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use unittest as an example

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Q. F. Schroll 2018-05-07 21:47:06 +02:00 • committed by Sebastian Wilzbach
parent f73972eada
commit 07dffef19f
1 changed files with 43 additions and 66 deletions
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109
std/typecons.d
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@ -1216,40 +1216,6 @@ if (distinctFieldNames!(Specs))
* $(TROW $(P `%(inner%|sep%)`), $(P The format `inner` is one format, that is applied
* on all fields of the `Tuple`. The inner format must be compatible to all
* of them.)))
*
* Example:
* ---
* Tuple!(int, double)[3] tupList = [ tuple(1, 1.0), tuple(2, 4.0), tuple(3, 9.0) ];
*
* // Default format
* assert(format("%s", tuple("a", 1)) == `Tuple!(string, int)("a", 1)`);
*
* // One Format for each individual component
* assert(format("%(%#x v %.4f w %#x%)", tuple(1, 1.0, 10)) == `0x1 v 1.0000 w 0xa`);
* assert(format( "%#x v %.4f w %#x" , tuple(1, 1.0, 10).expand) == `0x1 v 1.0000 w 0xa`);
*
* // One Format for all components
* assert(format("%(>%s<%| & %)", tuple("abc", 1, 2.3, [4, 5])) == `>abc< & >1< & >2.3< & >[4, 5]<`);
*
* // Array of Tuples
* assert(format("%(%(f(%d) = %.1f%); %)", tupList) == `f(1) = 1.0; f(2) = 4.0; f(3) = 9.0`);
*
*
* // Error: %( %) missing.
* assertThrown!FormatException(
* format("%d, %f", tuple(1, 2.0)) == `1, 2.0`
* );
*
* // Error: %( %| %) missing.
* assertThrown!FormatException(
* format("%d", tuple(1, 2)) == `1, 2`
* );
*
* // Error: %d inadequate for double.
* assertThrown!FormatException(
* format("%(%d%|, %)", tuple(1, 2.0)) == `1, 2.0`
* );
* ---
*/
void toString(DG)(scope DG sink) const
{
@ -1257,6 +1223,48 @@ if (distinctFieldNames!(Specs))
toString(sink, f);
}
///
static if (Types.length == 0)
@safe unittest
{
import std.format : format, FormatException;
import std.exception : assertThrown;
// enum tupStr = tuple(1, 1.0).toString; // toString is *impure* for double (issue 17628)
// static assert(tupStr == `Tuple!(int, double)(1, 1)`);
Tuple!(int, double)[3] tupList = [ tuple(1, 1.0), tuple(2, 4.0), tuple(3, 9.0) ];
// Default format
assert(format("%s", tuple("a", 1)) == `Tuple!(string, int)("a", 1)`);
// One Format for each individual component
assert(format("%(%#x v %.4f w %#x%)", tuple(1, 1.0, 10)) == `0x1 v 1.0000 w 0xa`);
assert(format( "%#x v %.4f w %#x" , tuple(1, 1.0, 10).expand) == `0x1 v 1.0000 w 0xa`);
// One Format for all components
assert(format("%(>%s<%| & %)", tuple("abc", 1, 2.3, [4, 5])) == `>abc< & >1< & >2.3< & >[4, 5]<`);
// Array of Tuples
assert(format("%(%(f(%d) = %.1f%); %)", tupList) == `f(1) = 1.0; f(2) = 4.0; f(3) = 9.0`);
// Error: %( %) missing.
assertThrown!FormatException(
format("%d, %f", tuple(1, 2.0)) == `1, 2.0`
);
// Error: %( %| %) missing.
assertThrown!FormatException(
format("%d", tuple(1, 2)) == `1, 2`
);
// Error: %d inadequate for double
assertThrown!FormatException(
format("%(%d%|, %)", tuple(1, 2.0)) == `1, 2.0`
);
}
/// ditto
void toString(DG, Char)(scope DG sink, const ref FormatSpec!Char fmt) const
{
@ -1929,39 +1937,8 @@ private template ReverseTupleSpecs(T...)
import std.format : format, FormatException;
import std.exception : assertThrown;
// enum tupStr = tuple(1, 1.0).toString; // toString is *impure*.
//enum tupStr = tuple(1, 1.0).toString; // toString is *impure*.
//static assert(tupStr == `Tuple!(int, double)(1, 1)`);
Tuple!(int, double)[3] tupList = [ tuple(1, 1.0), tuple(2, 4.0), tuple(3, 9.0) ];
// Default format
assert(format("%s", tuple("a", 1)) == `Tuple!(string, int)("a", 1)`);
// One Format for each individual component
assert(format("%(%#x v %.4f w %#x%)", tuple(1, 1.0, 10)) == `0x1 v 1.0000 w 0xa`);
assert(format( "%#x v %.4f w %#x" , tuple(1, 1.0, 10).expand) == `0x1 v 1.0000 w 0xa`);
// One Format for all components
assert(format("%(>%s<%| & %)", tuple("abc", 1, 2.3, [4, 5])) == `>abc< & >1< & >2.3< & >[4, 5]<`);
// Array of Tuples
assert(format("%(%(f(%d) = %.1f%); %)", tupList) == `f(1) = 1.0; f(2) = 4.0; f(3) = 9.0`);
// Error: %( %) missing.
assertThrown!FormatException(
format("%d, %f", tuple(1, 2.0)) == `1, 2.0`
);
// Error: %( %| %) missing.
assertThrown!FormatException(
format("%d", tuple(1, 2)) == `1, 2`
);
// Error: %d inadequate for double
assertThrown!FormatException(
format("%(%d%|, %)", tuple(1, 2.0)) == `1, 2.0`
);
}
// Issue 17803, parte uno