53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
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// tests/cpp/test_fixed_buffer.cpp — exercises FixedBuffer's cursor semantics
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// and capacity guard.
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#include "test_helpers.hpp"
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#include "../../nisps/core/fixed_buffer.hpp"
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NISPS_TEST(fixed_buffer_starts_empty) {
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nisps::FixedBuffer<int, 8> b;
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NISPS_EXPECT(b.size() == 0u);
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NISPS_EXPECT(b.empty());
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NISPS_EXPECT(!b.full());
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NISPS_EXPECT(b.capacity() == 8u);
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}
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NISPS_TEST(fixed_buffer_push_and_index) {
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nisps::FixedBuffer<int, 4> b;
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NISPS_EXPECT(b.push_back(10));
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NISPS_EXPECT(b.push_back(20));
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NISPS_EXPECT(b.push_back(30));
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NISPS_EXPECT(b.size() == 3u);
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NISPS_EXPECT(b[0] == 10);
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NISPS_EXPECT(b[1] == 20);
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NISPS_EXPECT(b[2] == 30);
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NISPS_EXPECT(b.front() == 10);
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NISPS_EXPECT(b.back() == 30);
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}
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NISPS_TEST(fixed_buffer_refuses_when_full) {
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nisps::FixedBuffer<int, 2> b;
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NISPS_EXPECT(b.push_back(1));
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NISPS_EXPECT(b.push_back(2));
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NISPS_EXPECT(b.full());
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NISPS_EXPECT(!b.push_back(3)); // refused
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NISPS_EXPECT(b.size() == 2u); // unchanged
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}
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NISPS_TEST(fixed_buffer_clear_resets) {
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nisps::FixedBuffer<int, 4> b;
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b.push_back(1); b.push_back(2);
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b.clear();
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NISPS_EXPECT(b.empty());
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NISPS_EXPECT(b.push_back(99));
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NISPS_EXPECT(b[0] == 99);
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}
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NISPS_TEST(fixed_buffer_iteration) {
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nisps::FixedBuffer<int, 8> b;
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for (int i = 0; i < 5; ++i) b.push_back(i * 2);
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int sum = 0;
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for (int v : b) sum += v;
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NISPS_EXPECT(sum == 0 + 2 + 4 + 6 + 8);
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}
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