diff --git a/CMakeLists.txt b/CMakeLists.txt
index d526c24..97be40b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,7 +14,8 @@ if(DEFINED ENV{CMAKE_GCOV})
 add_compile_options(-fprofile-arcs -ftest-coverage)
 # Need CMake 3.15+.
 add_link_options(-fprofile-arcs -ftest-coverage)
-add_custom_target(coverage COMMAND lcov -d . -t wrmath -o wrmath.info -c
+add_custom_target(coverage COMMAND lcov -d . -t wrmath -o wrmath.info -c -i
+						   COMMAND lcov -d . -t wrmath -o wrmath.info -c
 						   COMMAND genhtml -o coverage-report wrmath.info)
 endif()
 
@@ -27,14 +28,6 @@ file(GLOB_RECURSE ${PROJECT_NAME}_SOURCES src/*.cc)
 ## BUILD
 
 add_library(lib${PROJECT_NAME} ${${PROJECT_NAME}_SOURCES})
-# add_library(LIBNAME
-#     SOURCES
-# )
-# 
-# add_executable(EXE_NAME MAIN)
-# target_link_libraries(EXE_NAME LIBNAMES)
-# add_dependencies(EXE_NAME LIBNAMES)
-
 
 ## INSTALL
 
diff --git a/test/vector_test.cc b/test/vector_test.cc
index 6f67aad..15b4932 100644
--- a/test/vector_test.cc
+++ b/test/vector_test.cc
@@ -6,7 +6,7 @@ using namespace std;
 using namespace wr;
 
 
-TEST(Vector3Miscellaneous, ExtractionOperator)
+TEST(Vector3Miscellaneous, ExtractionOperator3d)
 {
 	geom::Vector3d	vec {1.0, 2.0, 3.0};
 	stringstream	vecBuffer;
@@ -16,6 +16,36 @@ TEST(Vector3Miscellaneous, ExtractionOperator)
 }
 
 
+TEST(Vector3Miscellaneous, ExtractionOperator3f)
+{
+	geom::Vector3f	vec {1.0, 2.0, 3.0};
+	stringstream	vecBuffer;
+
+	vecBuffer << vec;
+	EXPECT_EQ(vecBuffer.str(), "<1, 2, 3>");
+}
+
+
+TEST(Vector3Miscellaneous, ExtractionOperator4d)
+{
+    geom::Vector4d	vec {1.0, 2.0, 3.0, 4.0};
+    stringstream	vecBuffer;
+
+    vecBuffer << vec;
+    EXPECT_EQ(vecBuffer.str(), "<1, 2, 3, 4>");
+}
+
+
+TEST(Vector3Miscellaneous, ExtractionOperator4f)
+{
+    geom::Vector4f	vec {1.0, 2.0, 3.0, 4.0};
+    stringstream	vecBuffer;
+
+    vecBuffer << vec;
+    EXPECT_EQ(vecBuffer.str(), "<1, 2, 3, 4>");
+}
+
+
 TEST(Vector3Miscellaneous, SetEpsilon)
 {
 	geom::Vector3f	a {1.0, 1.0, 1.0};