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shibing624
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//:
//: 3 QoI: Asserted precondition violations are detected when enabled.
//:
//: 4 'sputc' method writes printing and non-printing characters
//: correctly.
//:
//: 5 'sputc' method writes bytes with leading bit set correctly.
//:
//: 6 'sputc' method writes only one character at once.
//:
//: 7 Data is landed only into client-provided buffer.
//:
//: 8 'sputc' method returns given parameter value in case of success.
//:
//: 9 Streambuf capacity exceeding does not corrupt the streambuf.
//
// Plan:
//: 1 Create and object with the user provided buffer of the specified
//: length. Verify, using the (as yet unproven) 'length', 'capacity'
//: and 'data' accessors, that all streambuf machinery has been set
//: up properly. (C-1)
//:
//: 2 Let the object created in P-1 go out of scope. (C-2)
//:
//: 3 Verify that, in appropriate build modes, defensive checks are
//: triggered for invalid attribute values, but not triggered for
//: adjacent valid ones (using the 'BSLS_ASSERTTEST_*' macros). (C-3)
//:
//: 4 Using the table-driven technique, specify a set of characters for
//: writing and their expected buffer presentations.
//:
//: 5 For each row 'R' in the table of P-4:
//:
//: 1 Create FixedMemOutput object.
//:
//: 2 Use 'sputc' to write character from the table to the object.
//:
//: 3 Verify that character was written to the buffer correctly.
//: (C-3..5)
//:
//: 4 Verify that next character in the buffer hasn't been changed.
//: (C-6)
//:
//: 6 Using the table-driven technique, specify a set of initial object
//: states, symbols for adding, expected resulting streambuf contents
//: and expected 'sputc' return values.
//:
//: 7 For each row 'R' in the table of P-6:
//:
//: 1 Create FixedMemOutput object.
//:
//: 2 Use 'sputc' to bring an object to required state.
//:
//: 3 Use 'sputc' to write character from the table to the object.
//:
//: 4 Verify obtained character set, comparing it with table model.
//: (C-3..5)
//:
//: 5 Verify obtained 'sputc' result, comparing it with table model.
//: (C-8)
//:
//: 6 Verify that no data has been changed outside of client-provided
//: buffer. (C-7)
//:
//: 8 Create an object, write enough characters to fulfil available
//: memory, and then write one more. Verify that written data hasn't
//: been corrupted. (C-9)
//
// Testing:
// FixedMemOutput(char *buffer, bsl::streamsize length);
// ~FixedMemOutput();
// int_type sputc(char_type);
// --------------------------------------------------------------------
if (verbose) cout << endl
<< "PRIMARY MANIPULATORS" << endl
<< "====================" << endl;
if (verbose) cout << "\nTesting value constructor" << endl;
{
char buffer[INIT_BUFSIZE];
Obj mSB(buffer, INIT_BUFSIZE);
const Obj& SB = mSB;
if (verbose) cout <<
"\tEnsure that the stream buffer pointer is set correctly."
<< endl;
ASSERT(buffer == SB.data());
if (verbose) cout <<
"\tEnsure that the stream buffer has specified capacity."
<< endl;
ASSERT(INIT_BUFSIZE == SB.capacity());
if (verbose) cout <<
"\tEnsure that the stream buffer contains no data on construction."
<< endl;