From 90eeeeb6b616d628ba84f3df65c2072bff6b7506 Mon Sep 17 00:00:00 2001
From: Timothy Keys <timothy.keys@nordicsemi.no>
Date: Thu, 31 Oct 2024 15:08:18 +0000
Subject: [PATCH] [nrf fromtree] Bluetooth: Host: Unit test for
 bt_le_cs_set_valid_chmap_bits

Add coverage of the bt_le_cs_set_valid_chmap_bits function to unit tests

Signed-off-by: Timothy Keys <timothy.keys@nordicsemi.no>
(cherry picked from commit e976a01bedff4ef4c122c2d7e63cb480784a5dde)

Signed-off-by: Sean Madigan <sean.madigan@nordicsemi.no>
---
 .../CMakeLists.txt                            | 26 ++++++++++++++++
 .../cs/bt_le_cs_set_valid_chmap_bits/prj.conf | 10 +++++++
 .../bt_le_cs_set_valid_chmap_bits/src/main.c  | 30 +++++++++++++++++++
 .../testcase.yaml                             |  7 +++++
 4 files changed, 73 insertions(+)
 create mode 100644 tests/bluetooth/host/cs/bt_le_cs_set_valid_chmap_bits/CMakeLists.txt
 create mode 100644 tests/bluetooth/host/cs/bt_le_cs_set_valid_chmap_bits/prj.conf
 create mode 100644 tests/bluetooth/host/cs/bt_le_cs_set_valid_chmap_bits/src/main.c
 create mode 100644 tests/bluetooth/host/cs/bt_le_cs_set_valid_chmap_bits/testcase.yaml

diff --git a/tests/bluetooth/host/cs/bt_le_cs_set_valid_chmap_bits/CMakeLists.txt b/tests/bluetooth/host/cs/bt_le_cs_set_valid_chmap_bits/CMakeLists.txt
new file mode 100644
index 00000000000..aee0c445f6b
--- /dev/null
+++ b/tests/bluetooth/host/cs/bt_le_cs_set_valid_chmap_bits/CMakeLists.txt
@@ -0,0 +1,26 @@
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr COMPONENTS unittest REQUIRED HINTS $ENV{ZEPHYR_BASE})
+
+get_filename_component(project_name ${CMAKE_CURRENT_SOURCE_DIR} NAME)
+project(${project_name})
+
+include_directories(BEFORE
+    ${ZEPHYR_BASE}/tests/bluetooth/host/cs/mocks
+)
+
+add_subdirectory(${ZEPHYR_BASE}/tests/bluetooth/host host_mocks)
+add_subdirectory(${ZEPHYR_BASE}/tests/bluetooth/host/cs/mocks mocks)
+
+target_link_libraries(testbinary PRIVATE mocks host_mocks)
+
+target_sources(testbinary
+    PRIVATE
+    src/main.c
+
+    ${ZEPHYR_BASE}/subsys/bluetooth/host/cs.c
+    ${ZEPHYR_BASE}/lib/net_buf/buf_simple.c
+    ${ZEPHYR_BASE}/subsys/logging/log_minimal.c
+)
diff --git a/tests/bluetooth/host/cs/bt_le_cs_set_valid_chmap_bits/prj.conf b/tests/bluetooth/host/cs/bt_le_cs_set_valid_chmap_bits/prj.conf
new file mode 100644
index 00000000000..8ff995b6f04
--- /dev/null
+++ b/tests/bluetooth/host/cs/bt_le_cs_set_valid_chmap_bits/prj.conf
@@ -0,0 +1,10 @@
+CONFIG_ZTEST=y
+CONFIG_BT=y
+CONFIG_BT_HCI=y
+CONFIG_BT_CENTRAL=y
+CONFIG_BT_CHANNEL_SOUNDING=y
+CONFIG_ASSERT=y
+CONFIG_ASSERT_LEVEL=2
+CONFIG_ASSERT_VERBOSE=y
+CONFIG_ASSERT_ON_ERRORS=y
+CONFIG_NET_BUF=y
diff --git a/tests/bluetooth/host/cs/bt_le_cs_set_valid_chmap_bits/src/main.c b/tests/bluetooth/host/cs/bt_le_cs_set_valid_chmap_bits/src/main.c
new file mode 100644
index 00000000000..72784fba71d
--- /dev/null
+++ b/tests/bluetooth/host/cs/bt_le_cs_set_valid_chmap_bits/src/main.c
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/kernel.h>
+#include <zephyr/bluetooth/cs.h>
+#include <zephyr/fff.h>
+
+DEFINE_FFF_GLOBALS;
+
+ZTEST_SUITE(bt_le_cs_set_valid_chmap_bits, NULL, NULL, NULL, NULL, NULL);
+
+/*
+ *  Test uninitialized chmap buffer is populated correctly
+ *
+ *  Expected behaviour:
+ *   - test_chmap matches correct_chmap
+ */
+ZTEST(bt_le_cs_set_valid_chmap_bits, test_uninitialized_chmap)
+{
+	uint8_t test_chmap[10];
+
+	bt_le_cs_set_valid_chmap_bits(test_chmap);
+
+	uint8_t correct_chmap[10] = {0xFC, 0xFF, 0x7F, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x1F};
+
+	zassert_mem_equal(test_chmap, correct_chmap, 10);
+}
diff --git a/tests/bluetooth/host/cs/bt_le_cs_set_valid_chmap_bits/testcase.yaml b/tests/bluetooth/host/cs/bt_le_cs_set_valid_chmap_bits/testcase.yaml
new file mode 100644
index 00000000000..b040e501559
--- /dev/null
+++ b/tests/bluetooth/host/cs/bt_le_cs_set_valid_chmap_bits/testcase.yaml
@@ -0,0 +1,7 @@
+common:
+  tags:
+    - bluetooth
+    - host
+tests:
+  bluetooth.host.cs.bt_le_cs_set_valid_chmap_bits:
+    type: unit