wifi: add VTS tests for IWifiApIface

Bug: 32022435
Bug: 36813739
Test: run VtsHalWifiV1_0Target test
Change-Id: I31db3b1bfe5deed5691e0d342762298b4b0d3620
diff --git a/wifi/1.0/vts/functional/wifi_ap_iface_hidl_test.cpp b/wifi/1.0/vts/functional/wifi_ap_iface_hidl_test.cpp
index 42d9a96..c0af30b 100644
--- a/wifi/1.0/vts/functional/wifi_ap_iface_hidl_test.cpp
+++ b/wifi/1.0/vts/functional/wifi_ap_iface_hidl_test.cpp
@@ -20,9 +20,13 @@
 
 #include <VtsHalHidlTargetTestBase.h>
 
+#include "wifi_hidl_call_util.h"
 #include "wifi_hidl_test_utils.h"
 
+using ::android::hardware::wifi::V1_0::IfaceType;
 using ::android::hardware::wifi::V1_0::IWifiApIface;
+using ::android::hardware::wifi::V1_0::WifiBand;
+using ::android::hardware::wifi::V1_0::WifiStatusCode;
 using ::android::sp;
 
 /**
@@ -30,11 +34,15 @@
  */
 class WifiApIfaceHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
-    virtual void SetUp() override {}
+    virtual void SetUp() override {
+        wifi_ap_iface_ = getWifiApIface();
+        ASSERT_NE(nullptr, wifi_ap_iface_.get());
+    }
 
     virtual void TearDown() override { stopWifi(); }
 
    protected:
+    sp<IWifiApIface> wifi_ap_iface_;
 };
 
 /*
@@ -46,3 +54,36 @@
     EXPECT_NE(nullptr, getWifiApIface().get());
     stopWifi();
 }
+
+/*
+ * GetType:
+ * Ensures that the correct interface type is returned for AP interface.
+ */
+TEST_F(WifiApIfaceHidlTest, GetType) {
+    const auto& status_and_type = HIDL_INVOKE(wifi_ap_iface_, getType);
+    EXPECT_EQ(WifiStatusCode::SUCCESS, status_and_type.first.code);
+    EXPECT_EQ(IfaceType::AP, status_and_type.second);
+}
+
+/*
+ * SetCountryCode:
+ * Ensures that a call to set the country code will return with a success
+ * status code.
+ */
+TEST_F(WifiApIfaceHidlTest, SetCountryCode) {
+    const android::hardware::hidl_array<int8_t, 2> kCountryCode{
+        std::array<int8_t, 2>{{0x55, 0x53}}};
+    EXPECT_EQ(WifiStatusCode::SUCCESS,
+              HIDL_INVOKE(wifi_ap_iface_, setCountryCode, kCountryCode).code);
+}
+
+/*
+ * GetValidFrequenciesForBand:
+ * Ensures that we can retrieve valid frequencies for 2.4 GHz band.
+ */
+TEST_F(WifiApIfaceHidlTest, GetValidFrequenciesForBand) {
+    const auto& status_and_freqs = HIDL_INVOKE(
+        wifi_ap_iface_, getValidFrequenciesForBand, WifiBand::BAND_24GHZ);
+    EXPECT_EQ(WifiStatusCode::SUCCESS, status_and_freqs.first.code);
+    EXPECT_GT(status_and_freqs.second.size(), 0u);
+}