Addr+")("+v3s+")\n")
|
|
addDumpTest(&pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")("+v3s+")\n")
|
|
}
|
|
|
|
func addCircularTests() {
|
|
// Struct that is circular through self referencing.
|
|
type circular struct {
|
|
c *circular
|
|
}
|
|
v := circular{nil}
|
|
v.c = &v
|
|
pv := &v
|
|
vAddr := fmt.Sprintf("%p", pv)
|
|
pvAddr := fmt.Sprintf("%p", &pv)
|
|
vt := "spew_test.circular"
|
|
vs := "{\n c: (*" + vt + ")(" + vAddr + ")({\n c: (*" + vt + ")(" +
|
|
vAddr + ")(<already shown>)\n })\n}"
|
|
vs2 := "{\n c: (*" + vt + ")(" + vAddr + ")(<already shown>)\n}"
|
|
addDumpTest(v, "("+vt+") "+vs+"\n")
|
|
addDumpTest(pv, "(*"+vt+")("+vAddr+")("+vs2+")\n")
|
|
addDumpTest(&pv, "(**"+vt+")("+pvAddr+"->"+vAddr+")("+vs2+")\n")
|
|
|
|
// Structs that are circular through cross referencing.
|
|
v2 := xref1{nil}
|
|
ts2 := xref2{&v2}
|
|
v2.ps2 = &ts2
|
|
pv2 := &v2
|
|
ts2Addr := fmt.Sprintf("%p", &ts2)
|
|
v2Addr := fmt.Sprintf("%p", pv2)
|
|
pv2Addr := fmt.Sprintf("%p", &pv2)
|
|
v2t := "spew_test.xref1"
|
|
v2t2 := "spew_test.xref2"
|
|
v2s := "{\n ps2: (*" + v2t2 + ")(" + ts2Addr + ")({\n ps1: (*" + v2t +
|
|
")(" + v2Addr + ")({\n ps2: (*" + v2t2 + ")(" + ts2Addr +
|
|
")(<already shown>)\n })\n })\n}"
|
|
v2s2 := "{\n ps2: (*" + v2t2 + ")(" + ts2Addr + ")({\n ps1: (*" + v2t +
|
|
")(" + v2Addr + ")(<already shown>)\n })\n}"
|
|
addDumpTest(v2, "("+v2t+") "+v2s+"\n")
|
|
addDumpTest(pv2, "(*"+v2t+")("+v2Addr+")("+v2s2+")\n")
|
|
addDumpTest(&pv2, "(**"+v2t+")("+pv2Addr+"->"+v2Addr+")("+v2s2+")\n")
|
|
|
|
// Structs that are indirectly circular.
|
|
v3 := indirCir1{nil}
|
|
tic2 := indirCir2{nil}
|
|
tic3 := indirCir3{&v3}
|
|
tic2.ps3 = &tic3
|
|
v3.ps2 = &tic2
|
|
pv3 := &v3
|
|
tic2Addr := fmt.Sprintf("%p", &tic2)
|
|
tic3Addr := fmt.Sprintf("%p", &tic3)
|
|
v3Addr := fmt.Sprintf("%p", pv3)
|
|
pv3Addr := fmt.Sprintf("%p", &pv3)
|
|
v3t := "spew_test.indirCir1"
|
|
v3t2 := "spew_test.indirCir2"
|
|
v3t3 := "spew_test.indirCir3"
|
|
v3s := "{\n ps2: (*" + v3t2 + ")(" + tic2Addr + ")({\n ps3: (*" + v3t3 +
|
|
")(" + tic3Addr + ")({\n ps1: (*" + v3t + ")(" + v3Addr +
|
|
")({\n ps2: (*" + v3t2 + ")(" + tic2Addr +
|
|
")(<already shown>)\n })\n })\n })\n}"
|
|
v3s2 := "{\n ps2: (*" + v3t2 + ")(" + tic2Addr + ")({\n ps3: (*" + v3t3 +
|
|
")(" + tic3Addr + ")({\n ps1: (*" + v3t + ")(" + v3Addr +
|
|
")(<already shown>)\n })\n })\n}"
|
|
addDumpTest(v3, "("+v3t+") "+v3s+"\n")
|
|
addDumpTest(pv3, "(*"+v3t+")("+v3Addr+")("+v3s2+")\n")
|
|
addDumpTest(&pv3, "(**"+v3t+")("+pv3Addr+"->"+v3Addr+")("+v3s2+")\n")
|
|
}
|
|
|
|
// TestDump executes all of the tests described by dumpTests.
|
|
func TestDump(t *testing.T) {
|
|
t.Logf("Running %d tests", len(dumpTests))
|
|
for i, test := range dumpTests {
|
|
buf := new(bytes.Buffer)
|
|
spew.Fdump(buf, test.in)
|
|
s := buf.String()
|
|
if test.want != buf.String() {
|
|
t.Errorf("Dump #%d\n got: %s want: %s", i, s, test.want)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
// Setup tests.f
|
|
func init() {
|
|
addIntTests()
|
|
addUintTests()
|
|
addBoolTests()
|
|
addFloatTests()
|
|
addComplexTests()
|
|
addArrayTests()
|
|
addSliceTests()
|
|
addStringTests()
|
|
addNilInterfaceTests()
|
|
addMapTests()
|
|
addStructTests()
|
|
addUintptrTests()
|
|
addUnsafePointerTests()
|
|
addChanTests()
|
|
addFuncTests()
|
|
addCircularTests()
|
|
}
|