Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

✅ Add sat_sub tests to bit mask >> #51

Merged
merged 1 commit into from
Dec 22, 2024
Merged

✅ Add sat_sub tests to bit mask >> #51

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
25 changes: 22 additions & 3 deletions tests/bit.functions.test.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -451,22 +451,41 @@ boost::ut::suite<"bit_mask_shift_test"> bit_mask_shift_test = [] {
};

"hal::bit_mask left right"_test = []() {
// Setup
constexpr auto mask1 = hal::bit_mask::from(23, 26);

// Exercise
constexpr auto mask2 = mask1 >> 5U;
constexpr auto mask3 = mask2 >> 5U;
constexpr auto mask4 = mask3 >> 5U;

constexpr auto mask5 = mask4 >> 7U;
// Exercise: shifting position 8 back 8 bits should result in position 0
constexpr auto mask6 = mask4 >> 8U;
// Exercise: saturating subtraction due to underflow should have position 0
constexpr auto mask7 = mask4 >> 12U;

// Verify
expect(that % 23 == mask1.position);
expect(that % 4 == mask1.width);

expect(that % (23 - 5) == mask2.position);
expect(that % 18 == mask2.position);
expect(that % 4 == mask2.width);

expect(that % (23 - (5 * 2)) == mask3.position);
expect(that % 13 == mask3.position);
expect(that % 4 == mask3.width);

expect(that % (23 - (5 * 3)) == mask4.position);
expect(that % 8 == mask4.position);
expect(that % 4 == mask4.width);

expect(that % 1 == mask5.position);
expect(that % 4 == mask5.width);

expect(that % 0 == mask6.position);
expect(that % 4 == mask6.width);

expect(that % 0 == mask7.position);
expect(that % 4 == mask7.width);
};
};
} // namespace hal
Loading