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/**************************************************************************/
/* test_file_access.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef TEST_FILE_ACCESS_H
#define TEST_FILE_ACCESS_H
#include "core/io/file_access.h"
#include "tests/test_macros.h"
#include "tests/test_utils.h"
namespace TestFileAccess {
TEST_CASE("[FileAccess] CSV read") {
Ref<FileAccess> f = FileAccess::open(TestUtils::get_data_path("testdata.csv"), FileAccess::READ);
REQUIRE(f.is_valid());
Vector<String> header = f->get_csv_line(); // Default delimiter: ",".
REQUIRE(header.size() == 4);
Vector<String> row1 = f->get_csv_line(","); // Explicit delimiter, should be the same.
REQUIRE(row1.size() == 4);
CHECK(row1[0] == "GOOD_MORNING");
CHECK(row1[1] == "Good Morning");
CHECK(row1[2] == "Guten Morgen");
CHECK(row1[3] == "Bonjour");
Vector<String> row2 = f->get_csv_line();
REQUIRE(row2.size() == 4);
CHECK(row2[0] == "GOOD_EVENING");
CHECK(row2[1] == "Good Evening");
CHECK(row2[2].is_empty()); // Use case: not yet translated!
// https://github.com/godotengine/godot/issues/44269
CHECK_MESSAGE(row2[2] != "\"", "Should not parse empty string as a single double quote.");
CHECK(row2[3] == "\"\""); // Intentionally testing only escaped double quotes.
Vector<String> row3 = f->get_csv_line();
REQUIRE(row3.size() == 6);
CHECK(row3[0] == "Without quotes");
CHECK(row3[1] == "With, comma");
CHECK(row3[2] == "With \"inner\" quotes");
CHECK(row3[3] == "With \"inner\", quotes\",\" and comma");
CHECK(row3[4] == "With \"inner\nsplit\" quotes and\nline breaks");
CHECK(row3[5] == "With \\nnewline chars"); // Escaped, not an actual newline.
Vector<String> row4 = f->get_csv_line("~"); // Custom delimiter, makes inline commas easier.
REQUIRE(row4.size() == 3);
CHECK(row4[0] == "Some other");
CHECK(row4[1] == "delimiter");
CHECK(row4[2] == "should still work, shouldn't it?");
Vector<String> row5 = f->get_csv_line("\t"); // Tab separated variables.
REQUIRE(row5.size() == 3);
CHECK(row5[0] == "What about");
CHECK(row5[1] == "tab separated");
CHECK(row5[2] == "lines, good?");
}
TEST_CASE("[FileAccess] Get as UTF-8 String") {
Ref<FileAccess> f_lf = FileAccess::open(TestUtils::get_data_path("line_endings_lf.test.txt"), FileAccess::READ);
REQUIRE(!f_lf.is_null());
String s_lf = f_lf->get_as_utf8_string();
f_lf->seek(0);
String s_lf_nocr = f_lf->get_as_utf8_string(true);
CHECK(s_lf == "Hello darkness\nMy old friend\nI've come to talk\nWith you again\n");
CHECK(s_lf_nocr == "Hello darkness\nMy old friend\nI've come to talk\nWith you again\n");
Ref<FileAccess> f_crlf = FileAccess::open(TestUtils::get_data_path("line_endings_crlf.test.txt"), FileAccess::READ);
REQUIRE(!f_crlf.is_null());
String s_crlf = f_crlf->get_as_utf8_string();
f_crlf->seek(0);
String s_crlf_nocr = f_crlf->get_as_utf8_string(true);
CHECK(s_crlf == "Hello darkness\r\nMy old friend\r\nI've come to talk\r\nWith you again\r\n");
CHECK(s_crlf_nocr == "Hello darkness\nMy old friend\nI've come to talk\nWith you again\n");
Ref<FileAccess> f_cr = FileAccess::open(TestUtils::get_data_path("line_endings_cr.test.txt"), FileAccess::READ);
REQUIRE(!f_cr.is_null());
String s_cr = f_cr->get_as_utf8_string();
f_cr->seek(0);
String s_cr_nocr = f_cr->get_as_utf8_string(true);
CHECK(s_cr == "Hello darkness\rMy old friend\rI've come to talk\rWith you again\r");
CHECK(s_cr_nocr == "Hello darknessMy old friendI've come to talkWith you again");
}
TEST_CASE("[FileAccess] Get/Store floating point values") {
// BigEndian Hex: 0x40490E56
// LittleEndian Hex: 0x560E4940
float value = 3.1415f;
SUBCASE("Little Endian") {
const String file_path = TestUtils::get_data_path("floating_point_little_endian.bin");
const String file_path_new = TestUtils::get_data_path("floating_point_little_endian_new.bin");
Ref<FileAccess> f = FileAccess::open(file_path, FileAccess::READ);
REQUIRE(f.is_valid());
CHECK_EQ(f->get_float(), value);
Ref<FileAccess> fw = FileAccess::open(file_path_new, FileAccess::WRITE);
REQUIRE(fw.is_valid());
fw->store_float(value);
fw->close();
CHECK_EQ(FileAccess::get_sha256(file_path_new), FileAccess::get_sha256(file_path));
DirAccess::remove_file_or_error(file_path_new);
}
SUBCASE("Big Endian") {
const String file_path = TestUtils::get_data_path("floating_point_big_endian.bin");
const String file_path_new = TestUtils::get_data_path("floating_point_big_endian_new.bin");
Ref<FileAccess> f = FileAccess::open(file_path, FileAccess::READ);
REQUIRE(f.is_valid());
f->set_big_endian(true);
CHECK_EQ(f->get_float(), value);
Ref<FileAccess> fw = FileAccess::open(file_path_new, FileAccess::WRITE);
REQUIRE(fw.is_valid());
fw->set_big_endian(true);
fw->store_float(value);
fw->close();
CHECK_EQ(FileAccess::get_sha256(file_path_new), FileAccess::get_sha256(file_path));
DirAccess::remove_file_or_error(file_path_new);
}
}
TEST_CASE("[FileAccess] Get/Store floating point half precision values") {
// IEEE 754 half-precision binary floating-point format:
// sign exponent (5 bits) fraction (10 bits)
// 0 01101 0101010101
// BigEndian Hex: 0x3555
// LittleEndian Hex: 0x5535
float value = 0.33325195f;
SUBCASE("Little Endian") {
const String file_path = TestUtils::get_data_path("half_precision_floating_point_little_endian.bin");
const String file_path_new = TestUtils::get_data_path("half_precision_floating_point_little_endian_new.bin");
Ref<FileAccess> f = FileAccess::open(file_path, FileAccess::READ);
REQUIRE(f.is_valid());
CHECK_EQ(f->get_half(), value);
Ref<FileAccess> fw = FileAccess::open(file_path_new, FileAccess::WRITE);
REQUIRE(fw.is_valid());
fw->store_half(value);
fw->close();
CHECK_EQ(FileAccess::get_sha256(file_path_new), FileAccess::get_sha256(file_path));
DirAccess::remove_file_or_error(file_path_new);
}
SUBCASE("Big Endian") {
const String file_path = TestUtils::get_data_path("half_precision_floating_point_big_endian.bin");
const String file_path_new = TestUtils::get_data_path("half_precision_floating_point_big_endian_new.bin");
Ref<FileAccess> f = FileAccess::open(file_path, FileAccess::READ);
REQUIRE(f.is_valid());
f->set_big_endian(true);
CHECK_EQ(f->get_half(), value);
Ref<FileAccess> fw = FileAccess::open(file_path_new, FileAccess::WRITE);
REQUIRE(fw.is_valid());
fw->set_big_endian(true);
fw->store_half(value);
fw->close();
CHECK_EQ(FileAccess::get_sha256(file_path_new), FileAccess::get_sha256(file_path));
DirAccess::remove_file_or_error(file_path_new);
}
}
} // namespace TestFileAccess
#endif // TEST_FILE_ACCESS_H
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