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Structured binding for SkZip and SkEnumerate

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Change-Id: I619d45fc270b6405f687096df2d333fe5e5ecb53
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/254276
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Herb Derby <herb@google.com>
This commit is contained in:
Herb Derby 2019-11-12 14:24:41 -05:00 committed by Skia Commit-Bot
parent 1b8dcd112c
commit 06a620868e
1 changed files with 34 additions and 66 deletions
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100
tests/UtilsTest.cpp
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@ -228,9 +228,7 @@ DEF_TEST(SkEnumerate, reporter) {
auto enumeration = SkMakeEnumerate(A);
size_t check = 0;
for (auto t : enumeration) {
size_t i; int v;
std::tie(i, v) = t;
for (auto [i, v] : enumeration) {
REPORTER_ASSERT(reporter, i == check);
REPORTER_ASSERT(reporter, v == (int)check+1);
@ -238,9 +236,7 @@ DEF_TEST(SkEnumerate, reporter) {
}
check = 0;
for (auto t : SkMakeEnumerate(A)) {
size_t i; int v;
std::tie(i, v) = t;
for (auto [i, v] : SkMakeEnumerate(A)) {
REPORTER_ASSERT(reporter, i == check);
REPORTER_ASSERT(reporter, v == (int)check+1);
@ -249,9 +245,7 @@ DEF_TEST(SkEnumerate, reporter) {
check = 0;
std::vector<int> vec = {1, 2, 3, 4};
for (auto t : SkMakeEnumerate(vec)) {
size_t i; int v;
std::tie(i, v) = t;
for (auto [i, v] : SkMakeEnumerate(vec)) {
REPORTER_ASSERT(reporter, i == check);
REPORTER_ASSERT(reporter, v == (int)check+1);
check++;
@ -259,9 +253,7 @@ DEF_TEST(SkEnumerate, reporter) {
REPORTER_ASSERT(reporter, check == 4);
check = 0;
for (auto t : SkMakeEnumerate(SkMakeSpan(vec))) {
size_t i; int v;
std::tie(i, v) = t;
for (auto [i, v] : SkMakeEnumerate(SkMakeSpan(vec))) {
REPORTER_ASSERT(reporter, i == check);
REPORTER_ASSERT(reporter, v == (int)check+1);
check++;
@ -302,9 +294,7 @@ DEF_TEST(SkZip, reporter) {
{
// Check ranged-for
int i = 0;
for (auto t : z) {
uint16_t a; float b; int c; int d; int s;
std::tie(a, b, c, d, s) = t;
for (auto [a, b, c, d, s] : z) {
REPORTER_ASSERT(reporter, a == A[i]);
REPORTER_ASSERT(reporter, b == B[i]);
REPORTER_ASSERT(reporter, c == C[i]);
@ -319,9 +309,7 @@ DEF_TEST(SkZip, reporter) {
{
// Check first(n)
int i = 0;
for (auto t : z.first(2)) {
uint16_t a; float b; int c; int d; int s;
std::tie(a, b, c, d, s) = t;
for (auto [a, b, c, d, s] : z.first(2)) {
REPORTER_ASSERT(reporter, a == A[i]);
REPORTER_ASSERT(reporter, b == B[i]);
REPORTER_ASSERT(reporter, c == C[i]);
@ -371,9 +359,7 @@ DEF_TEST(SkZip, reporter) {
// Check copy.
auto zz{z};
int i = 0;
for (auto t : zz) {
uint16_t a; float b; int c; int d; int s;
std::tie(a, b, c, d, s) = t;
for (auto [a, b, c, d, s] : zz) {
REPORTER_ASSERT(reporter, a == A[i]);
REPORTER_ASSERT(reporter, b == B[i]);
REPORTER_ASSERT(reporter, c == C[i]);
@ -389,9 +375,7 @@ DEF_TEST(SkZip, reporter) {
// Check const restricting copy
SkZip<const uint16_t, const float, const int, int, int> cz = z;
int i = 0;
for (auto t : cz) {
uint16_t a; float b; int c; int d; int s;
std::tie(a, b, c, d, s) = t;
for (auto [a, b, c, d, s] : cz) {
REPORTER_ASSERT(reporter, a == A[i]);
REPORTER_ASSERT(reporter, b == B[i]);
REPORTER_ASSERT(reporter, c == C[i]);
@ -419,26 +403,26 @@ DEF_TEST(SkZip, reporter) {
// The following mutates the data.
{
// Check indexing
auto t = z[1];
REPORTER_ASSERT(reporter, std::get<0>(t) == 2);
REPORTER_ASSERT(reporter, std::get<1>(t) == 20.f);
REPORTER_ASSERT(reporter, std::get<2>(t) == 30);
REPORTER_ASSERT(reporter, std::get<3>(t) == 200);
REPORTER_ASSERT(reporter, std::get<4>(t) == 30);
auto [a, b, c, d, e] = z[1];
REPORTER_ASSERT(reporter, a == 2);
REPORTER_ASSERT(reporter, b == 20.f);
REPORTER_ASSERT(reporter, c == 30);
REPORTER_ASSERT(reporter, d == 200);
REPORTER_ASSERT(reporter, e == 30);
// Check correct refs returned.
REPORTER_ASSERT(reporter, &std::get<0>(t) == &A[1]);
REPORTER_ASSERT(reporter, &std::get<1>(t) == &B[1]);
REPORTER_ASSERT(reporter, &std::get<2>(t) == &C[1]);
REPORTER_ASSERT(reporter, &std::get<3>(t) == &D[1]);
REPORTER_ASSERT(reporter, &std::get<4>(t) == &S[1]);
REPORTER_ASSERT(reporter, &a == &A[1]);
REPORTER_ASSERT(reporter, &b == &B[1]);
REPORTER_ASSERT(reporter, &c == &C[1]);
REPORTER_ASSERT(reporter, &d == &D[1]);
REPORTER_ASSERT(reporter, &e == &S[1]);
// Check assignment
std::get<0>(t) = 20;
a = 20;
// std::get<1>(t) = 300.f; // is const
std::get<2>(t) = 300;
std::get<3>(t) = 2000;
std::get<4>(t) = 300;
c = 300;
d = 2000;
e = 300;
auto t1 = z[1];
REPORTER_ASSERT(reporter, std::get<0>(t1) == 20);
@ -461,9 +445,7 @@ DEF_TEST(SkMakeZip, reporter) {
auto zz = SkMakeZip(&A[0], B, C, D, S, P);
int i = 0;
for (auto t : zz) {
uint16_t a; float b; int c; int d; int s; uint16_t p;
std::tie(a, b ,c ,d, s, p) = t;
for (auto [a, b, c, d, s, p] : zz) {
REPORTER_ASSERT(reporter, a == A[i]);
REPORTER_ASSERT(reporter, b == B[i]);
REPORTER_ASSERT(reporter, c == C[i]);
@ -479,9 +461,7 @@ DEF_TEST(SkMakeZip, reporter) {
{
// Check SkMakeZip in ranged for check OneSize calc of B.
int i = 0;
for (auto t : SkMakeZip(&A[0], B, C, D, S)) {
uint16_t a; float b; int c; int d; int s;
std::tie(a, b ,c ,d, s) = t;
for (auto [a, b, c, d, s] : SkMakeZip(&A[0], B, C, D, S)) {
REPORTER_ASSERT(reporter, a == A[i]);
REPORTER_ASSERT(reporter, b == B[i]);
REPORTER_ASSERT(reporter, c == C[i]);
@ -496,9 +476,7 @@ DEF_TEST(SkMakeZip, reporter) {
{
// Check SkMakeZip in ranged for OneSize of C
int i = 0;
for (auto t : SkMakeZip(&A[0], &B[0], C, D, S)) {
uint16_t a; float b; int c; int d; int s;
std::tie(a, b ,c ,d, s) = t;
for (auto [a, b, c, d, s] : SkMakeZip(&A[0], &B[0], C, D, S)) {
REPORTER_ASSERT(reporter, a == A[i]);
REPORTER_ASSERT(reporter, b == B[i]);
REPORTER_ASSERT(reporter, c == C[i]);
@ -513,9 +491,7 @@ DEF_TEST(SkMakeZip, reporter) {
{
// Check SkMakeZip in ranged for OneSize for S
int i = 0;
for (auto t : SkMakeZip(S, A, B, C, D)) {
uint16_t a; float b; int c; int d; int s;
std::tie(s, a, b, c, d) = t;
for (auto [s, a, b, c, d] : SkMakeZip(S, A, B, C, D)) {
REPORTER_ASSERT(reporter, a == A[i]);
REPORTER_ASSERT(reporter, b == B[i]);
REPORTER_ASSERT(reporter, c == C[i]);
@ -530,9 +506,7 @@ DEF_TEST(SkMakeZip, reporter) {
{
// Check SkMakeZip in ranged for
int i = 0;
for (auto t : SkMakeZip(C, S, A, B, D)) {
uint16_t a; float b; int c; int d; int s;
std::tie(c, s, a, b, d) = t;
for (auto [c, s, a, b, d] : SkMakeZip(C, S, A, B, D)) {
REPORTER_ASSERT(reporter, a == A[i]);
REPORTER_ASSERT(reporter, b == B[i]);
REPORTER_ASSERT(reporter, c == C[i]);
@ -547,10 +521,8 @@ DEF_TEST(SkMakeZip, reporter) {
{
// Check SkEnumerate and SkMakeZip in ranged for
auto zz = SkMakeZip(A, B, C, D, S);
for (auto t : SkMakeEnumerate(zz)) {
int i;
uint16_t a; float b; int c; int d; int s;
std::forward_as_tuple(i, std::tie(a, b, c, d, s)) = t;
for (auto [i, t] : SkMakeEnumerate(zz)) {
auto [a, b, c, d, s] = t;
REPORTER_ASSERT(reporter, a == A[i]);
REPORTER_ASSERT(reporter, b == B[i]);
REPORTER_ASSERT(reporter, c == C[i]);
@ -562,10 +534,8 @@ DEF_TEST(SkMakeZip, reporter) {
{
// Check SkEnumerate and SkMakeZip in ranged for
const auto& zz = SkMakeZip(A, B, C, D, S);
for (auto t : SkMakeEnumerate(zz)) {
int i;
uint16_t a; float b; int c; int d; int s;
std::forward_as_tuple(i, std::tie(a, b, c, d, s)) = t;
for (auto [i, t] : SkMakeEnumerate(zz)) {
auto [a, b, c, d, s] = t;
REPORTER_ASSERT(reporter, a == A[i]);
REPORTER_ASSERT(reporter, b == B[i]);
REPORTER_ASSERT(reporter, c == C[i]);
@ -576,10 +546,8 @@ DEF_TEST(SkMakeZip, reporter) {
{
// Check SkEnumerate and SkMakeZip in ranged for
for (auto t : SkMakeEnumerate(SkMakeZip(A, B, C, D, S))) {
int i;
uint16_t a; float b; int c; int d; int s;
std::forward_as_tuple(i, std::tie(a, b, c, d, s)) = t;
for (auto [i, t] : SkMakeEnumerate(SkMakeZip(A, B, C, D, S))) {
auto [a, b, c, d, s] = t;
REPORTER_ASSERT(reporter, a == A[i]);
REPORTER_ASSERT(reporter, b == B[i]);
REPORTER_ASSERT(reporter, c == C[i]);