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// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <algorithm>
#include "src/utils/utils.h"
#include "testing/gmock-support.h"
#include "testing/gtest-support.h"
namespace v8 {
namespace internal {
TEST(VectorTest, Factories) {
auto vec = CStrVector("foo");
EXPECT_EQ(3u, vec.size());
EXPECT_EQ(0, memcmp(vec.begin(), "foo", 3));
vec = ArrayVector("foo");
EXPECT_EQ(4u, vec.size());
EXPECT_EQ(0, memcmp(vec.begin(), "foo\0", 4));
vec = CStrVector("foo\0\0");
EXPECT_EQ(3u, vec.size());
EXPECT_EQ(0, memcmp(vec.begin(), "foo", 3));
vec = CStrVector("");
EXPECT_EQ(0u, vec.size());
vec = CStrVector("\0");
EXPECT_EQ(0u, vec.size());
}
// Test operator== and operator!= on different Vector types.
TEST(VectorTest, Equals) {
auto foo1 = CStrVector("foo");
auto foo2 = ArrayVector("ffoo") + 1;
EXPECT_EQ(4u, foo2.size()); // Includes trailing '\0'.
foo2.Truncate(foo2.size() - 1);
// This is a requirement for the test.
EXPECT_NE(foo1.begin(), foo2.begin());
EXPECT_EQ(foo1, foo2);
// Compare Vector<char> against Vector<const char>.
char arr1[] = {'a', 'b', 'c'};
char arr2[] = {'a', 'b', 'c'};
char arr3[] = {'a', 'b', 'd'};
Vector<char> vec1_char = ArrayVector(arr1);
Vector<const char> vec1_const_char = vec1_char;
Vector<char> vec2_char = ArrayVector(arr2);
Vector<char> vec3_char = ArrayVector(arr3);
EXPECT_NE(vec1_char.begin(), vec2_char.begin());
// Note: We directly call operator== and operator!= here (without EXPECT_EQ or
// EXPECT_NE) to have full control over the arguments.
EXPECT_TRUE(vec1_char == vec1_const_char);
EXPECT_TRUE(vec1_char == vec2_char);
EXPECT_TRUE(vec1_const_char == vec2_char);
EXPECT_TRUE(vec1_const_char != vec3_char);
EXPECT_TRUE(vec3_char != vec2_char);
EXPECT_TRUE(vec3_char != vec1_const_char);
}
TEST(OwnedVectorConstruction, Equals) {
auto int_vec = OwnedVector<int>::New(4);
EXPECT_EQ(4u, int_vec.size());
auto find_non_zero = [](int i) { return i != 0; };
EXPECT_EQ(int_vec.end(),
std::find_if(int_vec.begin(), int_vec.end(), find_non_zero));
constexpr int kInit[] = {4, 11, 3};
auto init_vec1 = OwnedVector<int>::Of(kInit);
// Note: {const int} should also work: We initialize the owned vector, but
// afterwards it's non-modifyable.
auto init_vec2 = OwnedVector<const int>::Of(ArrayVector(kInit));
EXPECT_EQ(init_vec1.as_vector(), ArrayVector(kInit));
EXPECT_EQ(init_vec1.as_vector(), init_vec2.as_vector());
}
// Test that the constexpr factory methods work.
TEST(VectorTest, ConstexprFactories) {
static constexpr int kInit1[] = {4, 11, 3};
static constexpr auto kVec1 = ArrayVector(kInit1);
STATIC_ASSERT(kVec1.size() == 3);
EXPECT_THAT(kVec1, testing::ElementsAreArray(kInit1));
static constexpr auto kVec2 = VectorOf(kInit1, 2);
STATIC_ASSERT(kVec2.size() == 2);
EXPECT_THAT(kVec2, testing::ElementsAre(4, 11));
static constexpr const char kInit3[] = "foobar";
static constexpr auto kVec3 = StaticCharVector(kInit3);
STATIC_ASSERT(kVec3.size() == 6);
EXPECT_THAT(kVec3, testing::ElementsAreArray(kInit3, kInit3 + 6));
}
} // namespace internal
} // namespace v8
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