tests: new test cases for gpioget

Verify the correct behavior of gpioget on invalid arguments.

Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>

diff --git a/tests/tests-gpioget.c b/tests/tests-gpioget.c
index cee17a0a50e0c12c0775d53a6f51e7931bc25faf..dfbb84a22514f61b357d19544eb3d20a21492bd1 100644 (file)
--- a/tests/tests-gpioget.c
+++ b/tests/tests-gpioget.c
@@ -50,3 +50,35 @@ static void gpioget_read_all_lines(void)
 TEST_DEFINE(gpioget_read_all_lines,
            "tools: gpioget - read all lines",
            0, { 8, 8, 8 });
+
+static void gpioget_no_arguments(void)
+{
+       test_tool_run("gpioget", (char *)NULL);
+       test_tool_wait();
+
+       TEST_ASSERT(test_tool_exited());
+       TEST_ASSERT_EQ(test_tool_exit_status(), 1);
+       TEST_ASSERT_NULL(test_tool_stdout());
+       TEST_ASSERT_NOT_NULL(test_tool_stderr());
+       TEST_ASSERT_STR_CONTAINS(test_tool_stderr(),
+                                "gpiochip must be specified");
+}
+TEST_DEFINE(gpioget_no_arguments,
+           "tools: gpioget - no arguments",
+           0, { });
+
+static void gpioget_no_lines_specified(void)
+{
+       test_tool_run("gpioget", "gpiochip1", (char *)NULL);
+       test_tool_wait();
+
+       TEST_ASSERT(test_tool_exited());
+       TEST_ASSERT_EQ(test_tool_exit_status(), 1);
+       TEST_ASSERT_NULL(test_tool_stdout());
+       TEST_ASSERT_NOT_NULL(test_tool_stderr());
+       TEST_ASSERT_STR_CONTAINS(test_tool_stderr(),
+                                "at least one gpio line offset must be specified");
+}
+TEST_DEFINE(gpioget_no_lines_specified,
+           "tools: gpioget - no lines specified",
+           0, { 4, 4 });