diff --git a/test/physical.cpp b/test/physical.cpp
index c53a14a..c91fb94 100644
--- a/test/physical.cpp
+++ b/test/physical.cpp
@@ -80,6 +80,54 @@
     EXPECT_EQ(phy.state(), Action::Off);
 }
 
+TEST(Physical, ctor_maxbrightness_and_brightness_read_127)
+{
+    sdbusplus::bus::bus bus = sdbusplus::bus::new_default();
+    /* NiceMock ignores calls to methods with no expectations defined */
+    NiceMock<MockLed> led;
+    EXPECT_CALL(led, getTrigger()).WillRepeatedly(Return("none"));
+    EXPECT_CALL(led, getBrightness()).WillOnce(Return(127));
+    EXPECT_CALL(led, getMaxBrightness()).WillOnce(Return(127));
+    phosphor::led::Physical phy(bus, LED_OBJ, led);
+    EXPECT_EQ(phy.state(), Action::On);
+}
+
+TEST(Physical, ctor_maxbrightness_and_brightness_read_0)
+{
+    sdbusplus::bus::bus bus = sdbusplus::bus::new_default();
+    /* NiceMock ignores calls to methods with no expectations defined */
+    NiceMock<MockLed> led;
+    EXPECT_CALL(led, getTrigger()).WillRepeatedly(Return("none"));
+    EXPECT_CALL(led, getBrightness()).WillOnce(Return(0));
+    EXPECT_CALL(led, getMaxBrightness()).WillOnce(Return(0));
+    phosphor::led::Physical phy(bus, LED_OBJ, led);
+    EXPECT_EQ(phy.state(), Action::Off);
+}
+
+TEST(Physical, ctor_only_maxbrightness_read_127)
+{
+    sdbusplus::bus::bus bus = sdbusplus::bus::new_default();
+    /* NiceMock ignores calls to methods with no expectations defined */
+    NiceMock<MockLed> led;
+    EXPECT_CALL(led, getTrigger()).WillRepeatedly(Return("none"));
+    EXPECT_CALL(led, getBrightness()).WillOnce(Return(0));
+    EXPECT_CALL(led, getMaxBrightness()).WillOnce(Return(127));
+    phosphor::led::Physical phy(bus, LED_OBJ, led);
+    EXPECT_EQ(phy.state(), Action::Off);
+}
+
+TEST(Physical, ctor_only_brightness_read_127)
+{
+    sdbusplus::bus::bus bus = sdbusplus::bus::new_default();
+    /* NiceMock ignores calls to methods with no expectations defined */
+    NiceMock<MockLed> led;
+    EXPECT_CALL(led, getTrigger()).WillRepeatedly(Return("none"));
+    EXPECT_CALL(led, getBrightness()).WillOnce(Return(127));
+    EXPECT_CALL(led, getMaxBrightness()).WillOnce(Return(0));
+    phosphor::led::Physical phy(bus, LED_OBJ, led);
+    EXPECT_EQ(phy.state(), Action::Off);
+}
+
 TEST(Physical, ctor_timer_trigger)
 {
     sdbusplus::bus::bus bus = sdbusplus::bus::new_default();