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Unify counter clamp arithmetic into shared addClamped() helper

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Rename MAX_COUNTERS_ON_CARD to MAX_COUNTER_VALUE

  Add addClamped() in trice_limits.h, which uses a 64-bit intermediate so
  the addition cannot overflow int. Both Server_Card and Server_Counter use it.

  Add optional [minValue, maxValue] bounds to Server_Counter; setCount()
  and incrementCount() both clamp. Defaults are unbounded, so existing
  callers are unaffected.
This commit is contained in:
DawnFire42 2026-06-19 12:20:50 -04:00
parent 687e6644bc
commit 80946b2fd4
8 changed files with 114 additions and 50 deletions
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32
tests/server_counter_test.cpp
View file

@ -5,6 +5,7 @@
#include <gtest/gtest.h>
#include <libcockatrice/network/server/remote/game/server_counter.h>
#include <libcockatrice/utility/trice_limits.h>
#include <limits>
TEST(ServerCounter, IncrementDoesNotOverflow)
@ -79,6 +80,37 @@ TEST(ServerCounter, MixedExtremesDoNotClamp)
EXPECT_EQ(c.getCount(), -1);
}
TEST(ServerCounter, SetCountClampsToCustomBounds)
{
Server_Counter c(1, "test", color(), 10, 50, 0, 100);
EXPECT_TRUE(c.setCount(150));
EXPECT_EQ(c.getCount(), 100);
EXPECT_TRUE(c.setCount(-10));
EXPECT_EQ(c.getCount(), 0);
}
TEST(ServerCounter, IncrementClampsToCustomBounds)
{
Server_Counter c(1, "test", color(), 10, 50, 0, 100);
EXPECT_TRUE(c.incrementCount(100));
EXPECT_EQ(c.getCount(), 100);
EXPECT_FALSE(c.incrementCount(1));
EXPECT_EQ(c.getCount(), 100);
EXPECT_TRUE(c.incrementCount(-200));
EXPECT_EQ(c.getCount(), 0);
EXPECT_FALSE(c.incrementCount(-1));
EXPECT_EQ(c.getCount(), 0);
}
TEST(ServerCounter, CustomBoundsClampToMaxCounterValue)
{
Server_Counter c(1, "test", color(), 20, 0, 0, MAX_COUNTER_VALUE);
EXPECT_TRUE(c.setCount(1000));
EXPECT_EQ(c.getCount(), MAX_COUNTER_VALUE);
EXPECT_TRUE(c.setCount(-5));
EXPECT_EQ(c.getCount(), 0);
}
int main(int argc, char **argv)
{
::testing::InitGoogleTest(&argc, argv);