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Use static constexpr for iphone_xs_times (flutter/engine#16264)

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This commit is contained in:
George Wright 2020-01-31 10:04:39 -08:00 committed by GitHub
parent 78f0324c21
commit 2ac9db0623
1 changed files with 48 additions and 49 deletions
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97
engine/src/flutter/shell/common/input_events_unittests.cc
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@ -224,53 +224,53 @@ TEST_F(ShellTest, DelayAtMostOneEventForFasterThanVSyncInputEvents) {
TEST_F(ShellTest, HandlesActualIphoneXsInputEvents) {
// Actual delivery times measured on iPhone Xs, in the unit of frame_time
// (16.67ms for 60Hz).
constexpr double iphone_xs_times[] = {0.15,
1.0773046874999999,
2.1738720703124996,
3.0579052734374996,
4.0890087890624995,
5.0952685546875,
6.1251708984375,
7.1253076171875,
8.125927734374999,
9.37248046875,
10.133950195312499,
11.161201171875,
12.226992187499999,
13.1443798828125,
14.440327148437499,
15.091684570312498,
16.138681640625,
17.126469726562497,
18.1592431640625,
19.371372070312496,
20.033774414062496,
21.021782226562497,
22.070053710937497,
23.325541992187496,
24.119648437499997,
25.084262695312496,
26.077866210937497,
27.036547851562496,
28.035073242187497,
29.081411132812498,
30.066064453124998,
31.089360351562497,
32.086142578125,
33.4618798828125,
34.14697265624999,
35.0513525390625,
36.136025390624994,
37.1618408203125,
38.144472656249995,
39.201123046875,
40.4339501953125,
41.1552099609375,
42.102128906249995,
43.0426318359375,
44.070131835937495,
45.08862304687499,
46.091469726562494};
static constexpr double iphone_xs_times[] = {0.15,
1.0773046874999999,
2.1738720703124996,
3.0579052734374996,
4.0890087890624995,
5.0952685546875,
6.1251708984375,
7.1253076171875,
8.125927734374999,
9.37248046875,
10.133950195312499,
11.161201171875,
12.226992187499999,
13.1443798828125,
14.440327148437499,
15.091684570312498,
16.138681640625,
17.126469726562497,
18.1592431640625,
19.371372070312496,
20.033774414062496,
21.021782226562497,
22.070053710937497,
23.325541992187496,
24.119648437499997,
25.084262695312496,
26.077866210937497,
27.036547851562496,
28.035073242187497,
29.081411132812498,
30.066064453124998,
31.089360351562497,
32.086142578125,
33.4618798828125,
34.14697265624999,
35.0513525390625,
36.136025390624994,
37.1618408203125,
38.144472656249995,
39.201123046875,
40.4339501953125,
41.1552099609375,
42.102128906249995,
43.0426318359375,
44.070131835937495,
45.08862304687499,
46.091469726562494};
constexpr int n = sizeof(iphone_xs_times) / sizeof(iphone_xs_times[0]);
// We don't use `constexpr int frame_time` here because MSVC doesn't handle
// it well with lambda capture.
@ -280,8 +280,7 @@ TEST_F(ShellTest, HandlesActualIphoneXsInputEvents) {
// TestSimulatedInputEvents.
UnitlessTime base_latency =
static_cast<UnitlessTime>(base_latency_f * frame_time);
Generator iphone_xs_generator = [frame_time, iphone_xs_times,
base_latency](int i) {
Generator iphone_xs_generator = [frame_time, base_latency](int i) {
return base_latency +
static_cast<UnitlessTime>(iphone_xs_times[i] * frame_time);
};