juicysfplugin/modules/juce_data_structures/values/juce_CachedValue.cpp

160 lines
4.3 KiB
C++

/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2017 - ROLI Ltd.
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 5 End-User License
Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
27th April 2017).
End User License Agreement: www.juce.com/juce-5-licence
Privacy Policy: www.juce.com/juce-5-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
#if JUCE_UNIT_TESTS
class CachedValueTests : public UnitTest
{
public:
CachedValueTests() : UnitTest ("CachedValues", "Values") {}
void runTest() override
{
beginTest ("default constructor");
{
CachedValue<String> cv;
expect (cv.isUsingDefault());
expect (cv.get() == String());
}
beginTest ("without default value");
{
ValueTree t ("root");
t.setProperty ("testkey", "testvalue", nullptr);
CachedValue<String> cv (t, "testkey", nullptr);
expect (! cv.isUsingDefault());
expect (cv.get() == "testvalue");
cv.resetToDefault();
expect (cv.isUsingDefault());
expect (cv.get() == String());
}
beginTest ("with default value");
{
ValueTree t ("root");
t.setProperty ("testkey", "testvalue", nullptr);
CachedValue<String> cv (t, "testkey", nullptr, "defaultvalue");
expect (! cv.isUsingDefault());
expect (cv.get() == "testvalue");
cv.resetToDefault();
expect (cv.isUsingDefault());
expect (cv.get() == "defaultvalue");
}
beginTest ("with default value (int)");
{
ValueTree t ("root");
t.setProperty ("testkey", 23, nullptr);
CachedValue<int> cv (t, "testkey", nullptr, 34);
expect (! cv.isUsingDefault());
expect (cv == 23);
expectEquals (cv.get(), 23);
cv.resetToDefault();
expect (cv.isUsingDefault());
expect (cv == 34);
}
beginTest ("with void value");
{
ValueTree t ("root");
t.setProperty ("testkey", var(), nullptr);
CachedValue<String> cv (t, "testkey", nullptr, "defaultvalue");
expect (! cv.isUsingDefault());
expect (cv == "");
expectEquals (cv.get(), String());
}
beginTest ("with non-existent value");
{
ValueTree t ("root");
CachedValue<String> cv (t, "testkey", nullptr, "defaultvalue");
expect (cv.isUsingDefault());
expect (cv == "defaultvalue");
expect (cv.get() == "defaultvalue");
}
beginTest ("with value changing");
{
ValueTree t ("root");
t.setProperty ("testkey", "oldvalue", nullptr);
CachedValue<String> cv (t, "testkey", nullptr, "defaultvalue");
expect (cv == "oldvalue");
t.setProperty ("testkey", "newvalue", nullptr);
expect (cv != "oldvalue");
expect (cv == "newvalue");
}
beginTest ("set value");
{
ValueTree t ("root");
t.setProperty ("testkey", 23, nullptr);
CachedValue<int> cv (t, "testkey", nullptr, 45);
cv = 34;
expectEquals ((int) t["testkey"], 34);
cv.resetToDefault();
expect (cv == 45);
expectEquals (cv.get(), 45);
expect (t["testkey"] == var());
}
beginTest ("reset value");
{
}
}
};
static CachedValueTests cachedValueTests;
#endif
} // namespace juce