From 7a030e36aee261f3e810c6cb0f74f9491a485127 Mon Sep 17 00:00:00 2001
From: Christoph Haag <christoph.haag@collabora.com>
Date: Thu, 7 Jan 2021 22:13:14 +0100
Subject: [PATCH] build/meson: Build and run tests

closes #97
---
 meson.build              |  3 +++
 meson_options.txt        |  5 ++++
 src/external/meson.build |  1 +
 tests/meson.build        | 53 ++++++++++++++++++++++++++++++++++++++++
 4 files changed, 62 insertions(+)
 create mode 100644 tests/meson.build

diff --git a/meson.build b/meson.build
index e521a8f51..0ba5ad1ea 100644
--- a/meson.build
+++ b/meson.build
@@ -231,6 +231,9 @@ if build_docs
 	subdir('doc')
 endif
 
+if not get_option('tests').disabled()
+	subdir('tests')
+endif
 
 #
 # Final bits
diff --git a/meson_options.txt b/meson_options.txt
index cf30e2afb..9dc75564a 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -12,6 +12,11 @@ option('docs',
 	value: 'auto',
 	description: 'Build the documentation')
 
+option('tests',
+	type: 'feature',
+	value: 'auto',
+	description: 'Build the tests')
+
 option('doxygen-warn-undocumented',
 	type: 'boolean',
 	value: false,
diff --git a/src/external/meson.build b/src/external/meson.build
index ab83322cd..045ecc529 100644
--- a/src/external/meson.build
+++ b/src/external/meson.build
@@ -8,3 +8,4 @@ glad_include = include_directories('glad/include')
 hungarian_include = include_directories('hungarian')
 imgui_include = include_directories('imgui')
 openxr_include = include_directories('openxr_includes')
+catch2_include = include_directories('Catch2')
diff --git a/tests/meson.build b/tests/meson.build
new file mode 100644
index 000000000..7502b751d
--- /dev/null
+++ b/tests/meson.build
@@ -0,0 +1,53 @@
+# Copyright 2020, Collabora, Ltd. SPDX-License-Identifier: BSL-1.0
+
+tests_main = static_library(
+	'tests_main',
+	files(
+		'tests_main.cpp'
+	),
+	include_directories: [
+		catch2_include,
+	]
+)
+
+
+hack_deps = []
+hack_src = [ '../src/xrt/targets/openxr/oxr_sdl2_hack.c']
+hack_libs = []
+hack_incs = [
+	glad_include,
+	imgui_include,
+]
+
+if sdl2.found()
+	hack_deps += sdl2
+	hack_src += [
+		'../src/external/imgui/imgui/cimgui_sdl.cpp',
+		'../src/external/imgui/imgui/imgui_impl_sdl.cpp',
+		'../src/external/imgui/imgui/imgui_impl_sdl.h',
+	]
+	hack_libs += lib_st_gui
+	hack_incs += [
+		st_include,
+	]
+endif
+
+
+tests_input_transform = executable(
+	'tests_input_transform',
+	files(
+		'tests_input_transform.cpp',
+		hack_src,
+	),
+	include_directories: [
+		xrt_include,
+		aux_include,
+		st_include,
+		openxr_include,
+		catch2_include,
+	] + hack_incs,
+	dependencies: [pthreads, driver_deps, compositor_deps, aux_ogl, aux_vk] + hack_deps,
+	link_whole: [lib_target_instance_no_comp, lib_st_oxr, lib_comp, driver_libs, tests_main] + hack_libs,
+)
+
+test('tests_input_transform', tests_input_transform)