erius
f3aaa26df8
Changed file format for a FileTape - added and example in the class comment Removed prev_line_pos and at_first_line fields from FieldTape Changed Tape data type from int32_t to uint32_t Cleand up includes Implemented FileTape methods Unit tests are in working state
82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
#include "filetape.h"
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#include <catch2/catch_test_macros.hpp>
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// NOLINTBEGIN(readability-function-cognitive-complexity)
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TEST_CASE("Reading data from a FileTape", "[filetape]") {
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tape::FileTape tape(FILETAPE_TEST_FILE);
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SECTION("Read all data sequentially") {
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REQUIRE(tape.read() == 1);
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REQUIRE(tape.seek_forward() == true);
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REQUIRE(tape.read() == 2);
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REQUIRE(tape.seek_forward() == true);
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REQUIRE(tape.read() == 3);
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REQUIRE(tape.seek_forward() == true);
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REQUIRE(tape.read() == 4);
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REQUIRE(tape.seek_forward() == true);
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REQUIRE(tape.read() == 5);
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}
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SECTION("Read data non-sequentially") {
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REQUIRE(tape.read() == 1);
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REQUIRE(tape.seek_forward() == true);
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REQUIRE(tape.read() == 2);
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REQUIRE(tape.seek_backwards() == true);
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REQUIRE(tape.read() == 1);
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REQUIRE(tape.seek_forward() == true);
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REQUIRE(tape.seek_forward() == true);
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REQUIRE(tape.seek_forward() == true);
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REQUIRE(tape.read() == 4);
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REQUIRE(tape.seek_backwards() == true);
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REQUIRE(tape.seek_backwards() == true);
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REQUIRE(tape.read() == 2);
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}
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}
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TEST_CASE("Seeking forward and backwards", "[filetape]") {
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tape::FileTape tape(FILETAPE_TEST_FILE);
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SECTION("Rewinding at the beginning of a file tape") {
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REQUIRE(tape.seek_backwards() == false);
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REQUIRE(tape.read() == 1);
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REQUIRE(tape.seek_forward() == true);
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REQUIRE(tape.read() == 2);
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REQUIRE(tape.seek_backwards() == true);
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REQUIRE(tape.seek_backwards() == false);
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REQUIRE(tape.read() == 1);
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}
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SECTION("Seeking at the end of a file tape") {
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const int size = 5;
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// seek to end of a file tape
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for (int i = 0; i < size - 1; i++) {
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REQUIRE(tape.seek_forward() == true);
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}
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REQUIRE(tape.seek_forward() == false);
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REQUIRE(tape.read() == 5);
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REQUIRE(tape.seek_backwards() == true);
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REQUIRE(tape.read() == 4);
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REQUIRE(tape.seek_forward() == true);
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REQUIRE(tape.seek_forward() == false);
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REQUIRE(tape.read() == 5);
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}
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}
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TEST_CASE("Writing to a file tape", "[filetape]") {
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tape::FileTape tape(3);
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tape.write(0);
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REQUIRE(tape.read() == 0);
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tape.seek_forward();
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tape.write(1);
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REQUIRE(tape.read() == 1);
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tape.seek_forward();
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tape.write(2);
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REQUIRE(tape.read() == 2);
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tape.write(3);
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REQUIRE(tape.read() == 3);
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tape.seek_backwards();
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tape.write(4);
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REQUIRE(tape.read() == 4);
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}
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// NOLINTEND(readability-function-cognitive-complexity)
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