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How to use Return method of got Package

Best Got code snippet using got.Return

shift_test.go

Source:shift_test.go

1// Copyright 2016 The Go Authors. All rights reserved.2// Use of this source code is governed by a BSD-style3// license that can be found in the LICENSE file.4package gc5import (6	"reflect"7	"testing"8)9// Tests shifts of zero.10//go:noinline11func ofz64l64(n uint64) int64 {12	var x int6413	return x << n14}15//go:noinline16func ofz64l32(n uint32) int64 {17	var x int6418	return x << n19}20//go:noinline21func ofz64l16(n uint16) int64 {22	var x int6423	return x << n24}25//go:noinline26func ofz64l8(n uint8) int64 {27	var x int6428	return x << n29}30//go:noinline31func ofz64r64(n uint64) int64 {32	var x int6433	return x >> n34}35//go:noinline36func ofz64r32(n uint32) int64 {37	var x int6438	return x >> n39}40//go:noinline41func ofz64r16(n uint16) int64 {42	var x int6443	return x >> n44}45//go:noinline46func ofz64r8(n uint8) int64 {47	var x int6448	return x >> n49}50//go:noinline51func ofz64ur64(n uint64) uint64 {52	var x uint6453	return x >> n54}55//go:noinline56func ofz64ur32(n uint32) uint64 {57	var x uint6458	return x >> n59}60//go:noinline61func ofz64ur16(n uint16) uint64 {62	var x uint6463	return x >> n64}65//go:noinline66func ofz64ur8(n uint8) uint64 {67	var x uint6468	return x >> n69}70//go:noinline71func ofz32l64(n uint64) int32 {72	var x int3273	return x << n74}75//go:noinline76func ofz32l32(n uint32) int32 {77	var x int3278	return x << n79}80//go:noinline81func ofz32l16(n uint16) int32 {82	var x int3283	return x << n84}85//go:noinline86func ofz32l8(n uint8) int32 {87	var x int3288	return x << n89}90//go:noinline91func ofz32r64(n uint64) int32 {92	var x int3293	return x >> n94}95//go:noinline96func ofz32r32(n uint32) int32 {97	var x int3298	return x >> n99}100//go:noinline101func ofz32r16(n uint16) int32 {102	var x int32103	return x >> n104}105//go:noinline106func ofz32r8(n uint8) int32 {107	var x int32108	return x >> n109}110//go:noinline111func ofz32ur64(n uint64) uint32 {112	var x uint32113	return x >> n114}115//go:noinline116func ofz32ur32(n uint32) uint32 {117	var x uint32118	return x >> n119}120//go:noinline121func ofz32ur16(n uint16) uint32 {122	var x uint32123	return x >> n124}125//go:noinline126func ofz32ur8(n uint8) uint32 {127	var x uint32128	return x >> n129}130//go:noinline131func ofz16l64(n uint64) int16 {132	var x int16133	return x << n134}135//go:noinline136func ofz16l32(n uint32) int16 {137	var x int16138	return x << n139}140//go:noinline141func ofz16l16(n uint16) int16 {142	var x int16143	return x << n144}145//go:noinline146func ofz16l8(n uint8) int16 {147	var x int16148	return x << n149}150//go:noinline151func ofz16r64(n uint64) int16 {152	var x int16153	return x >> n154}155//go:noinline156func ofz16r32(n uint32) int16 {157	var x int16158	return x >> n159}160//go:noinline161func ofz16r16(n uint16) int16 {162	var x int16163	return x >> n164}165//go:noinline166func ofz16r8(n uint8) int16 {167	var x int16168	return x >> n169}170//go:noinline171func ofz16ur64(n uint64) uint16 {172	var x uint16173	return x >> n174}175//go:noinline176func ofz16ur32(n uint32) uint16 {177	var x uint16178	return x >> n179}180//go:noinline181func ofz16ur16(n uint16) uint16 {182	var x uint16183	return x >> n184}185//go:noinline186func ofz16ur8(n uint8) uint16 {187	var x uint16188	return x >> n189}190//go:noinline191func ofz8l64(n uint64) int8 {192	var x int8193	return x << n194}195//go:noinline196func ofz8l32(n uint32) int8 {197	var x int8198	return x << n199}200//go:noinline201func ofz8l16(n uint16) int8 {202	var x int8203	return x << n204}205//go:noinline206func ofz8l8(n uint8) int8 {207	var x int8208	return x << n209}210//go:noinline211func ofz8r64(n uint64) int8 {212	var x int8213	return x >> n214}215//go:noinline216func ofz8r32(n uint32) int8 {217	var x int8218	return x >> n219}220//go:noinline221func ofz8r16(n uint16) int8 {222	var x int8223	return x >> n224}225//go:noinline226func ofz8r8(n uint8) int8 {227	var x int8228	return x >> n229}230//go:noinline231func ofz8ur64(n uint64) uint8 {232	var x uint8233	return x >> n234}235//go:noinline236func ofz8ur32(n uint32) uint8 {237	var x uint8238	return x >> n239}240//go:noinline241func ofz8ur16(n uint16) uint8 {242	var x uint8243	return x >> n244}245//go:noinline246func ofz8ur8(n uint8) uint8 {247	var x uint8248	return x >> n249}250func TestShiftOfZero(t *testing.T) {251	if got := ofz64l64(5); got != 0 {252		t.Errorf("0<<5 == %d, want 0", got)253	}254	if got := ofz64l32(5); got != 0 {255		t.Errorf("0<<5 == %d, want 0", got)256	}257	if got := ofz64l16(5); got != 0 {258		t.Errorf("0<<5 == %d, want 0", got)259	}260	if got := ofz64l8(5); got != 0 {261		t.Errorf("0<<5 == %d, want 0", got)262	}263	if got := ofz64r64(5); got != 0 {264		t.Errorf("0>>5 == %d, want 0", got)265	}266	if got := ofz64r32(5); got != 0 {267		t.Errorf("0>>5 == %d, want 0", got)268	}269	if got := ofz64r16(5); got != 0 {270		t.Errorf("0>>5 == %d, want 0", got)271	}272	if got := ofz64r8(5); got != 0 {273		t.Errorf("0>>5 == %d, want 0", got)274	}275	if got := ofz64ur64(5); got != 0 {276		t.Errorf("0>>>5 == %d, want 0", got)277	}278	if got := ofz64ur32(5); got != 0 {279		t.Errorf("0>>>5 == %d, want 0", got)280	}281	if got := ofz64ur16(5); got != 0 {282		t.Errorf("0>>>5 == %d, want 0", got)283	}284	if got := ofz64ur8(5); got != 0 {285		t.Errorf("0>>>5 == %d, want 0", got)286	}287	if got := ofz32l64(5); got != 0 {288		t.Errorf("0<<5 == %d, want 0", got)289	}290	if got := ofz32l32(5); got != 0 {291		t.Errorf("0<<5 == %d, want 0", got)292	}293	if got := ofz32l16(5); got != 0 {294		t.Errorf("0<<5 == %d, want 0", got)295	}296	if got := ofz32l8(5); got != 0 {297		t.Errorf("0<<5 == %d, want 0", got)298	}299	if got := ofz32r64(5); got != 0 {300		t.Errorf("0>>5 == %d, want 0", got)301	}302	if got := ofz32r32(5); got != 0 {303		t.Errorf("0>>5 == %d, want 0", got)304	}305	if got := ofz32r16(5); got != 0 {306		t.Errorf("0>>5 == %d, want 0", got)307	}308	if got := ofz32r8(5); got != 0 {309		t.Errorf("0>>5 == %d, want 0", got)310	}311	if got := ofz32ur64(5); got != 0 {312		t.Errorf("0>>>5 == %d, want 0", got)313	}314	if got := ofz32ur32(5); got != 0 {315		t.Errorf("0>>>5 == %d, want 0", got)316	}317	if got := ofz32ur16(5); got != 0 {318		t.Errorf("0>>>5 == %d, want 0", got)319	}320	if got := ofz32ur8(5); got != 0 {321		t.Errorf("0>>>5 == %d, want 0", got)322	}323	if got := ofz16l64(5); got != 0 {324		t.Errorf("0<<5 == %d, want 0", got)325	}326	if got := ofz16l32(5); got != 0 {327		t.Errorf("0<<5 == %d, want 0", got)328	}329	if got := ofz16l16(5); got != 0 {330		t.Errorf("0<<5 == %d, want 0", got)331	}332	if got := ofz16l8(5); got != 0 {333		t.Errorf("0<<5 == %d, want 0", got)334	}335	if got := ofz16r64(5); got != 0 {336		t.Errorf("0>>5 == %d, want 0", got)337	}338	if got := ofz16r32(5); got != 0 {339		t.Errorf("0>>5 == %d, want 0", got)340	}341	if got := ofz16r16(5); got != 0 {342		t.Errorf("0>>5 == %d, want 0", got)343	}344	if got := ofz16r8(5); got != 0 {345		t.Errorf("0>>5 == %d, want 0", got)346	}347	if got := ofz16ur64(5); got != 0 {348		t.Errorf("0>>>5 == %d, want 0", got)349	}350	if got := ofz16ur32(5); got != 0 {351		t.Errorf("0>>>5 == %d, want 0", got)352	}353	if got := ofz16ur16(5); got != 0 {354		t.Errorf("0>>>5 == %d, want 0", got)355	}356	if got := ofz16ur8(5); got != 0 {357		t.Errorf("0>>>5 == %d, want 0", got)358	}359	if got := ofz8l64(5); got != 0 {360		t.Errorf("0<<5 == %d, want 0", got)361	}362	if got := ofz8l32(5); got != 0 {363		t.Errorf("0<<5 == %d, want 0", got)364	}365	if got := ofz8l16(5); got != 0 {366		t.Errorf("0<<5 == %d, want 0", got)367	}368	if got := ofz8l8(5); got != 0 {369		t.Errorf("0<<5 == %d, want 0", got)370	}371	if got := ofz8r64(5); got != 0 {372		t.Errorf("0>>5 == %d, want 0", got)373	}374	if got := ofz8r32(5); got != 0 {375		t.Errorf("0>>5 == %d, want 0", got)376	}377	if got := ofz8r16(5); got != 0 {378		t.Errorf("0>>5 == %d, want 0", got)379	}380	if got := ofz8r8(5); got != 0 {381		t.Errorf("0>>5 == %d, want 0", got)382	}383	if got := ofz8ur64(5); got != 0 {384		t.Errorf("0>>>5 == %d, want 0", got)385	}386	if got := ofz8ur32(5); got != 0 {387		t.Errorf("0>>>5 == %d, want 0", got)388	}389	if got := ofz8ur16(5); got != 0 {390		t.Errorf("0>>>5 == %d, want 0", got)391	}392	if got := ofz8ur8(5); got != 0 {393		t.Errorf("0>>>5 == %d, want 0", got)394	}395}396//go:noinline397func byz64l(n int64) int64 {398	return n << 0399}400//go:noinline401func byz64r(n int64) int64 {402	return n >> 0403}404//go:noinline405func byz64ur(n uint64) uint64 {406	return n >> 0407}408//go:noinline409func byz32l(n int32) int32 {410	return n << 0411}412//go:noinline413func byz32r(n int32) int32 {414	return n >> 0415}416//go:noinline417func byz32ur(n uint32) uint32 {418	return n >> 0419}420//go:noinline421func byz16l(n int16) int16 {422	return n << 0423}424//go:noinline425func byz16r(n int16) int16 {426	return n >> 0427}428//go:noinline429func byz16ur(n uint16) uint16 {430	return n >> 0431}432//go:noinline433func byz8l(n int8) int8 {434	return n << 0435}436//go:noinline437func byz8r(n int8) int8 {438	return n >> 0439}440//go:noinline441func byz8ur(n uint8) uint8 {442	return n >> 0443}444func TestShiftByZero(t *testing.T) {445	{446		var n int64 = 0x5555555555555555447		if got := byz64l(n); got != n {448			t.Errorf("%x<<0 == %x, want %x", n, got, n)449		}450		if got := byz64r(n); got != n {451			t.Errorf("%x>>0 == %x, want %x", n, got, n)452		}453	}454	{455		var n uint64 = 0xaaaaaaaaaaaaaaaa456		if got := byz64ur(n); got != n {457			t.Errorf("%x>>>0 == %x, want %x", n, got, n)458		}459	}460	{461		var n int32 = 0x55555555462		if got := byz32l(n); got != n {463			t.Errorf("%x<<0 == %x, want %x", n, got, n)464		}465		if got := byz32r(n); got != n {466			t.Errorf("%x>>0 == %x, want %x", n, got, n)467		}468	}469	{470		var n uint32 = 0xaaaaaaaa471		if got := byz32ur(n); got != n {472			t.Errorf("%x>>>0 == %x, want %x", n, got, n)473		}474	}475	{476		var n int16 = 0x5555477		if got := byz16l(n); got != n {478			t.Errorf("%x<<0 == %x, want %x", n, got, n)479		}480		if got := byz16r(n); got != n {481			t.Errorf("%x>>0 == %x, want %x", n, got, n)482		}483	}484	{485		var n uint16 = 0xaaaa486		if got := byz16ur(n); got != n {487			t.Errorf("%x>>>0 == %x, want %x", n, got, n)488		}489	}490	{491		var n int8 = 0x55492		if got := byz8l(n); got != n {493			t.Errorf("%x<<0 == %x, want %x", n, got, n)494		}495		if got := byz8r(n); got != n {496			t.Errorf("%x>>0 == %x, want %x", n, got, n)497		}498	}499	{500		var n uint8 = 0x55501		if got := byz8ur(n); got != n {502			t.Errorf("%x>>>0 == %x, want %x", n, got, n)503		}504	}505}506//go:noinline507func two64l(x int64) int64 {508	return x << 1 << 1509}510//go:noinline511func two64r(x int64) int64 {512	return x >> 1 >> 1513}514//go:noinline515func two64ur(x uint64) uint64 {516	return x >> 1 >> 1517}518//go:noinline519func two32l(x int32) int32 {520	return x << 1 << 1521}522//go:noinline523func two32r(x int32) int32 {524	return x >> 1 >> 1525}526//go:noinline527func two32ur(x uint32) uint32 {528	return x >> 1 >> 1529}530//go:noinline531func two16l(x int16) int16 {532	return x << 1 << 1533}534//go:noinline535func two16r(x int16) int16 {536	return x >> 1 >> 1537}538//go:noinline539func two16ur(x uint16) uint16 {540	return x >> 1 >> 1541}542//go:noinline543func two8l(x int8) int8 {544	return x << 1 << 1545}546//go:noinline547func two8r(x int8) int8 {548	return x >> 1 >> 1549}550//go:noinline551func two8ur(x uint8) uint8 {552	return x >> 1 >> 1553}554func TestShiftCombine(t *testing.T) {555	if got, want := two64l(4), int64(16); want != got {556		t.Errorf("4<<1<<1 == %d, want %d", got, want)557	}558	if got, want := two64r(64), int64(16); want != got {559		t.Errorf("64>>1>>1 == %d, want %d", got, want)560	}561	if got, want := two64ur(64), uint64(16); want != got {562		t.Errorf("64>>1>>1 == %d, want %d", got, want)563	}564	if got, want := two32l(4), int32(16); want != got {565		t.Errorf("4<<1<<1 == %d, want %d", got, want)566	}567	if got, want := two32r(64), int32(16); want != got {568		t.Errorf("64>>1>>1 == %d, want %d", got, want)569	}570	if got, want := two32ur(64), uint32(16); want != got {571		t.Errorf("64>>1>>1 == %d, want %d", got, want)572	}573	if got, want := two16l(4), int16(16); want != got {574		t.Errorf("4<<1<<1 == %d, want %d", got, want)575	}576	if got, want := two16r(64), int16(16); want != got {577		t.Errorf("64>>1>>1 == %d, want %d", got, want)578	}579	if got, want := two16ur(64), uint16(16); want != got {580		t.Errorf("64>>1>>1 == %d, want %d", got, want)581	}582	if got, want := two8l(4), int8(16); want != got {583		t.Errorf("4<<1<<1 == %d, want %d", got, want)584	}585	if got, want := two8r(64), int8(16); want != got {586		t.Errorf("64>>1>>1 == %d, want %d", got, want)587	}588	if got, want := two8ur(64), uint8(16); want != got {589		t.Errorf("64>>1>>1 == %d, want %d", got, want)590	}591}592//go:noinline593func three64l(x int64) int64 {594	return x << 3 >> 1 << 2595}596//go:noinline597func three64ul(x uint64) uint64 {598	return x << 3 >> 1 << 2599}600//go:noinline601func three64r(x int64) int64 {602	return x >> 3 << 1 >> 2603}604//go:noinline605func three64ur(x uint64) uint64 {606	return x >> 3 << 1 >> 2607}608//go:noinline609func three32l(x int32) int32 {610	return x << 3 >> 1 << 2611}612//go:noinline613func three32ul(x uint32) uint32 {614	return x << 3 >> 1 << 2615}616//go:noinline617func three32r(x int32) int32 {618	return x >> 3 << 1 >> 2619}620//go:noinline621func three32ur(x uint32) uint32 {622	return x >> 3 << 1 >> 2623}624//go:noinline625func three16l(x int16) int16 {626	return x << 3 >> 1 << 2627}628//go:noinline629func three16ul(x uint16) uint16 {630	return x << 3 >> 1 << 2631}632//go:noinline633func three16r(x int16) int16 {634	return x >> 3 << 1 >> 2635}636//go:noinline637func three16ur(x uint16) uint16 {638	return x >> 3 << 1 >> 2639}640//go:noinline641func three8l(x int8) int8 {642	return x << 3 >> 1 << 2643}644//go:noinline645func three8ul(x uint8) uint8 {646	return x << 3 >> 1 << 2647}648//go:noinline649func three8r(x int8) int8 {650	return x >> 3 << 1 >> 2651}652//go:noinline653func three8ur(x uint8) uint8 {654	return x >> 3 << 1 >> 2655}656func TestShiftCombine3(t *testing.T) {657	if got, want := three64l(4), int64(64); want != got {658		t.Errorf("4<<1<<1 == %d, want %d", got, want)659	}660	if got, want := three64ul(4), uint64(64); want != got {661		t.Errorf("4<<1<<1 == %d, want %d", got, want)662	}663	if got, want := three64r(64), int64(4); want != got {664		t.Errorf("64>>1>>1 == %d, want %d", got, want)665	}666	if got, want := three64ur(64), uint64(4); want != got {667		t.Errorf("64>>1>>1 == %d, want %d", got, want)668	}669	if got, want := three32l(4), int32(64); want != got {670		t.Errorf("4<<1<<1 == %d, want %d", got, want)671	}672	if got, want := three32ul(4), uint32(64); want != got {673		t.Errorf("4<<1<<1 == %d, want %d", got, want)674	}675	if got, want := three32r(64), int32(4); want != got {676		t.Errorf("64>>1>>1 == %d, want %d", got, want)677	}678	if got, want := three32ur(64), uint32(4); want != got {679		t.Errorf("64>>1>>1 == %d, want %d", got, want)680	}681	if got, want := three16l(4), int16(64); want != got {682		t.Errorf("4<<1<<1 == %d, want %d", got, want)683	}684	if got, want := three16ul(4), uint16(64); want != got {685		t.Errorf("4<<1<<1 == %d, want %d", got, want)686	}687	if got, want := three16r(64), int16(4); want != got {688		t.Errorf("64>>1>>1 == %d, want %d", got, want)689	}690	if got, want := three16ur(64), uint16(4); want != got {691		t.Errorf("64>>1>>1 == %d, want %d", got, want)692	}693	if got, want := three8l(4), int8(64); want != got {694		t.Errorf("4<<1<<1 == %d, want %d", got, want)695	}696	if got, want := three8ul(4), uint8(64); want != got {697		t.Errorf("4<<1<<1 == %d, want %d", got, want)698	}699	if got, want := three8r(64), int8(4); want != got {700		t.Errorf("64>>1>>1 == %d, want %d", got, want)701	}702	if got, want := three8ur(64), uint8(4); want != got {703		t.Errorf("64>>1>>1 == %d, want %d", got, want)704	}705}706var (707	one64  int64  = 1708	one64u uint64 = 1709	one32  int32  = 1710	one32u uint32 = 1711	one16  int16  = 1712	one16u uint16 = 1713	one8   int8   = 1714	one8u  uint8  = 1715)716func TestShiftLargeCombine(t *testing.T) {717	var N uint64 = 0x8000000000000000718	if one64<<N<<N == 1 {719		t.Errorf("shift overflow mishandled")720	}721	if one64>>N>>N == 1 {722		t.Errorf("shift overflow mishandled")723	}724	if one64u>>N>>N == 1 {725		t.Errorf("shift overflow mishandled")726	}727	if one32<<N<<N == 1 {728		t.Errorf("shift overflow mishandled")729	}730	if one32>>N>>N == 1 {731		t.Errorf("shift overflow mishandled")732	}733	if one32u>>N>>N == 1 {734		t.Errorf("shift overflow mishandled")735	}736	if one16<<N<<N == 1 {737		t.Errorf("shift overflow mishandled")738	}739	if one16>>N>>N == 1 {740		t.Errorf("shift overflow mishandled")741	}742	if one16u>>N>>N == 1 {743		t.Errorf("shift overflow mishandled")744	}745	if one8<<N<<N == 1 {746		t.Errorf("shift overflow mishandled")747	}748	if one8>>N>>N == 1 {749		t.Errorf("shift overflow mishandled")750	}751	if one8u>>N>>N == 1 {752		t.Errorf("shift overflow mishandled")753	}754}755func TestShiftLargeCombine3(t *testing.T) {756	var N uint64 = 0x8000000000000001757	if one64<<N>>2<<N == 1 {758		t.Errorf("shift overflow mishandled")759	}760	if one64u<<N>>2<<N == 1 {761		t.Errorf("shift overflow mishandled")762	}763	if one64>>N<<2>>N == 1 {764		t.Errorf("shift overflow mishandled")765	}766	if one64u>>N<<2>>N == 1 {767		t.Errorf("shift overflow mishandled")768	}769	if one32<<N>>2<<N == 1 {770		t.Errorf("shift overflow mishandled")771	}772	if one32u<<N>>2<<N == 1 {773		t.Errorf("shift overflow mishandled")774	}775	if one32>>N<<2>>N == 1 {776		t.Errorf("shift overflow mishandled")777	}778	if one32u>>N<<2>>N == 1 {779		t.Errorf("shift overflow mishandled")780	}781	if one16<<N>>2<<N == 1 {782		t.Errorf("shift overflow mishandled")783	}784	if one16u<<N>>2<<N == 1 {785		t.Errorf("shift overflow mishandled")786	}787	if one16>>N<<2>>N == 1 {788		t.Errorf("shift overflow mishandled")789	}790	if one16u>>N<<2>>N == 1 {791		t.Errorf("shift overflow mishandled")792	}793	if one8<<N>>2<<N == 1 {794		t.Errorf("shift overflow mishandled")795	}796	if one8u<<N>>2<<N == 1 {797		t.Errorf("shift overflow mishandled")798	}799	if one8>>N<<2>>N == 1 {800		t.Errorf("shift overflow mishandled")801	}802	if one8u>>N<<2>>N == 1 {803		t.Errorf("shift overflow mishandled")804	}805}806func TestShiftGeneric(t *testing.T) {807	for _, test := range [...]struct {808		valueWidth int809		signed     bool810		shiftWidth int811		left       bool812		f          interface{}813	}{814		{64, true, 64, true, func(n int64, s uint64) int64 { return n << s }},815		{64, true, 64, false, func(n int64, s uint64) int64 { return n >> s }},816		{64, false, 64, false, func(n uint64, s uint64) uint64 { return n >> s }},817		{64, true, 32, true, func(n int64, s uint32) int64 { return n << s }},818		{64, true, 32, false, func(n int64, s uint32) int64 { return n >> s }},819		{64, false, 32, false, func(n uint64, s uint32) uint64 { return n >> s }},820		{64, true, 16, true, func(n int64, s uint16) int64 { return n << s }},821		{64, true, 16, false, func(n int64, s uint16) int64 { return n >> s }},822		{64, false, 16, false, func(n uint64, s uint16) uint64 { return n >> s }},823		{64, true, 8, true, func(n int64, s uint8) int64 { return n << s }},824		{64, true, 8, false, func(n int64, s uint8) int64 { return n >> s }},825		{64, false, 8, false, func(n uint64, s uint8) uint64 { return n >> s }},826		{32, true, 64, true, func(n int32, s uint64) int32 { return n << s }},827		{32, true, 64, false, func(n int32, s uint64) int32 { return n >> s }},828		{32, false, 64, false, func(n uint32, s uint64) uint32 { return n >> s }},829		{32, true, 32, true, func(n int32, s uint32) int32 { return n << s }},830		{32, true, 32, false, func(n int32, s uint32) int32 { return n >> s }},831		{32, false, 32, false, func(n uint32, s uint32) uint32 { return n >> s }},832		{32, true, 16, true, func(n int32, s uint16) int32 { return n << s }},833		{32, true, 16, false, func(n int32, s uint16) int32 { return n >> s }},834		{32, false, 16, false, func(n uint32, s uint16) uint32 { return n >> s }},835		{32, true, 8, true, func(n int32, s uint8) int32 { return n << s }},836		{32, true, 8, false, func(n int32, s uint8) int32 { return n >> s }},837		{32, false, 8, false, func(n uint32, s uint8) uint32 { return n >> s }},838		{16, true, 64, true, func(n int16, s uint64) int16 { return n << s }},839		{16, true, 64, false, func(n int16, s uint64) int16 { return n >> s }},840		{16, false, 64, false, func(n uint16, s uint64) uint16 { return n >> s }},841		{16, true, 32, true, func(n int16, s uint32) int16 { return n << s }},842		{16, true, 32, false, func(n int16, s uint32) int16 { return n >> s }},843		{16, false, 32, false, func(n uint16, s uint32) uint16 { return n >> s }},844		{16, true, 16, true, func(n int16, s uint16) int16 { return n << s }},845		{16, true, 16, false, func(n int16, s uint16) int16 { return n >> s }},846		{16, false, 16, false, func(n uint16, s uint16) uint16 { return n >> s }},847		{16, true, 8, true, func(n int16, s uint8) int16 { return n << s }},848		{16, true, 8, false, func(n int16, s uint8) int16 { return n >> s }},849		{16, false, 8, false, func(n uint16, s uint8) uint16 { return n >> s }},850		{8, true, 64, true, func(n int8, s uint64) int8 { return n << s }},851		{8, true, 64, false, func(n int8, s uint64) int8 { return n >> s }},852		{8, false, 64, false, func(n uint8, s uint64) uint8 { return n >> s }},853		{8, true, 32, true, func(n int8, s uint32) int8 { return n << s }},854		{8, true, 32, false, func(n int8, s uint32) int8 { return n >> s }},855		{8, false, 32, false, func(n uint8, s uint32) uint8 { return n >> s }},856		{8, true, 16, true, func(n int8, s uint16) int8 { return n << s }},857		{8, true, 16, false, func(n int8, s uint16) int8 { return n >> s }},858		{8, false, 16, false, func(n uint8, s uint16) uint8 { return n >> s }},859		{8, true, 8, true, func(n int8, s uint8) int8 { return n << s }},860		{8, true, 8, false, func(n int8, s uint8) int8 { return n >> s }},861		{8, false, 8, false, func(n uint8, s uint8) uint8 { return n >> s }},862	} {863		fv := reflect.ValueOf(test.f)864		var args [2]reflect.Value865		for i := 0; i < test.valueWidth; i++ {866			// Build value to be shifted.867			var n int64 = 1868			for j := 0; j < i; j++ {869				n <<= 1870			}871			args[0] = reflect.ValueOf(n).Convert(fv.Type().In(0))872			for s := 0; s <= test.shiftWidth; s++ {873				args[1] = reflect.ValueOf(s).Convert(fv.Type().In(1))874				// Compute desired result. We're testing variable shifts875				// assuming constant shifts are correct.876				r := n877				var op string878				switch {879				case test.left:880					op = "<<"881					for j := 0; j < s; j++ {882						r <<= 1883					}884					switch test.valueWidth {885					case 32:886						r = int64(int32(r))887					case 16:888						r = int64(int16(r))889					case 8:890						r = int64(int8(r))891					}892				case test.signed:893					op = ">>"894					switch test.valueWidth {895					case 32:896						r = int64(int32(r))897					case 16:898						r = int64(int16(r))899					case 8:900						r = int64(int8(r))901					}902					for j := 0; j < s; j++ {903						r >>= 1904					}905				default:906					op = ">>>"907					for j := 0; j < s; j++ {908						r = int64(uint64(r) >> 1)909					}910				}911				// Call function.912				res := fv.Call(args[:])[0].Convert(reflect.ValueOf(r).Type())913				if res.Int() != r {914					t.Errorf("%s%dx%d(%x,%x)=%x, want %x", op, test.valueWidth, test.shiftWidth, n, s, res.Int(), r)915				}916			}917		}918	}919}...

util.go

Source:util.go

...20	"golang.org/x/tools/internal/span"21)22// DiffLinks takes the links we got and checks if they are located within the source or a Note.23// If the link is within a Note, the link is removed.24// Returns an diff comment if there are differences and empty string if no diffs.25func DiffLinks(mapper *protocol.ColumnMapper, wantLinks []Link, gotLinks []protocol.DocumentLink) string {26	var notePositions []token.Position27	links := make(map[span.Span]string, len(wantLinks))28	for _, link := range wantLinks {29		links[link.Src] = link.Target30		notePositions = append(notePositions, link.NotePosition)31	}32	for _, link := range gotLinks {33		spn, err := mapper.RangeSpan(link.Range)34		if err != nil {35			return fmt.Sprintf("%v", err)36		}37		linkInNote := false38		for _, notePosition := range notePositions {...

Return

Using AI Code Generation

1import (2type Vertex struct {3}4func (v Vertex) Abs() float64 {5	return math.Sqrt(v.X*v.X + v.Y*v.Y)6}7func (v *Vertex) Scale(f float64) {8}9func (v *Vertex) Scale2(f float64) {10}11func (v *Vertex) Scale3(f float64) {12}13func main() {14	v := Vertex{3, 4}15	v.Scale(10)16	fmt.Println(v.Abs())17	v2 := &Vertex{3, 4}18	v2.Scale2(10)19	fmt.Println(v2.Abs())20	v3 := &Vertex{3, 4}21	v3.Scale3(10)22	fmt.Println(v3.Abs())23}

Return

Using AI Code Generation

1import (2func main() {3	http.HandleFunc("/", index)4	http.HandleFunc("/about", about)5	http.ListenAndServe(":8080", nil)6}7func index(w http.ResponseWriter, r *http.Request) {8	fmt.Fprint(w, "<h1>Welcome</h1>")9}10func about(w http.ResponseWriter, r *http.Request) {11	fmt.Fprint(w, "<h1>About</h1>")12}13import (14func main() {15	http.HandleFunc("/", index)16	http.HandleFunc("/about", about)17	http.ListenAndServe(":8080", nil)18}19func index(w http.ResponseWriter, r *http.Request) {20	http.ServeFile(w, r, "index.html")21}22func about(w http.ResponseWriter, r *http.Request) {23	http.ServeFile(w, r, "about.html")24}25import (26func index(w http.ResponseWriter, r *http.Request) {27	w.Header().Set("Content-Type", "text/html")28	fmt.Fprint(w, "<h1>Welcome</h1>")29}30func about(w http.ResponseWriter, r *http.Request) {31	w.Header().Set("Content-Type", "text/html")32	fmt.Fprint(w, "<h1>About</h1>")33}34func main() {35	http.HandleFunc("/", index)36	http.HandleFunc("/about", about)37	http.ListenAndServe(":8080", nil)38}39import (40func index(w http.ResponseWriter, r *http.Request) {41	w.Header().Set("Content-Type", "text/html")42	fmt.Fprint(w, "<h1>Welcome</h1>")43}44func about(w http.ResponseWriter, r *http.Request) {45	w.WriteHeader(http.StatusNotFound)46	fmt.Fprint(w, "<h1>Page not found</h1>")47}48func main() {49	http.HandleFunc("/", index)50	http.HandleFunc("/about", about)51	http.ListenAndServe(":8080", nil)52}53import (54func index(w http.ResponseWriter, r *http.Request) {

Return

Using AI Code Generation

1import (2type Vertex struct {3}4func (v Vertex) Abs() float64 {5	return math.Sqrt(v.X*v.X + v.Y*v.Y)6}7func (v *Vertex) Scale(f float64) {8}9func (v *Vertex) Scale2(f float64) {10}11func (v *Vertex) Scale3(f float64) {12}13func (v *Vertex) Scale4(f float64) {14}15func (v *Vertex) Scale5(f float64) {16}17func (v *Vertex) Scale6(f float64) {18}19func (v *Vertex) Scale7(f float64) {20}21func (v *Vertex) Scale8(f float64) {22}23func (v *Vertex) Scale9(f float64) {24}25func (v *Vertex) Scale10(f float64) {26}27func main() {28	v := Vertex{3, 4}29	v.Scale(10)30	fmt.Println(v.Abs())31}

Return

Using AI Code Generation

1import (2func main() {3	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {4		fmt.Println("Hello World")5	})6	http.ListenAndServe(":8080", nil)7}

Return

Using AI Code Generation

1import (2type got struct {3}4func (g got) Return() string {5	return fmt.Sprint(g.name, g.age)6}7func main() {8	p1 := got{9	}10	p2 := got{11	}12	fmt.Println(p1.Return())13	fmt.Println(p2.Return())14}

Return

Using AI Code Generation

1import (2func main() {3	fmt.Println("Enter two numbers")4	fmt.Scanln(&x, &y)5	z := got.Return(x, y)6	fmt.Println("The sum is:", z)7}

Automation Testing Tutorials

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