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src: round nsec instead of truncating stat times #12607

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src: round nsec instead of truncating stat times #12607

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fc381a3
lib,src: round fs stat times to nearest ms
sciolist Apr 23, 2017
4e113b9
use common iswindows in test
sciolist May 4, 2017
a474c1a
scientific notation for stat times
sciolist May 4, 2017
3e5afc1
test - use tounixtimestamp instead of floor
sciolist May 4, 2017
519150d
swap lines back, no reason for why i swapped them to begin with
sciolist May 5, 2017
a6268a8
use string to create new test case to fix x86 overflow
sciolist May 5, 2017
ac3bfa5
use (Date.now()/1000) instead of -1 to test utimes
sciolist May 5, 2017
bad1f6f
restore -1 test and allow up to 2 seconds diff in test results
sciolist May 5, 2017
96b8712
Merge remote-tracking branch 'node/master'
sciolist May 25, 2017
32c1639
add comment explaining +0.5
sciolist May 25, 2017
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2 changes: 2 additions & 0 deletions lib/fs.js
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Original file line number Diff line number Diff line change
Expand Up @@ -206,6 +206,8 @@ fs.Stats = Stats;
// defining the properties in this fashion (explicitly with no loop or factory)
// has been shown to be the most performant on V8 contemp.
// Ref: https://github.com/nodejs/node/pull/12818
// +0.5 is added to the Dates to protect values from being rounded down
// Ref: https://github.com/nodejs/node/pull/12607
Object.defineProperties(Stats.prototype, {
atime: {
configurable: true,
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6 changes: 3 additions & 3 deletions src/node_file.cc
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Expand Up @@ -479,9 +479,9 @@ void FillStatsArray(double* fields, const uv_stat_t* s) {
fields[9] = -1;
#endif
// Dates.
#define X(idx, name) \
fields[idx] = (static_cast<double>(s->st_##name.tv_sec) * 1000) + \
(static_cast<double>(s->st_##name.tv_nsec / 1000000)); \
#define X(idx, name) \
fields[idx] = (s->st_##name.tv_sec * 1e3) + \
(s->st_##name.tv_nsec / 1e6); \
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Ohh yeah, I didn't follow the braces, assumed it was the same as the line above...


X(10, atim)
X(11, mtim)
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14 changes: 10 additions & 4 deletions test/parallel/test-fs-utimes.js
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Expand Up @@ -143,15 +143,21 @@ function testIt(atime, mtime, callback) {
const stats = fs.statSync(__filename);

// run tests
const runTest = common.mustCall(testIt, 5);
const runTest = common.mustCall(testIt, 6);

runTest(new Date('1982-09-10 13:37'), new Date('1982-09-10 13:37'), function() {
runTest(new Date(), new Date(), function() {
runTest(123456.789, 123456.789, function() {
runTest(stats.mtime, stats.mtime, function() {
runTest('123456', -1, common.mustCall(function() {
// done
}));
runTest('123456', -1, function() {
runTest(
new Date('2017-04-08T17:59:38.008Z'),
new Date('2017-04-08T17:59:38.008Z'),
common.mustCall(function() {
// done
})
);
});
});
});
});
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