commit 245495ea7863dd7ccb8fac0ee27601e1331f08c6
author William A. Kennington III <wak@google.com> Thu Feb 13 13:07:30 2020 -0800
committer William A. Kennington III <wak@google.com> Thu Mar 12 14:41:12 2020 -0700
tree 1d685f0d3230829c0e1da3d864872f8af707c419
parent a2d67e20529a1f720c13586553ad2cec1451d5a8

test: Add initial support for catch2

This will be used by future test cases in place of googletest.

Change-Id: I41bf1d4f85ebffd1353e6d33a8eaee49803cb254
Signed-off-by: William A. Kennington III <wak@google.com>

subprojects/Catch2.wrap

diff --git a/subprojects/Catch2.wrap b/subprojects/Catch2.wrap
new file mode 100644
index 0000000..ea8939c
--- /dev/null
+++ b/subprojects/Catch2.wrap
@@ -0,0 +1,3 @@
+[wrap-git]
+url = https://github.com/catchorg/Catch2
+revision = v2.11.1

test/catch2_main.cpp

diff --git a/test/catch2_main.cpp b/test/catch2_main.cpp
new file mode 100644
index 0000000..4ed06df
--- /dev/null
+++ b/test/catch2_main.cpp
@@ -0,0 +1,2 @@
+#define CATCH_CONFIG_MAIN
+#include <catch2/catch.hpp>

test/meson.build

diff --git a/test/meson.build b/test/meson.build
index 4f77a56..a748b70 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -15,7 +15,7 @@
   endif
 endif
 
-tests = [
+gtests = [
   'signal',
   'handle/copyable',
   'handle/managed',
@@ -23,8 +23,49 @@
   'util/string',
 ]
 
-foreach t : tests
+foreach t : gtests
   test(t, executable(t.underscorify(), t + '.cpp',
                      implicit_include_directories: false,
                      dependencies: [stdplus, gtest, gmock]))
 endforeach
+
+# catch2 might not have a pkg-config. It is header only so just make
+# sure we can access the needed symbols from the header.
+catch2_dep = dependency('Catch2', required: false)
+has_catch2 = meson.get_compiler('cpp').has_header_symbol(
+  'catch2/catch.hpp',
+  'Approx',
+  dependencies: catch2_dep,
+  required: false)
+if not has_catch2
+  catch2_proj = import('cmake').subproject(
+    'Catch2',
+    cmake_options: [
+      '-DBUILD_TESTING=OFF'
+    ],
+    required: false)
+  if catch2_proj.found()
+    catch2_dep = catch2_proj.dependency('Catch2')
+    has_catch2 = true
+  else
+    assert(not build_tests.enabled(), 'Catch2 is required')
+  endif
+endif
+
+catch2_tests = [
+]
+
+if has_catch2
+  libcatch2 = static_library(
+    'catch2', 'catch2_main.cpp',
+    implicit_include_directories: false,
+    build_by_default: false,
+    dependencies: catch2_dep)
+
+  foreach t : catch2_tests
+    test(t, executable(t.underscorify(), t + '.cpp',
+                       implicit_include_directories: false,
+                       link_with: libcatch2,
+                       dependencies: [stdplus, catch2_dep]))
+  endforeach
+endif