Added invalid syntax tests with non array parameters

resources/function_help/json/array_majority

@@ -2,7 +2,7 @@
   "name": "array_majority",
   "type": "function",
   "groups": ["Arrays"],
-  "description": "Returns an array containing the most common value in an array. The returned array may contain more than one value if more values occur equally often.",
+  "description": "Returns an array containing the most common value in an array. The returned array may contain more than one value if multiple values occur equally often.",
   "arguments": [ {"arg":"array","description":"an array"} ],
   "examples": [ 
     { "expression":"array_majority(array(0,1,42,42,43))", "returns":"[ 42 ]"},

src/core/expression/qgsexpressionfunction.cpp

@@ -5359,7 +5359,7 @@ static QVariant fcnArrayMean( const QVariantList &values, const QgsExpressionCon
   const QVariantList list = QgsExpressionUtils::getListValue( values.at( 0 ), parent );
   int i = 0;
   double total = 0.0;
-  for ( const auto &item : list )
+  for ( const QVariant &item : list )
   {
     switch ( item.userType() )
     {
@@ -5429,7 +5429,7 @@ static QVariant fcnArraySum( const QVariantList &values, const QgsExpressionCont
   const QVariantList list = QgsExpressionUtils::getListValue( values.at( 0 ), parent );
   int i = 0;
   double total = 0.0;
-  for ( const auto &item : list )
+  for ( const QVariant &item : list )
   {
     switch ( item.userType() )
     {

tests/src/core/testqgsexpression.cpp

@@ -1641,20 +1641,32 @@ class TestQgsExpression: public QObject
       QTest::newRow( "array_last(array())" ) << QStringLiteral( "array_last(array())" ) << false << QVariant();
 
       // array_min, array_max, array_mean, array_median, array_majority, array_sum
+      QTest::newRow( "array_min('forty two')" ) << QStringLiteral( "array_min('forty two')" ) << true << QVariant();
+      QTest::newRow( "array_min(42)" ) << QStringLiteral( "array_min(42)" ) << true << QVariant();
       QTest::newRow( "array_min(array())" ) << QStringLiteral( "array_min(array())" ) << false << QVariant();
       QTest::newRow( "array_min(array(-1, 0, 1, 2))" ) << QStringLiteral( "array_min(array(-1, 0, 1, 2))" ) << false << QVariant( -1 );
       QTest::newRow( "array_min(array(make_date(2020,12,11),make_date(2020,12,12),make_date(2020,12,13)))" ) << QStringLiteral( "array_min(array(make_date(2020,12,11),make_date(2020,12,12),make_date(2020,12,13)))" ) << false << QVariant( QDate( 2020, 12, 11 ) );
+      QTest::newRow( "array_max('forty two')" ) << QStringLiteral( "array_max('forty two')" ) << true << QVariant();
+      QTest::newRow( "array_max(42)" ) << QStringLiteral( "array_max(42)" ) << true << QVariant();
       QTest::newRow( "array_max(array())" ) << QStringLiteral( "array_max(array())" ) << false << QVariant();
       QTest::newRow( "array_max(array(-1, 0, 1, 2))" ) << QStringLiteral( "array_max(array(-1, 0, 1, 2))" ) << false << QVariant( 2 );
       QTest::newRow( "array_max(array(make_date(2020,12,11),make_date(2020,12,12),make_date(2020,12,13)))" ) << QStringLiteral( "array_max(array(make_date(2020,12,11),make_date(2020,12,12),make_date(2020,12,13)))" ) << false << QVariant( QDate( 2020, 12, 13 ) );
+      QTest::newRow( "array_mean('forty two')" ) << QStringLiteral( "array_mean('forty two')" ) << true << QVariant();
+      QTest::newRow( "array_mean(42)" ) << QStringLiteral( "array_mean(42)" ) << true << QVariant();
       QTest::newRow( "array_mean(array())" ) << QStringLiteral( "array_mean(array())" ) << false << QVariant();
       QTest::newRow( "array_mean(array(0,1,7,66.6,135.4))" ) << QStringLiteral( "array_mean(array(0,1,7,66.6,135.4))" ) << false << QVariant( 42.0 );
       QTest::newRow( "array_mean(array(0,84,'a','b','c'))" ) << QStringLiteral( "array_mean(array(0,84,'a','b','c'))" ) << false << QVariant( 42.0 );
+      QTest::newRow( "array_median('forty two')" ) << QStringLiteral( "array_median('forty two')" ) << true << QVariant();
+      QTest::newRow( "array_median(42)" ) << QStringLiteral( "array_median(42)" ) << true << QVariant();
       QTest::newRow( "array_median(array())" ) << QStringLiteral( "array_median(array())" ) << false << QVariant();
       QTest::newRow( "array_median(array(0,1,42,42,43))" ) << QStringLiteral( "array_median(array(0,1,42,42,43))" ) << false << QVariant( 42 );
       QTest::newRow( "array_median(array(0,0,1,2,2,42,'a','b'))" ) << QStringLiteral( "array_median(array(0,0,1,2,2,42,'a','b'))" ) << false << QVariant( 1.5 );
+      QTest::newRow( "array_majority('forty two')" ) << QStringLiteral( "array_majority('forty two')" ) << true << QVariant();
+      QTest::newRow( "array_majority(42)" ) << QStringLiteral( "array_majority(42)" ) << true << QVariant();
       QTest::newRow( "array_majority(array())" ) << QStringLiteral( "array_majority(array())" ) << false << QVariant();
       QTest::newRow( "array_majority(array(1,2,42,42,'a','b'))" ) << QStringLiteral( "array_majority(array(1,2,42,42,'a','b'))" ) << false << QVariant( QVariantList() << 42 );
+      QTest::newRow( "array_sum('forty two')" ) << QStringLiteral( "array_sum('forty two')" ) << true << QVariant();
+      QTest::newRow( "array_sum(42)" ) << QStringLiteral( "array_sum(42)" ) << true << QVariant();
       QTest::newRow( "array_sum(array())" ) << QStringLiteral( "array_sum(array())" ) << false << QVariant();
       QTest::newRow( "array_sum(array('a','b','c'))" ) << QStringLiteral( "array_sum(array('a','b','c'))" ) << false << QVariant();
       QTest::newRow( "array_sum(array(0,1,39.4,1.6,'a'))" ) << QStringLiteral( "array_sum(array(0,1,39.4,1.6,'a'))" ) << false << QVariant( 42.0 );