// Copyright 2022 The Dawn & Tint Authors
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#include "src/tint/utils/containers/unique_allocator.h"

#include <string>

#include "gtest/gtest.h"

namespace tint {
namespace {

TEST(UniqueAllocator, Int) {
    UniqueAllocator<int> a;
    EXPECT_NE(a.Get(0), a.Get(1));
    EXPECT_NE(a.Get(1), a.Get(2));
    EXPECT_EQ(a.Get(0), a.Get(0));
    EXPECT_EQ(a.Get(1), a.Get(1));
    EXPECT_EQ(a.Get(2), a.Get(2));
}

TEST(UniqueAllocator, Float) {
    UniqueAllocator<float> a;
    EXPECT_NE(a.Get(0.1f), a.Get(1.1f));
    EXPECT_NE(a.Get(1.1f), a.Get(2.1f));
    EXPECT_EQ(a.Get(0.1f), a.Get(0.1f));
    EXPECT_EQ(a.Get(1.1f), a.Get(1.1f));
    EXPECT_EQ(a.Get(2.1f), a.Get(2.1f));
}

TEST(UniqueAllocator, String) {
    UniqueAllocator<std::string> a;
    EXPECT_NE(a.Get("x"), a.Get("y"));
    EXPECT_NE(a.Get("z"), a.Get("w"));
    EXPECT_EQ(a.Get("x"), a.Get("x"));
    EXPECT_EQ(a.Get("y"), a.Get("y"));
    EXPECT_EQ(a.Get("z"), a.Get("z"));
}

}  // namespace
}  // namespace tint