75 lines
1.4 KiB
C++
75 lines
1.4 KiB
C++
#include "BLI_stack.hh"
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#include "testing/testing.h"
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using BLI::Stack;
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using IntStack = Stack<int>;
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TEST(stack, DefaultConstructor)
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{
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IntStack stack;
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EXPECT_EQ(stack.size(), 0);
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EXPECT_TRUE(stack.is_empty());
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}
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TEST(stack, ArrayRefConstructor)
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{
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std::array<int, 3> array = {4, 7, 2};
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IntStack stack(array);
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EXPECT_EQ(stack.size(), 3);
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EXPECT_EQ(stack.pop(), 2);
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EXPECT_EQ(stack.pop(), 7);
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EXPECT_EQ(stack.pop(), 4);
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EXPECT_TRUE(stack.is_empty());
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}
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TEST(stack, Push)
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{
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IntStack stack;
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EXPECT_EQ(stack.size(), 0);
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stack.push(3);
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EXPECT_EQ(stack.size(), 1);
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stack.push(5);
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EXPECT_EQ(stack.size(), 2);
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}
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TEST(stack, PushMultiple)
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{
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IntStack stack;
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EXPECT_EQ(stack.size(), 0);
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stack.push_multiple({1, 2, 3});
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EXPECT_EQ(stack.size(), 3);
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EXPECT_EQ(stack.pop(), 3);
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EXPECT_EQ(stack.pop(), 2);
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EXPECT_EQ(stack.pop(), 1);
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}
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TEST(stack, Pop)
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{
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IntStack stack;
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stack.push(4);
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stack.push(6);
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EXPECT_EQ(stack.pop(), 6);
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EXPECT_EQ(stack.pop(), 4);
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}
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TEST(stack, Peek)
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{
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IntStack stack;
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stack.push(3);
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stack.push(4);
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EXPECT_EQ(stack.peek(), 4);
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EXPECT_EQ(stack.peek(), 4);
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stack.pop();
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EXPECT_EQ(stack.peek(), 3);
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}
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TEST(stack, UniquePtrValues)
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{
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Stack<std::unique_ptr<int>> stack;
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stack.push(std::unique_ptr<int>(new int()));
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stack.push(std::unique_ptr<int>(new int()));
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std::unique_ptr<int> a = stack.pop();
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std::unique_ptr<int> &b = stack.peek();
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UNUSED_VARS(a, b);
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}
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