visual studio - Google tests don't work with class in other project in solution -

i'm trying test simple class building (that has constructor).
file testclass.h

#pragma once  class testclass { public:     testclass(); }; 

file testclass.cpp

#include "testclass.h"  testclass::testclass() { } 

and add new project in solution: tests. project contains 1 file.
file test.cpp

#include <gtest/gtest.h> #include "../example/testclass.h"  test(test0, all) {     expect_eq(true, true); }  /* test(test1, part1) {     testclass t; }*/  int main(int argc, char* argv[]) {     testing::initgoogletest(&argc, argv);     return run_all_tests(); } 

if build code - (and tests). if uncomment commented block - have such output error:

1>------ rebuild started: project: example, configuration: debug win32 ------
1> testclass.cpp
1> example.vcxproj -> d:\alex\documents\visual studio 2015\projects\tests\debug\example.lib
2>------ rebuild started: project: tests, configuration: debug win32 ------
2> test.cpp
2>test.obj : error lnk2019: unresolved external symbol "public: __thiscall testclass::testclass(void)" (??0testclass@@qae@xz) referenced in function "private: virtual void __thiscall test1_part1_test::testbody(void)" (?testbody@test1_part1_test@@eaexxz)
2>d:\alex\documents\visual studio 2015\projects\tests\debug\tests.exe : fatal error lnk1120: 1 unresolved externals
========== rebuild all: 1 succeeded, 1 failed, 0 skipped ==========

i added gtest.lib file dependency of linker input of tests project.
added example project dependency of tests project.
built example project static library (.lib).
if delete constructor testclass - good.
project can find here.
i'm using microsoft visual studio 2015 update 3 on windows 10 pro x64.
google test framework version 1.8.0.

how can solve compilation problem? need constructor.

i can solve problem:
manually add builddir (to me $(solutiondir)$(configuration)\) way:
tests properties -> configuration properties -> linker -> general -> additional library directories
, manually add example.lib dependency way:
tests properties -> configuration properties -> linker -> input -> additional dependencies