PNG  IHDRxsBIT|d pHYs+tEXtSoftwarewww.inkscape.org<,tEXtComment File Manager

File Manager

Path: /opt/golang/1.22.0/src/log/slog/

Viewing File: value_test.go

// Copyright 2022 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 slog

import (
	"fmt"
	"reflect"
	"strings"
	"testing"
	"time"
	"unsafe"
)

func TestKindString(t *testing.T) {
	if got, want := KindGroup.String(), "Group"; got != want {
		t.Errorf("got %q, want %q", got, want)
	}
}

func TestValueEqual(t *testing.T) {
	var x, y int
	vals := []Value{
		{},
		Int64Value(1),
		Int64Value(2),
		Float64Value(3.5),
		Float64Value(3.7),
		BoolValue(true),
		BoolValue(false),
		TimeValue(testTime),
		AnyValue(&x),
		AnyValue(&y),
		GroupValue(Bool("b", true), Int("i", 3)),
	}
	for i, v1 := range vals {
		for j, v2 := range vals {
			got := v1.Equal(v2)
			want := i == j
			if got != want {
				t.Errorf("%v.Equal(%v): got %t, want %t", v1, v2, got, want)
			}
		}
	}
}

func panics(f func()) (b bool) {
	defer func() {
		if x := recover(); x != nil {
			b = true
		}
	}()
	f()
	return false
}

func TestValueString(t *testing.T) {
	for _, test := range []struct {
		v    Value
		want string
	}{
		{Int64Value(-3), "-3"},
		{Uint64Value(1), "1"},
		{Float64Value(.15), "0.15"},
		{BoolValue(true), "true"},
		{StringValue("foo"), "foo"},
		{TimeValue(testTime), "2000-01-02 03:04:05 +0000 UTC"},
		{AnyValue(time.Duration(3 * time.Second)), "3s"},
		{GroupValue(Int("a", 1), Bool("b", true)), "[a=1 b=true]"},
	} {
		if got := test.v.String(); got != test.want {
			t.Errorf("%#v:\ngot  %q\nwant %q", test.v, got, test.want)
		}
	}
}

func TestValueNoAlloc(t *testing.T) {
	// Assign values just to make sure the compiler doesn't optimize away the statements.
	var (
		i  int64
		u  uint64
		f  float64
		b  bool
		s  string
		x  any
		p  = &i
		d  time.Duration
		tm time.Time
	)
	a := int(testing.AllocsPerRun(5, func() {
		i = Int64Value(1).Int64()
		u = Uint64Value(1).Uint64()
		f = Float64Value(1).Float64()
		b = BoolValue(true).Bool()
		s = StringValue("foo").String()
		d = DurationValue(d).Duration()
		tm = TimeValue(testTime).Time()
		x = AnyValue(p).Any()
	}))
	if a != 0 {
		t.Errorf("got %d allocs, want zero", a)
	}
	_ = u
	_ = f
	_ = b
	_ = s
	_ = x
	_ = tm
}

func TestAnyLevelAlloc(t *testing.T) {
	// Because typical Levels are small integers,
	// they are zero-alloc.
	var a Value
	x := LevelDebug + 100
	wantAllocs(t, 0, func() { a = AnyValue(x) })
	_ = a
}

func TestAnyValue(t *testing.T) {
	for _, test := range []struct {
		in   any
		want Value
	}{
		{1, IntValue(1)},
		{1.5, Float64Value(1.5)},
		{float32(2.5), Float64Value(2.5)},
		{"s", StringValue("s")},
		{true, BoolValue(true)},
		{testTime, TimeValue(testTime)},
		{time.Hour, DurationValue(time.Hour)},
		{[]Attr{Int("i", 3)}, GroupValue(Int("i", 3))},
		{IntValue(4), IntValue(4)},
		{uint(2), Uint64Value(2)},
		{uint8(3), Uint64Value(3)},
		{uint16(4), Uint64Value(4)},
		{uint32(5), Uint64Value(5)},
		{uint64(6), Uint64Value(6)},
		{uintptr(7), Uint64Value(7)},
		{int8(8), Int64Value(8)},
		{int16(9), Int64Value(9)},
		{int32(10), Int64Value(10)},
		{int64(11), Int64Value(11)},
	} {
		got := AnyValue(test.in)
		if !got.Equal(test.want) {
			t.Errorf("%v (%[1]T): got %v (kind %s), want %v (kind %s)",
				test.in, got, got.Kind(), test.want, test.want.Kind())
		}
	}
}

func TestValueAny(t *testing.T) {
	for _, want := range []any{
		nil,
		LevelDebug + 100,
		time.UTC, // time.Locations treated specially...
		KindBool, // ...as are Kinds
		[]Attr{Int("a", 1)},
		int64(2),
		uint64(3),
		true,
		time.Minute,
		time.Time{},
		3.14,
	} {
		v := AnyValue(want)
		got := v.Any()
		if !reflect.DeepEqual(got, want) {
			t.Errorf("got %v, want %v", got, want)
		}
	}
}

func TestLogValue(t *testing.T) {
	want := "replaced"
	r := &replace{StringValue(want)}
	v := AnyValue(r)
	if g, w := v.Kind(), KindLogValuer; g != w {
		t.Errorf("got %s, want %s", g, w)
	}
	got := v.LogValuer().LogValue().Any()
	if got != want {
		t.Errorf("got %#v, want %#v", got, want)
	}

	// Test Resolve.
	got = v.Resolve().Any()
	if got != want {
		t.Errorf("got %#v, want %#v", got, want)
	}

	// Test Resolve max iteration.
	r.v = AnyValue(r) // create a cycle
	got = AnyValue(r).Resolve().Any()
	if _, ok := got.(error); !ok {
		t.Errorf("expected error, got %T", got)
	}

	// Groups are not recursively resolved.
	c := Any("c", &replace{StringValue("d")})
	v = AnyValue(&replace{GroupValue(Int("a", 1), Group("b", c))})
	got2 := v.Resolve().Any().([]Attr)
	want2 := []Attr{Int("a", 1), Group("b", c)}
	if !attrsEqual(got2, want2) {
		t.Errorf("got %v, want %v", got2, want2)
	}

	// Verify that panics in Resolve are caught and turn into errors.
	v = AnyValue(panickingLogValue{})
	got = v.Resolve().Any()
	gotErr, ok := got.(error)
	if !ok {
		t.Errorf("expected error, got %T", got)
	}
	// The error should provide some context information.
	// We'll just check that this function name appears in it.
	if got, want := gotErr.Error(), "TestLogValue"; !strings.Contains(got, want) {
		t.Errorf("got %q, want substring %q", got, want)
	}
}

func TestZeroTime(t *testing.T) {
	z := time.Time{}
	got := TimeValue(z).Time()
	if !got.IsZero() {
		t.Errorf("got %s (%#[1]v), not zero time (%#v)", got, z)
	}
}

func TestEmptyGroup(t *testing.T) {
	g := GroupValue(
		Int("a", 1),
		Group("g1", Group("g2")),
		Group("g3", Group("g4", Int("b", 2))))
	got := g.Group()
	want := []Attr{Int("a", 1), Group("g3", Group("g4", Int("b", 2)))}
	if !attrsEqual(got, want) {
		t.Errorf("\ngot  %v\nwant %v", got, want)
	}
}

type replace struct {
	v Value
}

func (r *replace) LogValue() Value { return r.v }

type panickingLogValue struct{}

func (panickingLogValue) LogValue() Value { panic("bad") }

// A Value with "unsafe" strings is significantly faster:
// safe:  1785 ns/op, 0 allocs
// unsafe: 690 ns/op, 0 allocs

// Run this with and without -tags unsafe_kvs to compare.
func BenchmarkUnsafeStrings(b *testing.B) {
	b.ReportAllocs()
	dst := make([]Value, 100)
	src := make([]Value, len(dst))
	b.Logf("Value size = %d", unsafe.Sizeof(Value{}))
	for i := range src {
		src[i] = StringValue(fmt.Sprintf("string#%d", i))
	}
	b.ResetTimer()
	var d string
	for i := 0; i < b.N; i++ {
		copy(dst, src)
		for _, a := range dst {
			d = a.String()
		}
	}
	_ = d
}
b IDATxytVսϓ22 A@IR :hCiZ[v*E:WũZA ^dQeQ @ !jZ'>gsV仿$|?g)&x-EIENT ;@xT.i%-X}SvS5.r/UHz^_$-W"w)Ɗ/@Z &IoX P$K}JzX:;` &, ŋui,e6mX ԵrKb1ԗ)DADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADADA݀!I*]R;I2$eZ#ORZSrr6mteffu*((Pu'v{DIߔ4^pIm'77WEEE;vƎ4-$]'RI{\I&G :IHJ DWBB=\WR޽m o$K(V9ABB.}jѢv`^?IOȅ} ڶmG}T#FJ`56$-ھ}FI&v;0(h;Б38CӧOWf!;A i:F_m9s&|q%=#wZprrrla A &P\\СC[A#! {olF} `E2}MK/vV)i{4BffV\|ۭX`b@kɶ@%i$K z5zhmX[IXZ` 'b%$r5M4º/l ԃߖxhʔ)[@=} K6IM}^5k㏷݆z ΗÿO:gdGBmyT/@+Vɶ纽z񕏵l.y޴it뭷zV0[Y^>Wsqs}\/@$(T7f.InݺiR$푔n.~?H))\ZRW'Mo~v Ov6oԃxz! S,&xm/yɞԟ?'uaSѽb,8GלKboi&3t7Y,)JJ c[nzӳdE&KsZLӄ I?@&%ӟ۶mSMMњ0iؐSZ,|J+N ~,0A0!5%Q-YQQa3}$_vVrf9f?S8`zDADADADADADADADADAdqP,تmMmg1V?rSI꒟]u|l RCyEf٢9 jURbztѰ!m5~tGj2DhG*{H9)꒟ר3:(+3\?/;TUݭʴ~S6lڧUJ*i$d(#=Yݺd{,p|3B))q:vN0Y.jkק6;SɶVzHJJЀ-utѹսk>QUU\޲~]fFnK?&ߡ5b=z9)^|u_k-[y%ZNU6 7Mi:]ۦtk[n X(e6Bb."8cۭ|~teuuw|ήI-5"~Uk;ZicEmN/:]M> cQ^uiƞ??Ңpc#TUU3UakNwA`:Y_V-8.KKfRitv޲* 9S6ֿj,ՃNOMߤ]z^fOh|<>@Å5 _/Iu?{SY4hK/2]4%it5q]GGe2%iR| W&f*^]??vq[LgE_3f}Fxu~}qd-ږFxu~I N>\;͗O֊:̗WJ@BhW=y|GgwܷH_NY?)Tdi'?խwhlmQi !SUUsw4kӺe4rfxu-[nHtMFj}H_u~w>)oV}(T'ebʒv3_[+vn@Ȭ\S}ot}w=kHFnxg S 0eޢm~l}uqZfFoZuuEg `zt~? b;t%>WTkķh[2eG8LIWx,^\thrl^Ϊ{=dž<}qV@ ⠨Wy^LF_>0UkDuʫuCs$)Iv:IK;6ֲ4{^6եm+l3>݆uM 9u?>Zc }g~qhKwڭeFMM~pМuqǿz6Tb@8@Y|jx](^]gf}M"tG -w.@vOqh~/HII`S[l.6nØXL9vUcOoB\xoǤ'T&IǍQw_wpv[kmO{w~>#=P1Pɞa-we:iǏlHo׈꒟f9SzH?+shk%Fs:qVhqY`jvO'ρ?PyX3lх]˾uV{ݞ]1,MzYNW~̈́ joYn}ȚF߾׮mS]F z+EDxm/d{F{-W-4wY듏:??_gPf ^3ecg ҵs8R2מz@TANGj)}CNi/R~}c:5{!ZHӋӾ6}T]G]7W6^n 9*,YqOZj:P?Q DFL|?-^.Ɵ7}fFh׶xe2Pscz1&5\cn[=Vn[ĶE鎀uˌd3GII k;lNmشOuuRVfBE]ۣeӶu :X-[(er4~LHi6:Ѻ@ԅrST0trk%$Č0ez" *z"T/X9|8.C5Feg}CQ%͞ˣJvL/?j^h&9xF`њZ(&yF&Iݻfg#W;3^{Wo^4'vV[[K';+mӍִ]AC@W?1^{එyh +^]fm~iԵ]AB@WTk̏t uR?l.OIHiYyԶ]Aˀ7c:q}ힽaf6Z~қm(+sK4{^6}T*UUu]n.:kx{:2 _m=sAߤU@?Z-Vކеz왍Nэ{|5 pڶn b p-@sPg]0G7fy-M{GCF'%{4`=$-Ge\ eU:m+Zt'WjO!OAF@ik&t݆ϥ_ e}=]"Wz_.͜E3leWFih|t-wZۍ-uw=6YN{6|} |*={Ѽn.S.z1zjۻTH]흾 DuDvmvK.`V]yY~sI@t?/ϓ. m&["+P?MzovVЫG3-GRR[(!!\_,^%?v@ҵő m`Y)tem8GMx.))A]Y i`ViW`?^~!S#^+ѽGZj?Vģ0.))A꨷lzL*]OXrY`DBBLOj{-MH'ii-ϰ ok7^ )쭡b]UXSְmռY|5*cֽk0B7镹%ڽP#8nȎq}mJr23_>lE5$iwui+ H~F`IjƵ@q \ @#qG0".0" l`„.0! ,AQHN6qzkKJ#o;`Xv2>,tێJJ7Z/*A .@fفjMzkg @TvZH3Zxu6Ra'%O?/dQ5xYkU]Rֽkق@DaS^RSּ5|BeHNN͘p HvcYcC5:y #`οb;z2.!kr}gUWkyZn=f Pvsn3p~;4p˚=ē~NmI] ¾ 0lH[_L hsh_ғߤc_њec)g7VIZ5yrgk̞W#IjӪv>՞y睝M8[|]\շ8M6%|@PZڨI-m>=k='aiRo-x?>Q.}`Ȏ:Wsmu u > .@,&;+!!˱tﭧDQwRW\vF\~Q7>spYw$%A~;~}6¾ g&if_=j,v+UL1(tWake:@Ș>j$Gq2t7S?vL|]u/ .(0E6Mk6hiۺzښOrifޱxm/Gx> Lal%%~{lBsR4*}{0Z/tNIɚpV^#Lf:u@k#RSu =S^ZyuR/.@n&΃z~B=0eg뺆#,Þ[B/?H uUf7y Wy}Bwegל`Wh(||`l`.;Ws?V@"c:iɍL֯PGv6zctM̠':wuW;d=;EveD}9J@B(0iհ bvP1{\P&G7D޴Iy_$-Qjm~Yrr&]CDv%bh|Yzni_ˆR;kg}nJOIIwyuL}{ЌNj}:+3Y?:WJ/N+Rzd=hb;dj͒suݔ@NKMԄ jqzC5@y°hL m;*5ezᕏ=ep XL n?מ:r`۵tŤZ|1v`V뽧_csج'ߤ%oTuumk%%%h)uy]Nk[n 'b2 l.=͜E%gf$[c;s:V-͞WߤWh-j7]4=F-X]>ZLSi[Y*We;Zan(ӇW|e(HNNP5[= r4tP &0<pc#`vTNV GFqvTi*Tyam$ߏWyE*VJKMTfFw>'$-ؽ.Ho.8c"@DADADADADADADADADA~j*֘,N;Pi3599h=goضLgiJ5փy~}&Zd9p֚ e:|hL``b/d9p? fgg+%%hMgXosج, ΩOl0Zh=xdjLmhݻoO[g_l,8a]٭+ӧ0$I]c]:粹:Teꢢ"5a^Kgh,&= =՟^߶“ߢE ܹS J}I%:8 IDAT~,9/ʃPW'Mo}zNƍ쨓zPbNZ~^z=4mswg;5 Y~SVMRXUյڱRf?s:w ;6H:ºi5-maM&O3;1IKeamZh͛7+##v+c ~u~ca]GnF'ټL~PPPbn voC4R,ӟgg %hq}@#M4IÇ Oy^xMZx ) yOw@HkN˖-Sǎmb]X@n+i͖!++K3gd\$mt$^YfJ\8PRF)77Wא!Cl$i:@@_oG I{$# 8磌ŋ91A (Im7֭>}ߴJq7ޗt^ -[ԩSj*}%]&' -ɓ'ꫯVzzvB#;a 7@GxI{j޼ƌ.LÇWBB7`O"I$/@R @eee@۷>}0,ɒ2$53Xs|cS~rpTYYY} kHc %&k.], @ADADADADADADADADA@lT<%''*Lo^={رc5h %$+CnܸQ3fҥK}vUVVs9G R,_{xˇ3o߾;TTTd}馛]uuuG~iԩ@4bnvmvfϞ /Peeeq}}za I~,誫{UWW뮻}_~YƍSMMMYχ֝waw\ďcxꩧtEƍկ_?۷5@u?1kNׯWzz/wy>}zj3 k(ٺuq_Zvf̘:~ ABQ&r|!%KҥKgԞ={<_X-z !CyFUUz~ ABQIIIjݺW$UXXDٳZ~ ABQƍecW$<(~<RSSvZujjjԧOZQu@4 8m&&&jԩg$ď1h ͟?_{768@g =@`)))5o6m3)ѣƌJ;wҿUTT /KZR{~a=@0o<*狔iFɶ[ˎ;T]]OX@?K.ۈxN pppppppppppppppppPfl߾] ,{ァk۶mڿo5BTӦMӴiӴ|r DB2e|An!Dy'tkΝ[A $***t5' "!駟oaDnΝ:t֭[gDШQ06qD;@ x M6v(PiizmZ4ew"@̴ixf [~-Fٱc&IZ2|n!?$@{[HTɏ#@hȎI# _m(F /6Z3z'\r,r!;w2Z3j=~GY7"I$iI.p_"?pN`y DD?: _  Gÿab7J !Bx@0 Bo cG@`1C[@0G @`0C_u V1 aCX>W ` | `!<S `"<. `#c`?cAC4 ?c p#~@0?:08&_MQ1J h#?/`7;I  q 7a wQ A 1 Hp !#<8/#@1Ul7=S=K.4Z?E_$i@!1!E4?`P_  @Bă10#: "aU,xbFY1 [n|n #'vEH:`xb #vD4Y hi.i&EΖv#O H4IŶ}:Ikh @tZRF#(tXҙzZ ?I3l7q@õ|ۍ1,GpuY Ꮿ@hJv#xxk$ v#9 5 }_$c S#=+"K{F*m7`#%H:NRSp6I?sIՖ{Ap$I$I:QRv2$Z @UJ*$]<FO4IENDB`