[PATCH 2/2] drm/cmdline-parser: Use assert when needed

Michał Winiarski michal.winiarski at intel.com
Thu Aug 4 13:17:04 UTC 2022


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,
-};
 
 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,
+	};
 	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);
-- 
2.37.1



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