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LibTest: Add more numeric generators

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Rename unsigned_int generator to number_u32.
Add generators:
- number_u64
- number_f64
- percentage
This commit is contained in:
Martin Janiczek 2023-12-30 16:23:59 +01:00 • committed by Andrew Kaster
parent dd53f64d2f
commit d52ffcd830
Notes: sideshowbarker 2024-07-17 06:40:21 +09:00
15 changed files with 312 additions and 133 deletions
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8
Tests/AK/TestBuiltinWrappers.cpp
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@ -72,13 +72,13 @@ RANDOMIZED_TEST_CASE(count_leading_zeroes)
{
// count_leading_zeroes(0b000...0001000...000)
// == count_leading_zeroes(0b000...0001___...___) (where _ is 0 or 1)
GEN(e, Gen::unsigned_int(0, 63));
GEN(e, Gen::number_u64(0, 63));
auto power_of_two = 1ULL << e;
// We add random one-bits below the leftmost (and only) one-bit.
// This shouldn't change the output of count_leading_zeroes because
// the function should only care about the most significant one.
GEN(below, Gen::unsigned_int(0, power_of_two - 1));
GEN(below, Gen::number_u64(0, power_of_two - 1));
auto n = power_of_two + below;
EXPECT_EQ(count_leading_zeroes(n), count_leading_zeroes(power_of_two));
@ -89,7 +89,7 @@ RANDOMIZED_TEST_CASE(count_required_bits)
// count_required_bits(n) == log2(n) + 1
// log2(0) is -infinity, we don't care about that
GEN(n, Gen::unsigned_int(1, NumericLimits<u32>::max()));
GEN(n, Gen::number_u32(1, NumericLimits<u32>::max()));
size_t expected = AK::log2(static_cast<double>(n)) + 1;
@ -99,6 +99,6 @@ RANDOMIZED_TEST_CASE(count_required_bits)
RANDOMIZED_TEST_CASE(bit_scan_forward_count_trailing_zeroes)
{
// Behaviour for 0 differs, so we skip it.
GEN(n, Gen::unsigned_int(1, 1 << 31));
GEN(n, Gen::number_u32(1, 1 << 31));
EXPECT_EQ(bit_scan_forward(n), count_trailing_zeroes(n) + 1);
}