Files
yoga/tests/NumericBitfieldTest.cpp
Nick Gerleman f9c2c27d33 Use fbsource clang-format config
Summary:
This mirrors the clang-format config used by fbsource to Yoga.

They are pretty similar, except for an annoying habit where Yoga's previous forced small functions in headers to be a a single line, so you would get a combination of multiline and single line functions next to each other which are hard to read. That is what motivated this change.

It also enforces header ordering (yay). I don't think we have any side-effect causing headers, so this should be safe.

Reviewed By: yungsters

Differential Revision: D49248994

fbshipit-source-id: 66998395e7c0158ff9d9fb1bee44e8401bdd8f21
2023-09-13 20:12:55 -07:00

206 lines
6.1 KiB
C++

/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#include <gtest/gtest.h>
#include <yoga/bits/NumericBitfield.h>
#include <cstdint>
namespace facebook::yoga {
TEST(NumericBitfield, one_boolean_defaults_to_false) {
constexpr uint32_t flags = 0;
ASSERT_EQ(getBooleanData(flags, 0), false);
static_assert(
getBooleanData(flags, 0) == false,
"first boolean member must default to false");
}
TEST(NumericBitfield, one_boolean_can_be_initialized_to_true) {
constexpr uint32_t flags = 1;
ASSERT_EQ(getBooleanData(flags, 0), true);
static_assert(
getBooleanData(flags, 0) == true,
"first boolean member must be initialized to true");
}
TEST(NumericBitfield, one_boolean_can_be_set_to_true) {
uint32_t flags = 0;
setBooleanData(flags, 0, true);
ASSERT_EQ(getBooleanData(flags, 0), true);
}
TEST(NumericBitfield, second_boolean_defaults_to_false) {
constexpr uint32_t flags = 0;
ASSERT_EQ(getBooleanData(flags, 1), false);
static_assert(
getBooleanData(flags, 1) == false,
"second boolean member must default to false");
}
TEST(NumericBitfield, second_boolean_can_be_initialized_to_true) {
constexpr uint32_t flags = 2;
ASSERT_EQ(getBooleanData(flags, 0), false);
ASSERT_EQ(getBooleanData(flags, 1), true);
static_assert(
getBooleanData(flags, 0) == false,
"first boolean member must default to false");
static_assert(
getBooleanData(flags, 1) == true,
"second boolean member must be initialized to true");
}
TEST(NumericBitfield, second_boolean_can_be_set_to_true) {
uint32_t flags = 0;
setBooleanData(flags, 1, true);
ASSERT_EQ(getBooleanData(flags, 0), false);
ASSERT_EQ(getBooleanData(flags, 1), true);
}
TEST(NumericBitfield, third_boolean_defaults_to_false) {
constexpr uint32_t flags = 0;
ASSERT_EQ(getBooleanData(flags, 2), false);
static_assert(
getBooleanData(flags, 2) == false,
"second boolean member must default to false");
}
TEST(NumericBitfield, third_boolean_can_be_initialized_to_true) {
constexpr uint32_t flags = 4;
ASSERT_EQ(getBooleanData(flags, 0), false);
ASSERT_EQ(getBooleanData(flags, 1), false);
ASSERT_EQ(getBooleanData(flags, 2), true);
static_assert(
getBooleanData(flags, 0) == false,
"first boolean member must default to false");
static_assert(
getBooleanData(flags, 1) == false,
"second boolean member must default to false");
static_assert(
getBooleanData(flags, 2) == true,
"second boolean member must be initialized to true");
}
TEST(NumericBitfield, third_boolean_can_be_set_to_true) {
uint32_t flags = 0;
setBooleanData(flags, 2, true);
ASSERT_EQ(getBooleanData(flags, 0), false);
ASSERT_EQ(getBooleanData(flags, 1), false);
ASSERT_EQ(getBooleanData(flags, 2), true);
}
TEST(NumericBitfield, setting_boolean_values_does_not_spill_over) {
uint32_t flags = 0;
setBooleanData(flags, 1, (bool)7);
ASSERT_EQ(getBooleanData(flags, 0), false);
ASSERT_EQ(getBooleanData(flags, 1), true);
ASSERT_EQ(getBooleanData(flags, 2), false);
}
TEST(NumericBitfield, first_enum_defaults_to_0) {
constexpr uint32_t flags = 0;
ASSERT_EQ(getEnumData<YGAlign>(flags, 0), YGAlignAuto);
static_assert(
getEnumData<YGAlign>(flags, 0) == YGAlignAuto,
"first enum member must default to 0");
}
TEST(NumericBitfield, first_enum_can_be_set) {
uint32_t flags = 0;
setEnumData<YGAlign>(flags, 0, YGAlignSpaceBetween);
ASSERT_EQ(getEnumData<YGAlign>(flags, 0), YGAlignSpaceBetween);
}
TEST(NumericBitfield, second_enum_defaults_to_0) {
constexpr uint32_t flags = 0;
static constexpr size_t alignOffset = 0;
static constexpr size_t edgeOffset = 3;
ASSERT_EQ(getEnumData<YGAlign>(flags, alignOffset), YGAlignAuto);
ASSERT_EQ(getEnumData<YGEdge>(flags, edgeOffset), YGEdgeLeft);
static_assert(
getEnumData<YGAlign>(flags, alignOffset) == YGAlignAuto,
"first enum member must default to 0");
static_assert(
getEnumData<YGEdge>(flags, edgeOffset) == YGEdgeLeft,
"second enum member must default to 0");
}
TEST(NumericBitfield, second_enum_can_be_set) {
uint32_t flags = 0;
static constexpr size_t alignOffset = 0;
static constexpr size_t edgeOffset = 3;
setEnumData<YGEdge>(flags, edgeOffset, YGEdgeAll);
ASSERT_EQ(getEnumData<YGAlign>(flags, alignOffset), YGAlignAuto);
ASSERT_EQ(getEnumData<YGEdge>(flags, edgeOffset), YGEdgeAll);
}
TEST(NumericBitfield, third_enum_defaults_to_0) {
constexpr uint32_t flags = 0;
static constexpr size_t alignOffset = 0;
static constexpr size_t boolOffset = 3;
static constexpr size_t edgesOffset = 4;
ASSERT_EQ(getEnumData<YGAlign>(flags, alignOffset), YGAlignAuto);
ASSERT_EQ(getBooleanData(flags, boolOffset), false);
ASSERT_EQ(getEnumData<YGEdge>(flags, edgesOffset), YGEdgeLeft);
static_assert(
getEnumData<YGAlign>(flags, alignOffset) == YGAlignAuto,
"first enum member must default to 0");
static_assert(
getBooleanData(flags, boolOffset) == false,
"middle boolean member must default to false");
static_assert(
getEnumData<YGEdge>(flags, edgesOffset) == YGEdgeLeft,
"last enum member must default to 0");
}
TEST(NumericBitfield, third_enum_can_be_set) {
uint32_t flags = 0;
static constexpr size_t alignOffset = 0;
static constexpr size_t boolOffset = 3;
static constexpr size_t edgesOffset = 4;
setEnumData<YGEdge>(flags, edgesOffset, YGEdgeVertical);
ASSERT_EQ(getEnumData<YGAlign>(flags, alignOffset), YGAlignAuto);
ASSERT_EQ(getBooleanData(flags, boolOffset), false);
ASSERT_EQ(getEnumData<YGEdge>(flags, edgesOffset), YGEdgeVertical);
}
TEST(NumericBitfield, setting_values_does_not_spill_over) {
uint32_t flags = 0;
static constexpr size_t alignOffset = 0;
static constexpr size_t edgesOffset = 3;
static constexpr size_t boolOffset = 7;
uint32_t edge = 0xffffff;
setEnumData<YGEdge>(flags, edgesOffset, (YGEdge)edge);
ASSERT_EQ(getEnumData<YGAlign>(flags, alignOffset), 0);
ASSERT_EQ(getBooleanData(flags, boolOffset), false);
ASSERT_EQ(getEnumData<YGEdge>(flags, edgesOffset), 0xf);
}
} // namespace facebook::yoga