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Add tests for empty range

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This commit is contained in:
Eduard Staniloiu 2016-12-19 20:50:59 +02:00
parent b9d271d52c
commit e1c5362995
1 changed files with 11 additions and 1 deletions
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12
std/algorithm/iteration.d
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@ -4836,7 +4836,7 @@ if (isInputRange!Range && is(typeof(binaryFun!pred(r.front, r.front)) == bool))
} }
/// ///
@safe unittest @trusted unittest
{ {
import std.algorithm.comparison : equal; import std.algorithm.comparison : equal;
@ -4857,6 +4857,16 @@ if (isInputRange!Range && is(typeof(binaryFun!pred(r.front, r.front)) == bool))
r.popBack; r.popBack;
assert(r.back == S(1, "a")); assert(r.back == S(1, "a"));
assert(r.front == r.back); assert(r.front == r.back);
r.popBack;
assert(r.empty);
import std.exception : assertThrown;
assertThrown!Error(r.front);
assertThrown!Error(r.back);
assertThrown!Error(r.popFront);
assertThrown!Error(r.popBack);
} }
private struct UniqResult(alias pred, Range) private struct UniqResult(alias pred, Range)