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Utils: Add const reverse iterators to SmallString

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Change-Id: Iefd9d6abafbe38dcb7d3ed9ea200ac3244902433
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
This commit is contained in:
Marco Bubke
2016-11-16 15:53:03 +01:00
parent 8a16151601
commit 19a00f418f
2 changed files with 33 additions and 0 deletions
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10
src/libs/utils/smallstring.h
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@@ -299,6 +299,16 @@ public:
return reverse_iterator(begin() - static_cast<std::size_t>(1));
}
const_reverse_iterator rbegin() const noexcept
{
return const_reverse_iterator(end() - static_cast<std::size_t>(1));
}
const_reverse_iterator rend() const noexcept
{
return const_reverse_iterator(begin() - static_cast<std::size_t>(1));
}
const_iterator begin() const noexcept
{
return constData();

23
tests/unit/unittest/smallstring-test.cpp
View File

@@ -317,6 +317,29 @@ TEST(SmallString, RBeginPlusOneIsEqualREndForSmallStringWidthSizeOne)
ASSERT_THAT(beginPlusOne, Eq(text.rend()));
}
TEST(SmallString, ConstRBeginIsEqualREndForEmptySmallString)
{
const SmallString text;
ASSERT_THAT(text.rbegin(), Eq(text.rend()));
}
TEST(SmallString, ConstRBeginIsNotEqualREndForNonEmptySmallString)
{
const SmallString text("x");
ASSERT_THAT(text.rbegin(), Ne(text.rend()));
}
TEST(SmallString, ConstRBeginPlusOneIsEqualREndForSmallStringWidthSizeOne)
{
const SmallString text("x");
auto beginPlusOne = text.rbegin() + 1l;
ASSERT_THAT(beginPlusOne, Eq(text.rend()));
}
TEST(SmallString, ConstructorStandardString)
{
std::string stdStringText = "short string";