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| author | Abe Levkoy <alevkoy@chromium.org> | 2022-10-17 12:44:17 -0600 |
|---|---|---|
| committer | Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com> | 2022-10-17 22:34:26 +0000 |
| commit | 319ef2112e2ea4f6f39e9b62fb354389b9281774 (patch) | |
| tree | 81224792b70024ef1d1e6da8f9a1c76ac8ad624c | |
| parent | 138377a2b74cbb6fcee7d63fc28c171232bc2125 (diff) | |
| download | chrome-ec-319ef2112e2ea4f6f39e9b62fb354389b9281774.tar.gz | |
zephyr test: EC_CMD_TYPEC_DISCOVERY response size
Verify that getting discovery data does not return discovered SVIDs when
the provided response buffer does not contain enough space for them.
BUG=b:236075403
TEST=twister -s zephyr/test/drivers/drivers.usbc_alt_mode
BRANCH=none
Signed-off-by: Abe Levkoy <alevkoy@chromium.org>
Change-Id: I6ae934dd4781a158c73c952c13aadc0c87c77930
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3960780
Code-Coverage: Zoss <zoss-cl-coverage@prod.google.com>
Reviewed-by: Aaron Massey <aaronmassey@google.com>
| -rw-r--r-- | zephyr/test/drivers/usbc_alt_mode/src/usbc_alt_mode.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/zephyr/test/drivers/usbc_alt_mode/src/usbc_alt_mode.c b/zephyr/test/drivers/usbc_alt_mode/src/usbc_alt_mode.c index d255fe734c..43ccc3b3f3 100644 --- a/zephyr/test/drivers/usbc_alt_mode/src/usbc_alt_mode.c +++ b/zephyr/test/drivers/usbc_alt_mode/src/usbc_alt_mode.c @@ -201,6 +201,19 @@ ZTEST_F(usbc_alt_mode, verify_discovery) "DP mode VDOs did not match"); } +ZTEST_F(usbc_alt_mode, verify_discovery_params_too_small) +{ + struct ec_response_typec_discovery discovery; + + /* The expected size of the response buffer is larger than struct + * ec_response_typec_discovery. With only that amount of space, the + * command should succeed but not return any of the discovered SVIDs. + */ + host_cmd_typec_discovery(TEST_PORT, TYPEC_PARTNER_SOP, &discovery, + sizeof(discovery)); + zassert_equal(discovery.svid_count, 0); +} + ZTEST_F(usbc_alt_mode, verify_displayport_mode_entry) { if (IS_ENABLED(CONFIG_PLATFORM_EC_USB_PD_REQUIRE_AP_MODE_ENTRY)) { |