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dcsctp: Add test for StrongAlias<bool> as bool

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This test verifies that a StrongAlias<bool> can be evaluated as
a boolean without dereferencing it. Note that this is not the case
for StrongAlias<int>, for example, as that wouldn't even compile. Which
is quite good.

Bug: webrtc:12614
Change-Id: I67329364721fe0354d78daac1233254035454c03
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/215686
Reviewed-by: Florent Castelli <orphis@webrtc.org>
Commit-Queue: Victor Boivie <boivie@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#33787}
This commit is contained in:
Victor Boivie
2021-04-20 14:25:06 +02:00
committed by Commit Bot
parent 437d129ef5
commit 59d6e2a19e
1 changed files with 12 additions and 0 deletions
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12
net/dcsctp/public/strong_alias_test.cc
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@ -347,4 +347,16 @@ TEST(StrongAliasTest, EnsureConstexpr) {
static_assert(kOne > kZero, "");
static_assert(kOne >= kZero, "");
}
TEST(StrongAliasTest, BooleansAreEvaluatedAsBooleans) {
using BoolAlias = StrongAlias<class BoolTag, bool>;
BoolAlias happy(true);
BoolAlias sad(false);
EXPECT_TRUE(happy);
EXPECT_FALSE(sad);
EXPECT_TRUE(*happy);
EXPECT_FALSE(*sad);
}
} // namespace dcsctp