Compare formatting of value and arg against expectedResult via vformat.

Synopsis

Declared in <bslfmt_formattertestutil.h>

template<
    class t_TYPE,
    class t_ARG>
static
bool
testEvaluateVFormat(
    bsl::string* message,
    bsl::basic_string_view<wchar_t> expectedResult,
    bool alsoTestOracle,
    bsl::basic_string_view<wchar_t> fmt,
    t_TYPE&& value,
    t_ARG&& arg);

Description

Compare the specified expectedResult with the result of formatting the specified value and arg with the specified fmt obtained using a bslfmt::formatter specialization for the (template parameter) t_TYPE. If the specified alsoTestOracle is true, also compare the expectedResult with the result of formatting obtained using a standard library implementation. Return true if these strings are equal, otherwise store a description of the error in the specified output message and return false. Note that fmt can be determined at runtime.

Return Value

true if formatting matches expectedResult, else false.

Parameters

Name

Description

message

Output parameter for an error description on failure.

expectedResult

Expected formatted output string.

alsoTestOracle

If true, also compare against the standard library formatter.

fmt

Runtime format string (one additional argument).

value

Primary value to format.

arg

Additional format argument.

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