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Implement QPromise::tapFail(handler)

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This commit is contained in:
Simon Brunel
2018-03-13 22:52:08 +01:00
parent d279fb4391
commit 50bae380be
8 changed files with 200 additions and 0 deletions
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1
tests/auto/qtpromise/qpromise/qpromise.pro
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@ -8,5 +8,6 @@ SUBDIRS += \
operators \
resolve \
tap \
tapfail \
then \
timeout

4
tests/auto/qtpromise/qpromise/tapfail/tapfail.pro Normal file
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@ -0,0 +1,4 @@
TARGET = tst_qpromise_tapfail
SOURCES += $$PWD/tst_tapfail.cpp
include(../../qtpromise.pri)

159
tests/auto/qtpromise/qpromise/tapfail/tst_tapfail.cpp Normal file
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@ -0,0 +1,159 @@
// Tests
#include "../../shared/utils.h"
// QtPromise
#include <QtPromise>
// Qt
#include <QtTest>
using namespace QtPromise;
class tst_qpromise_tapfail : public QObject
{
Q_OBJECT
private Q_SLOTS:
void fulfilled();
void fulfilled_void();
void rejected();
void rejected_void();
void throws();
void throws_void();
void delayedResolved();
void delayedRejected();
};
QTEST_MAIN(tst_qpromise_tapfail)
#include "tst_tapfail.moc"
void tst_qpromise_tapfail::fulfilled()
{
int value = -1;
auto p = QPromise<int>::resolve(42).tapFail([&]() {
value = 43;
});
QCOMPARE(waitForValue(p, 42), 42);
QCOMPARE(p.isFulfilled(), true);
QCOMPARE(value, -1);
}
void tst_qpromise_tapfail::fulfilled_void()
{
int value = -1;
auto p = QPromise<void>::resolve().tapFail([&]() {
value = 43;
});
QCOMPARE(waitForValue(p, -1, 42), 42);
QCOMPARE(p.isFulfilled(), true);
QCOMPARE(value, -1);
}
void tst_qpromise_tapfail::rejected()
{
QStringList errors;
auto p0 = QPromise<int>::reject(QString("foo"))
.tapFail([&](const QString& err) {
errors << "1:" + err;
});
auto p1 = p0
.fail([&](const QString& err) {
errors << "2:" + err;
return 43;
});
QCOMPARE(waitForError(p0, QString()), QString("foo"));
QCOMPARE(waitForValue(p1, -1), 43);
QCOMPARE(p0.isRejected(), true);
QCOMPARE(p1.isFulfilled(), true);
QCOMPARE(errors, QStringList() << "1:foo" << "2:foo");
}
void tst_qpromise_tapfail::rejected_void()
{
QStringList errors;
auto p0 = QPromise<void>::reject(QString("foo"))
.tapFail([&](const QString& err) {
errors << "1:" + err;
});
auto p1 = p0
.fail([&](const QString& err) {
errors << "2:" + err;
});
QCOMPARE(waitForError(p0, QString()), QString("foo"));
QCOMPARE(waitForValue(p1, -1, 43), 43);
QCOMPARE(p0.isRejected(), true);
QCOMPARE(p1.isFulfilled(), true);
QCOMPARE(errors, QStringList() << "1:foo" << "2:foo");
}
void tst_qpromise_tapfail::throws()
{
auto p = QPromise<int>::reject(QString("foo"))
.tapFail([&]() {
throw QString("bar");
});
QCOMPARE(waitForError(p, QString()), QString("bar"));
QCOMPARE(p.isRejected(), true);
}
void tst_qpromise_tapfail::throws_void()
{
auto p = QPromise<void>::reject(QString("foo"))
.tapFail([&]() {
throw QString("bar");
});
QCOMPARE(waitForError(p, QString()), QString("bar"));
QCOMPARE(p.isRejected(), true);
}
void tst_qpromise_tapfail::delayedResolved()
{
QVector<int> values;
auto p = QPromise<int>::reject(QString("foo"))
.tapFail([&]() {
QPromise<void> p([&](const QPromiseResolve<void>& resolve) {
QtPromisePrivate::qtpromise_defer([=, &values]() {
values << 3;
resolve(); // ignored!
});
});
values << 2;
return p;
});
QCOMPARE(waitForError(p, QString()), QString("foo"));
QCOMPARE(values, QVector<int>({2, 3}));
}
void tst_qpromise_tapfail::delayedRejected()
{
QVector<int> values;
auto p = QPromise<int>::reject(QString("foo"))
.tapFail([&]() {
QPromise<void> p([&](
const QPromiseResolve<void>&,
const QPromiseReject<void>& reject){
QtPromisePrivate::qtpromise_defer([=, &values]() {
values << 3;
reject(QString("bar"));
});
});
values << 2;
return p;
});
QCOMPARE(waitForError(p, QString()), QString("bar"));
QCOMPARE(values, QVector<int>({2, 3}));
}