trace global filter iterator tree

also simplify making and joining sub-traces

2 files changed, 43 insertions, 0 deletions

diff --git a/vespalib/src/tests/util/static_string/CMakeLists.txt b/vespalib/src/tests/util/static_string/CMakeLists.txt
new file mode 100644
index 00000000000..14360470b6b
--- /dev/null
+++ b/vespalib/src/tests/util/static_string/CMakeLists.txt
@@ -0,0 +1,9 @@
+# Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+vespa_add_executable(vespalib_static_string_test_app TEST
+    SOURCES
+    static_string_test.cpp
+    DEPENDS
+    vespalib
+    GTest::GTest
+)
+vespa_add_test(NAME vespalib_static_string_test_app COMMAND vespalib_static_string_test_app)
diff --git a/vespalib/src/tests/util/static_string/static_string_test.cpp b/vespalib/src/tests/util/static_string/static_string_test.cpp
new file mode 100644
index 00000000000..d91fb613f0a
--- /dev/null
+++ b/vespalib/src/tests/util/static_string/static_string_test.cpp
@@ -0,0 +1,34 @@
+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+
+#include <vespa/vespalib/util/static_string.h>
+#include <vespa/vespalib/gtest/gtest.h>
+
+using vespalib::StaticStringView;
+using namespace vespalib::literals;
+
+TEST(StaticStringViewTest, simple_usage) {
+    auto value = "foo bar"_ssv;
+    vespalib::string expect("foo bar");
+    std::string expect_std("foo bar");
+    static_assert(std::same_as<decltype(value),StaticStringView>);
+    auto a_ref = value.ref();
+    auto a_view = value.view();
+    static_assert(std::same_as<decltype(a_ref),vespalib::stringref>);
+    static_assert(std::same_as<decltype(a_view),std::string_view>);
+    vespalib::stringref ref = value;
+    std::string_view view = value;
+    EXPECT_EQ(a_ref, expect);
+    EXPECT_EQ(a_view, expect_std);
+    EXPECT_EQ(ref, expect);
+    EXPECT_EQ(view, expect_std);
+    EXPECT_EQ(value.ref(), expect);
+    EXPECT_EQ(value.view(), expect_std);
+}
+
+TEST(StaticStringViewTest, with_null_byte) {
+    auto value = "foo\0bar"_ssv;
+    std::string expect("foo\0bar", 7);
+    EXPECT_EQ(value.view(), expect);
+}
+
+GTEST_MAIN_RUN_ALL_TESTS()