Utils: Add isEmpty to string view

Change-Id: Ib7e77602dcdcdf481f6ab690bacef53c5dd92580 Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
2017-07-31 17:24:47 +02:00
parent 01e1f13bb9
commit 3b46c09520
2 changed files with 12 additions and 0 deletions
--- a/src/libs/utils/smallstringview.h
+++ b/src/libs/utils/smallstringview.h
@@ -85,6 +85,12 @@ public:
        return m_size;
    }

+    constexpr
+    size_type isEmpty() const
+    {
+        return m_size == 0;
+    }
+
    const_iterator begin() const noexcept
    {
        return data();
--- a/tests/unit/unittest/smallstring-test.cpp
+++ b/tests/unit/unittest/smallstring-test.cpp
@@ -731,6 +731,12 @@ TEST(SmallString, IsEmpty)
    ASSERT_TRUE(SmallString().isEmpty());
 }

+TEST(SmallString, StringViewIsEmpty)
+{
+    ASSERT_FALSE(SmallStringView("text").isEmpty());
+    ASSERT_TRUE(SmallStringView("").isEmpty());
+}
+
 TEST(SmallString, HasContent)
 {
    ASSERT_TRUE(SmallString("text").hasContent());