diff --git a/CMakeLists.txt b/CMakeLists.txt
index 716ff0012..887d39d0c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -624,7 +624,7 @@ endif()
 if(${BUILD_TESTING})
 #set(CMAKE_CTEST_ARGUMENTS "-V")
 if(${USE_DOCTEST})
-file(GLOB TESTSRCS CONFIGURE_DEPENDS tests/*.cpp)
+file(GLOB TESTSRCS CONFIGURE_DEPENDS src/tests/*.cpp)
 add_executable(notcurses-tester ${TESTSRCS})
 target_include_directories(notcurses-tester
   PRIVATE
diff --git a/tests/Exceptions.cpp b/src/tests/Exceptions.cpp
similarity index 100%
rename from tests/Exceptions.cpp
rename to src/tests/Exceptions.cpp
diff --git a/tests/Ncpp.cpp b/src/tests/Ncpp.cpp
similarity index 100%
rename from tests/Ncpp.cpp
rename to src/tests/Ncpp.cpp
diff --git a/tests/blit.cpp b/src/tests/blit.cpp
similarity index 100%
rename from tests/blit.cpp
rename to src/tests/blit.cpp
diff --git a/tests/cell.cpp b/src/tests/cell.cpp
similarity index 100%
rename from tests/cell.cpp
rename to src/tests/cell.cpp
diff --git a/tests/channel.cpp b/src/tests/channel.cpp
similarity index 100%
rename from tests/channel.cpp
rename to src/tests/channel.cpp
diff --git a/tests/direct.cpp b/src/tests/direct.cpp
similarity index 100%
rename from tests/direct.cpp
rename to src/tests/direct.cpp
diff --git a/tests/egcpool.cpp b/src/tests/egcpool.cpp
similarity index 100%
rename from tests/egcpool.cpp
rename to src/tests/egcpool.cpp
diff --git a/tests/fade.cpp b/src/tests/fade.cpp
similarity index 100%
rename from tests/fade.cpp
rename to src/tests/fade.cpp
diff --git a/tests/fds.cpp b/src/tests/fds.cpp
similarity index 100%
rename from tests/fds.cpp
rename to src/tests/fds.cpp
diff --git a/tests/fills.cpp b/src/tests/fills.cpp
similarity index 100%
rename from tests/fills.cpp
rename to src/tests/fills.cpp
diff --git a/tests/geom.cpp b/src/tests/geom.cpp
similarity index 100%
rename from tests/geom.cpp
rename to src/tests/geom.cpp
diff --git a/tests/input.cpp b/src/tests/input.cpp
similarity index 100%
rename from tests/input.cpp
rename to src/tests/input.cpp
diff --git a/tests/internal.cpp b/src/tests/internal.cpp
similarity index 100%
rename from tests/internal.cpp
rename to src/tests/internal.cpp
diff --git a/tests/layout.cpp b/src/tests/layout.cpp
similarity index 100%
rename from tests/layout.cpp
rename to src/tests/layout.cpp
diff --git a/tests/libunistring.cpp b/src/tests/libunistring.cpp
similarity index 100%
rename from tests/libunistring.cpp
rename to src/tests/libunistring.cpp
diff --git a/tests/main.cpp b/src/tests/main.cpp
similarity index 100%
rename from tests/main.cpp
rename to src/tests/main.cpp
diff --git a/tests/main.h b/src/tests/main.h
similarity index 100%
rename from tests/main.h
rename to src/tests/main.h
diff --git a/tests/menu.cpp b/src/tests/menu.cpp
similarity index 100%
rename from tests/menu.cpp
rename to src/tests/menu.cpp
diff --git a/tests/metric.cpp b/src/tests/metric.cpp
similarity index 100%
rename from tests/metric.cpp
rename to src/tests/metric.cpp
diff --git a/tests/notcurses.cpp b/src/tests/notcurses.cpp
similarity index 100%
rename from tests/notcurses.cpp
rename to src/tests/notcurses.cpp
diff --git a/tests/palette.cpp b/src/tests/palette.cpp
similarity index 100%
rename from tests/palette.cpp
rename to src/tests/palette.cpp
diff --git a/tests/piles.cpp b/src/tests/piles.cpp
similarity index 100%
rename from tests/piles.cpp
rename to src/tests/piles.cpp
diff --git a/tests/plane.cpp b/src/tests/plane.cpp
similarity index 100%
rename from tests/plane.cpp
rename to src/tests/plane.cpp
diff --git a/tests/plot.cpp b/src/tests/plot.cpp
similarity index 100%
rename from tests/plot.cpp
rename to src/tests/plot.cpp
diff --git a/tests/progbar.cpp b/src/tests/progbar.cpp
similarity index 100%
rename from tests/progbar.cpp
rename to src/tests/progbar.cpp
diff --git a/tests/reader.cpp b/src/tests/reader.cpp
similarity index 100%
rename from tests/reader.cpp
rename to src/tests/reader.cpp
diff --git a/tests/reel.cpp b/src/tests/reel.cpp
similarity index 100%
rename from tests/reel.cpp
rename to src/tests/reel.cpp
diff --git a/tests/reelgaps.cpp b/src/tests/reelgaps.cpp
similarity index 100%
rename from tests/reelgaps.cpp
rename to src/tests/reelgaps.cpp
diff --git a/tests/resize.cpp b/src/tests/resize.cpp
similarity index 100%
rename from tests/resize.cpp
rename to src/tests/resize.cpp
diff --git a/tests/rotate.cpp b/src/tests/rotate.cpp
similarity index 100%
rename from tests/rotate.cpp
rename to src/tests/rotate.cpp
diff --git a/tests/scrolling.cpp b/src/tests/scrolling.cpp
similarity index 100%
rename from tests/scrolling.cpp
rename to src/tests/scrolling.cpp
diff --git a/tests/selector.cpp b/src/tests/selector.cpp
similarity index 100%
rename from tests/selector.cpp
rename to src/tests/selector.cpp
diff --git a/tests/stacking.cpp b/src/tests/stacking.cpp
similarity index 100%
rename from tests/stacking.cpp
rename to src/tests/stacking.cpp
diff --git a/tests/version.cpp b/src/tests/version.cpp
similarity index 100%
rename from tests/version.cpp
rename to src/tests/version.cpp
diff --git a/tests/visual.cpp b/src/tests/visual.cpp
similarity index 100%
rename from tests/visual.cpp
rename to src/tests/visual.cpp
diff --git a/tests/wide.cpp b/src/tests/wide.cpp
similarity index 100%
rename from tests/wide.cpp
rename to src/tests/wide.cpp
diff --git a/tests/zaxis.cpp b/src/tests/zaxis.cpp
similarity index 100%
rename from tests/zaxis.cpp
rename to src/tests/zaxis.cpp