Device Framework Tests
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Configuration Descriptor
The first Configuration descriptor must be at least 9 bytes in length.
The second Configuration descriptor must be equal in length to the value of
the wTotalLength field received in the first request.
3.
Examiner issues a request for String 0 (Language ID).
Examiner may issue more than one request for String 0, and all
requirements listed below apply to each request.
String 0 must be at least 4 bytes in length.
The bLength field must be equal to or greater than 0x04.
The bLength field must be a multiple of 2.
The bDescriptorType field must be equal to STRING (0x03).
The bLength field must equal the number of bytes returned.
4.
Examiner issues requests for any other supported String descriptors.
String descriptor must be at least 2 bytes in length.
The bLength field must be equal to or greater than 0x02.
The bDescriptorType field must be equal to STRING (0x03).
The bLength field must equal the number of bytes returned.
Specification Reference
USB Command Verifier Compliance Test Specification TD9.8.
