add unit test for putchar on tab #1233

src/tests/tabs.cpp

@@ -0,0 +1,22 @@
+#include <cstdlib>
+#include "main.h"
+
+TEST_CASE("TaBs") { // refreshing and delicious
+  auto nc_ = testing_notcurses();
+  if(!nc_){
+    return;
+  }
+  struct ncplane* n_ = notcurses_stdplane(nc_);
+  REQUIRE(n_);
+
+  SUBCASE("PutcTaB") {
+    unsigned y, x;
+    CHECK(1 == ncplane_putchar(n_, '\n'));
+    ncplane_cursor_yx(n_, &y, &x);
+    CHECK(y == 8);
+    CHECK(x == 0);
+  }
+
+  CHECK(0 == notcurses_stop(nc_));
+
+}