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followup: improve tests to also test for results stability when seeded

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This commit is contained in:
olivierdalang 2019-12-04 23:59:36 +01:00
parent ef0f2de4ea
commit f6c961a670
1 changed files with 8 additions and 6 deletions
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14
tests/src/core/testqgsexpression.cpp
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@ -2175,12 +2175,13 @@ class TestQgsExpression: public QObject
QVariant v7 = exp7.evaluate();
QCOMPARE( v7.type(), QVariant::Int );
// Two calls with the same seed return the same numer
QgsExpression exp8( QStringLiteral( "rand(1,100000000000,1)" ) );
// Two calls with the same seed return the same number
QgsExpression exp8( QStringLiteral( "rand(1,1000000000,1)" ) );
QVariant v8 = exp8.evaluate();
QgsExpression exp9( QStringLiteral( "rand(1,100000000000,1)" ) );
QCOMPARE( v8.toInt() == 546311529, true );
QgsExpression exp9( QStringLiteral( "rand(1,1000000000,1)" ) );
QVariant v9 = exp9.evaluate();
QCOMPARE( v8.toInt() == v9.toInt(), true );
QCOMPARE( v9.toInt() == 546311529, true );
// Two calls with a different seed return a different number
QgsExpression exp10( QStringLiteral( "rand(1,100000000000,1)" ) );
@ -2220,12 +2221,13 @@ class TestQgsExpression: public QObject
QVariant v7 = exp7.evaluate();
QCOMPARE( v7.type(), QVariant::LongLong );
// Two calls with the same seed return the same numer
// Two calls with the same seed return the same number
QgsExpression exp8( QStringLiteral( "randf(seed:=1)" ) );
QVariant v8 = exp8.evaluate();
QCOMPARE( v8.toFloat() == 0.13387664401253274, true );
QgsExpression exp9( QStringLiteral( "randf(seed:=1)" ) );
QVariant v9 = exp9.evaluate();
QCOMPARE( v8.toFloat() == v9.toFloat(), true );
QCOMPARE( v9.toFloat() == 0.13387664401253274, true );
// Two calls with a different seed return a different number
QgsExpression exp10( QStringLiteral( "randf(seed:=1)" ) );