From ec672b90af3d08df99b23e0c5afb4ea45f1eddf9 Mon Sep 17 00:00:00 2001
From: 4c3y <69460051+4c3y@users.noreply.github.com>
Date: Thu, 7 Sep 2023 15:59:03 +0200
Subject: [PATCH] MODE_NOLOG: Added support for if every n logging

---
 CMakeLists.txt                      |  2 +-
 include/log++.h                     |  3 +-
 test/nolog/test_nolog_if_every_n.cc | 53 +++++++++++++++++++++++++++++
 3 files changed, 56 insertions(+), 2 deletions(-)
 create mode 100644 test/nolog/test_nolog_if_every_n.cc

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 90f1215..43cccc7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -162,7 +162,7 @@ if (GLOG_FOUND AND catkin_FOUND AND LPP_BUILD_TESTS)
                 test/nolog/test_nolog_basic.cc
                 test/nolog/test_nolog_every_n.cc
                 test/nolog/test_nolog_first_n.cc
-                #test/nolog/test_nolog_if_every_n.cc
+                test/nolog/test_nolog_if_every_n.cc
                 #test/nolog/test_nolog_log_string.cc
                 #test/nolog/test_nolog_rosprintf.cc
                 #test/nolog/test_nolog_timed.cc
diff --git a/include/log++.h b/include/log++.h
index e27bbe7..a25a670 100644
--- a/include/log++.h
+++ b/include/log++.h
@@ -444,7 +444,8 @@ LPP_INTL::InternalPolicyLog(LPP_GET_KEY(), n, LPP_INTL::BaseSeverity::DEBUG, LPP
 #define LOG_EVERY_N(severity, n) (void) LPP_INTL::GlogSeverity::severity; InternalLog()
 #define DLOG_FIRST_N(severity, n) (void) LPP_INTL::GlogSeverity::severity; static_assert(std::is_integral_v<decltype(n)>); InternalLog()
 #define LOG_FIRST_N(severity, n) (void) LPP_INTL::GlogSeverity::severity; static_assert(std::is_integral_v<decltype(n)>); InternalLog()
-
+#define DLOG_IF_EVERY_N(severity, cond, n) (void) LPP_INTL::GlogSeverity::severity; static_assert(std::is_same<decltype(cond), bool>::value && std::is_integral_v<decltype(n)>); InternalLog()
+#define LOG_IF_EVERY_N(severity, cond, n) DLOG_IF_EVERY_N(severity, cond, n)
 
 //ros
 #define ROS_DEBUG_STREAM(x) (void) x
diff --git a/test/nolog/test_nolog_if_every_n.cc b/test/nolog/test_nolog_if_every_n.cc
new file mode 100644
index 0000000..e39c21e
--- /dev/null
+++ b/test/nolog/test_nolog_if_every_n.cc
@@ -0,0 +1,53 @@
+//
+// Created by acey on 07.09.23.
+//
+
+#include <gtest/gtest.h>
+#include <log++.h>
+#include <test_utils.h>
+
+TEST(nolog_if_every_n, glog_syntax_if_every_n_severity_debug) {
+  LOG_INIT(*test_argv);
+
+  for (int i = 0; i < 5; i++) {
+    std::string output = LPP_CAPTURE_STDOUT(DLOG_IF_EVERY_N(INFO, i <= 3, 3) << "Test" << 12);
+    ASSERT_EQ("", output);
+  }
+}
+
+TEST(nolog_if_every_n, glog_syntax_if_every_n_severity_info) {
+  LOG_INIT(*test_argv);
+
+  for (int i = 0; i < 5; i++) {
+    std::string output = LPP_CAPTURE_STDOUT(LOG_IF_EVERY_N(INFO, i <= 3, 3) << "Test" << 12);
+    ASSERT_EQ("", output);
+  }
+}
+
+TEST(nolog_if_every_n, glog_syntax_if_every_n_severity_warning) {
+  LOG_INIT(*test_argv);
+
+  for (int i = 0; i < 5; i++) {
+    std::string output = LPP_CAPTURE_STDERR(LOG_IF_EVERY_N(WARNING, i <= 3, 3) << "Test" << 12);
+    ASSERT_EQ("", output);
+  }
+}
+
+TEST(nolog_if_every_n, glog_syntax_if_every_n_severity_error) {
+  LOG_INIT(*test_argv);
+
+  for (int i = 0; i < 5; i++) {
+    std::string output = LPP_CAPTURE_STDERR(LOG_IF_EVERY_N(ERROR, i <= 3, 3) << "Test" << 12);
+    ASSERT_EQ("", output);
+  }
+}
+
+TEST(nolog_if_every_n, glog_syntax_if_every_n_severity_fatal) {
+  LOG_INIT(*test_argv);
+
+  for (int i = 0; i < 5; i++) {
+    std::string output = LPP_CAPTURE_STDERR(LOG_IF_EVERY_N(FATAL, i <= 3, 3) << "Test" << 12);
+    ASSERT_EQ("", output);
+  }
+}
+