forked from M-Labs/nac3
92 lines
2.1 KiB
C++
92 lines
2.1 KiB
C++
#pragma once
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#include <irrt_everything.hpp>
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#include <test/includes.hpp>
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namespace test {
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namespace slice {
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void test_slice_normal() {
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// Normal situation
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BEGIN_TEST();
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UserSlice user_slice;
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user_slice.set_stop(5);
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Slice slice = user_slice.indices(100);
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printf("%d, %d, %d\n", slice.start, slice.stop, slice.step);
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assert_values_match(0, slice.start);
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assert_values_match(5, slice.stop);
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assert_values_match(1, slice.step);
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}
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void test_slice_start_too_large() {
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// Start is too large and should be clamped to length
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BEGIN_TEST();
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UserSlice user_slice;
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user_slice.set_start(400);
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Slice slice = user_slice.indices(100);
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assert_values_match(100, slice.start);
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assert_values_match(100, slice.stop);
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assert_values_match(1, slice.step);
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}
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void test_slice_negative_start_stop() {
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// Negative start/stop should be resolved
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BEGIN_TEST();
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UserSlice user_slice;
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user_slice.set_start(-10);
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user_slice.set_stop(-5);
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Slice slice = user_slice.indices(100);
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assert_values_match(90, slice.start);
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assert_values_match(95, slice.stop);
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assert_values_match(1, slice.step);
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}
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void test_slice_only_negative_step() {
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// Things like `[::-5]` should be handled correctly
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BEGIN_TEST();
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UserSlice user_slice;
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user_slice.set_step(-5);
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Slice slice = user_slice.indices(100);
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assert_values_match(99, slice.start);
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assert_values_match(-1, slice.stop);
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assert_values_match(-5, slice.step);
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}
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void test_slice_step_zero() {
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// Step = 0 is a value error
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BEGIN_TEST();
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ErrorContext errctx = create_testing_errctx();
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UserSlice user_slice;
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user_slice.set_start(2);
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user_slice.set_stop(12);
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user_slice.set_step(0);
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Slice slice;
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user_slice.indices_checked(&errctx, 100, &slice);
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assert_errctx_has_error(&errctx, errctx.error_ids->value_error);
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}
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void run() {
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test_slice_normal();
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test_slice_start_too_large();
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test_slice_negative_start_stop();
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test_slice_only_negative_step();
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test_slice_step_zero();
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}
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} // namespace slice
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} // namespace test
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