tests/common/funchelperstest.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2018 by the Quassel Project                        *
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  20
  21 #include "testglobal.h"
  22
  23 #include <QVariantList>
  24
  25 #include "funchelpers.h"
  26
  27 TEST(FuncHelpersTest, invokeWithArgsList)
  28 {
  29     int intVal{};
  30     QString stringVal{};
  31
  32     auto callable = [&intVal, &stringVal](int i, const QString& s)
  33     {
  34         intVal = i;
  35         stringVal = s;
  36     };
  37
  38     // Good case
  39     {
  40         QVariantList argsList{42, "Hello World"};
  41         auto ret = invokeWithArgsList(callable, argsList);
  42         ASSERT_TRUE(ret);
  43         EXPECT_FALSE(ret->isValid());  // Callable returns void, so the returned QVariant should be invalid
  44         EXPECT_EQ(42, intVal);
  45         EXPECT_EQ("Hello World", stringVal);
  46     }
  47
  48     // Too many arguments
  49     {
  50         QVariantList argsList{23, "Hi Universe", 2.3};
  51         ASSERT_FALSE(invokeWithArgsList(callable, argsList));
  52         // Values shouldn't have changed
  53         EXPECT_EQ(42, intVal);
  54         EXPECT_EQ("Hello World", stringVal);
  55     }
  56
  57     // Too few arguments
  58     {
  59         QVariantList argsList{23};
  60         ASSERT_FALSE(invokeWithArgsList(callable, argsList));
  61         // Values shouldn't have changed
  62         EXPECT_EQ(42, intVal);
  63         EXPECT_EQ("Hello World", stringVal);
  64     }
  65
  66     // Cannot convert argument type
  67     {
  68         // Ensure type cannot be converted
  69         QVariantList wrong{"Foo", "Bar"};
  70         QVariant v{wrong};
  71         ASSERT_FALSE(v.canConvert<QString>());
  72
  73         QVariantList argsList{23, wrong};
  74         ASSERT_FALSE(invokeWithArgsList(callable, argsList));
  75         // Values shouldn't have changed
  76         EXPECT_EQ(42, intVal);
  77         EXPECT_EQ("Hello World", stringVal);
  78     }
  79 }
  80
  81 TEST(FuncHelpersTest, invokeWithArgsListAndReturnValue)
  82 {
  83     {
  84         int intVal{};
  85         QString stringVal{};
  86
  87         auto callable = [&intVal, &stringVal](int i, const QString& s)
  88         {
  89             intVal = i;
  90             stringVal = s;
  91             return -i;
  92         };
  93
  94         // Good case
  95         {
  96             QVariantList argsList{42, "Hello World"};
  97             auto ret = invokeWithArgsList(callable, argsList);
  98             ASSERT_TRUE(ret);
  99             ASSERT_TRUE(ret->isValid());
 100             EXPECT_EQ(-42, *ret);
 101             EXPECT_EQ(42, intVal);
 102             EXPECT_EQ("Hello World", stringVal);
 103         }
 104
 105         // Failed invocation
 106         {
 107             QVariantList argsList{23};
 108             ASSERT_FALSE(invokeWithArgsList(callable, argsList));
 109         }
 110     }
 111 }