Declare in corresponding header files and dissolve main.h (#3796)

* Declare in corresponding header files and dissolve main.h

Apply include-what-you-use

* Remove further unncessary includes

* Incorporate review comment

* Do not declare static functions and variables in header

* Adapt test

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

test/col_test.cpp

@@ -28,8 +28,6 @@
 // cmake.h include header must come first
 
 #include <columns/ColID.h>
-#include <main.h>
-#include <stdlib.h>
 #include <test.h>
 
 ////////////////////////////////////////////////////////////////////////////////

test/make_tc_task.cpp

@@ -28,16 +28,12 @@
 // cmake.h include header must come first
 
 #include <CmdInfo.h>
-#include <main.h>
 #include <stdlib.h>
 #include <taskchampion-cpp/lib.h>
 #include <test.h>
 #include <util.h>
 
 #include <iostream>
-#include <limits>
-
-#include "format.h"
 
 namespace {
 

test/t_test.cpp

@@ -27,10 +27,11 @@
 #include <cmake.h>
 // cmake.h include header must come first
 
-#include <main.h>
 #include <stdlib.h>
 #include <test.h>
 
+#include "Context.h"
+
 ////////////////////////////////////////////////////////////////////////////////
 int TEST_NAME(int, char**) {
   UnitTest test(48);

test/tdb2_test.cpp

@@ -27,12 +27,10 @@
 #include <cmake.h>
 // cmake.h include header must come first
 
-#include <main.h>
-#include <stdlib.h>
 #include <test.h>
 #include <unistd.h>
 
-#include <iostream>
+#include "Context.h"
 
 namespace {
 

test/tw_2689_test.cpp

@@ -26,11 +26,9 @@
 
 #include <cmake.h>
 
-#include <iostream>
 // cmake.h include header must come first
 
-#include <main.h>
-#include <stdlib.h>
+#include <Task.h>
 #include <test.h>
 
 ////////////////////////////////////////////////////////////////////////////////

test/util_test.cpp

@@ -27,12 +27,11 @@
 #include <cmake.h>
 // cmake.h include header must come first
 
-#include <main.h>
-#include <stdlib.h>
+#include <Context.h>
+#include <recur.h>
 #include <test.h>
 #include <util.h>
 
-#include <iostream>
 #include <limits>
 
 ////////////////////////////////////////////////////////////////////////////////

test/view_test.cpp

@@ -31,9 +31,8 @@
 #include <Context.h>
 #include <Task.h>
 #include <ViewTask.h>
-#include <main.h>
+#include <sort.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <test.h>
 #include <unistd.h>