[PATCH 2/2] drm/cmdline-parser: Use assert when needed
Maíra Canal
mairacanal at riseup.net
Wed Aug 10 13:45:28 UTC 2022
Hi Michał
On 8/4/22 10:17, Michał Winiarski wrote:
> Expecting to observe a specific value, when the function responsible for
> setting the value has failed will lead to extra noise in test output.
> Use assert when the situation calls for it.
> Also - very small tidying up around the changed areas (whitespace /
> variable locality).
>
> Signed-off-by: Michał Winiarski <michal.winiarski at intel.com>
> ---
> .../gpu/drm/tests/drm_cmdline_parser_test.c | 93 +++++++++----------
> 1 file changed, 46 insertions(+), 47 deletions(-)
>
> diff --git a/drivers/gpu/drm/tests/drm_cmdline_parser_test.c b/drivers/gpu/drm/tests/drm_cmdline_parser_test.c
> index 058808faaf4a..7a313e2fd52a 100644
> --- a/drivers/gpu/drm/tests/drm_cmdline_parser_test.c
> +++ b/drivers/gpu/drm/tests/drm_cmdline_parser_test.c
> @@ -16,7 +16,7 @@ static void drm_cmdline_test_force_e_only(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "e";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_FALSE(test, mode.specified);
> KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
> @@ -34,7 +34,7 @@ static void drm_cmdline_test_force_D_only_not_digital(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "D";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_FALSE(test, mode.specified);
> KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
> @@ -47,16 +47,16 @@ static void drm_cmdline_test_force_D_only_not_digital(struct kunit *test)
> KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_ON);
> }
>
> -static const struct drm_connector connector_hdmi = {
> - .connector_type = DRM_MODE_CONNECTOR_HDMIB,
> -};
Minor nit: I guess you miss to delete a line.
>
> static void drm_cmdline_test_force_D_only_hdmi(struct kunit *test)
> {
> struct drm_cmdline_mode mode = { };
> + const struct drm_connector connector_hdmi = {
> + .connector_type = DRM_MODE_CONNECTOR_HDMIB,
> + };
As the kernel test robot pointed out, this leads to stack issues (also
with PowerPC). You might want to leave it as it was or allocate it with
kunit_kzalloc.
Best Regards,
- Maíra Canal
> const char *cmdline = "D";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &connector_hdmi, &mode));
> KUNIT_EXPECT_FALSE(test, mode.specified);
> KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
> @@ -69,16 +69,15 @@ static void drm_cmdline_test_force_D_only_hdmi(struct kunit *test)
> KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_ON_DIGITAL);
> }
>
> -static const struct drm_connector connector_dvi = {
> - .connector_type = DRM_MODE_CONNECTOR_DVII,
> -};
> -
> static void drm_cmdline_test_force_D_only_dvi(struct kunit *test)
> {
> struct drm_cmdline_mode mode = { };
> + const struct drm_connector connector_dvi = {
> + .connector_type = DRM_MODE_CONNECTOR_DVII,
> + };> const char *cmdline = "D";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &connector_dvi, &mode));
> KUNIT_EXPECT_FALSE(test, mode.specified);
> KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
> @@ -96,7 +95,7 @@ static void drm_cmdline_test_force_d_only(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "d";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_FALSE(test, mode.specified);
> KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
> @@ -114,7 +113,7 @@ static void drm_cmdline_test_res(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -136,7 +135,7 @@ static void drm_cmdline_test_res_vesa(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480M";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -158,7 +157,7 @@ static void drm_cmdline_test_res_vesa_rblank(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480MR";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -180,7 +179,7 @@ static void drm_cmdline_test_res_rblank(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480R";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -202,7 +201,7 @@ static void drm_cmdline_test_res_bpp(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480-24";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -225,7 +224,7 @@ static void drm_cmdline_test_res_refresh(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480 at 60";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -248,7 +247,7 @@ static void drm_cmdline_test_res_bpp_refresh(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480-24 at 60";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -272,7 +271,7 @@ static void drm_cmdline_test_res_bpp_refresh_interlaced(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480-24 at 60i";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -294,9 +293,9 @@ static void drm_cmdline_test_res_bpp_refresh_interlaced(struct kunit *test)
> static void drm_cmdline_test_res_bpp_refresh_margins(struct kunit *test)
> {
> struct drm_cmdline_mode mode = { };
> - const char *cmdline = "720x480-24 at 60m";
> + const char *cmdline = "720x480-24 at 60m";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -318,9 +317,9 @@ static void drm_cmdline_test_res_bpp_refresh_margins(struct kunit *test)
> static void drm_cmdline_test_res_bpp_refresh_force_off(struct kunit *test)
> {
> struct drm_cmdline_mode mode = { };
> - const char *cmdline = "720x480-24 at 60d";
> + const char *cmdline = "720x480-24 at 60d";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -342,9 +341,9 @@ static void drm_cmdline_test_res_bpp_refresh_force_off(struct kunit *test)
> static void drm_cmdline_test_res_bpp_refresh_force_on(struct kunit *test)
> {
> struct drm_cmdline_mode mode = { };
> - const char *cmdline = "720x480-24 at 60e";
> + const char *cmdline = "720x480-24 at 60e";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -368,7 +367,7 @@ static void drm_cmdline_test_res_bpp_refresh_force_on_analog(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480-24 at 60D";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -390,12 +389,12 @@ static void drm_cmdline_test_res_bpp_refresh_force_on_analog(struct kunit *test)
> static void drm_cmdline_test_res_bpp_refresh_force_on_digital(struct kunit *test)
> {
> struct drm_cmdline_mode mode = { };
> - static const struct drm_connector connector = {
> + const struct drm_connector connector = {
> .connector_type = DRM_MODE_CONNECTOR_DVII,
> };
> const char *cmdline = "720x480-24 at 60D";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -443,7 +442,7 @@ static void drm_cmdline_test_res_margins_force_on(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480me";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -465,7 +464,7 @@ static void drm_cmdline_test_res_vesa_margins(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480Mm";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -487,7 +486,7 @@ static void drm_cmdline_test_name(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "NTSC";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_STREQ(test, mode.name, "NTSC");
> KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
> @@ -499,7 +498,7 @@ static void drm_cmdline_test_name_bpp(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "NTSC-24";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_STREQ(test, mode.name, "NTSC");
>
> @@ -514,7 +513,7 @@ static void drm_cmdline_test_name_option(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "NTSC,rotate=180";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_STREQ(test, mode.name, "NTSC");
> @@ -526,7 +525,7 @@ static void drm_cmdline_test_name_bpp_option(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "NTSC-24,rotate=180";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_STREQ(test, mode.name, "NTSC");
> @@ -540,7 +539,7 @@ static void drm_cmdline_test_rotate_0(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480,rotate=0";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -563,7 +562,7 @@ static void drm_cmdline_test_rotate_90(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480,rotate=90";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -586,7 +585,7 @@ static void drm_cmdline_test_rotate_180(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480,rotate=180";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -609,7 +608,7 @@ static void drm_cmdline_test_rotate_270(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480,rotate=270";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -632,7 +631,7 @@ static void drm_cmdline_test_hmirror(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480,reflect_x";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -655,7 +654,7 @@ static void drm_cmdline_test_vmirror(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480,reflect_y";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -679,7 +678,7 @@ static void drm_cmdline_test_margin_options(struct kunit *test)
> const char *cmdline =
> "720x480,margin_right=14,margin_left=24,margin_bottom=36,margin_top=42";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -705,7 +704,7 @@ static void drm_cmdline_test_multiple_options(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480,rotate=270,reflect_x";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -728,7 +727,7 @@ static void drm_cmdline_test_bpp_extra_and_option(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480-24e,rotate=180";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -752,7 +751,7 @@ static void drm_cmdline_test_extra_and_option(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "720x480e,rotate=180";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_TRUE(test, mode.specified);
> KUNIT_EXPECT_EQ(test, mode.xres, 720);
> @@ -774,7 +773,7 @@ static void drm_cmdline_test_freestanding_options(struct kunit *test)
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "margin_right=14,margin_left=24,margin_bottom=36,margin_top=42";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_FALSE(test, mode.specified);
> KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
> @@ -797,7 +796,7 @@ static void drm_cmdline_test_freestanding_force_e_and_options(struct kunit *test
> struct drm_cmdline_mode mode = { };
> const char *cmdline = "e,margin_right=14,margin_left=24,margin_bottom=36,margin_top=42";
>
> - KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> + KUNIT_ASSERT_TRUE(test, drm_mode_parse_command_line_for_connector(cmdline,
> &no_connector, &mode));
> KUNIT_EXPECT_FALSE(test, mode.specified);
> KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
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