mirror of
https://github.com/godotengine/godot
synced 2024-09-05 07:48:34 +00:00
![reduz](/assets/img/avatar_default.png)
-Using classes to call and a table -For typed code (GDS or GDNative), can obtain functions to call prevalidated or ptr.
446 lines
15 KiB
C++
446 lines
15 KiB
C++
/*************************************************************************/
|
|
/* test_expression.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* 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_EXPRESSION_H
|
|
#define TEST_EXPRESSION_H
|
|
|
|
#include "core/math/expression.h"
|
|
|
|
#include "tests/test_macros.h"
|
|
|
|
namespace TestExpression {
|
|
|
|
TEST_CASE("[Expression] Integer arithmetic") {
|
|
Expression expression;
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("-123456") == OK,
|
|
"Integer identity should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
int(expression.execute()) == -123456,
|
|
"Integer identity should return the expected result.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("2 + 3") == OK,
|
|
"Integer addition should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
int(expression.execute()) == 5,
|
|
"Integer addition should return the expected result.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("999999999999 + 999999999999") == OK,
|
|
"Large integer addition should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
int64_t(expression.execute()) == 1'999'999'999'998,
|
|
"Large integer addition should return the expected result.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("25 / 10") == OK,
|
|
"Integer / integer division should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
int(expression.execute()) == 2,
|
|
"Integer / integer division should return the expected result.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("2 * (6 + 14) / 2 - 5") == OK,
|
|
"Integer multiplication-addition-subtraction-division should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
int(expression.execute()) == 15,
|
|
"Integer multiplication-addition-subtraction-division should return the expected result.");
|
|
}
|
|
|
|
TEST_CASE("[Expression] Floating-point arithmetic") {
|
|
Expression expression;
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("-123.456") == OK,
|
|
"Float identity should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
Math::is_equal_approx(float(expression.execute()), -123.456),
|
|
"Float identity should return the expected result.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("2.0 + 3.0") == OK,
|
|
"Float addition should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
Math::is_equal_approx(float(expression.execute()), 5),
|
|
"Float addition should return the expected result.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("3.0 / 10") == OK,
|
|
"Float / integer division should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
Math::is_equal_approx(float(expression.execute()), 0.3),
|
|
"Float / integer division should return the expected result.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("3 / 10.0") == OK,
|
|
"Basic integer / float division should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
Math::is_equal_approx(float(expression.execute()), 0.3),
|
|
"Basic integer / float division should return the expected result.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("3.0 / 10.0") == OK,
|
|
"Float / float division should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
Math::is_equal_approx(float(expression.execute()), 0.3),
|
|
"Float / float division should return the expected result.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("2.5 * (6.0 + 14.25) / 2.0 - 5.12345") == OK,
|
|
"Float multiplication-addition-subtraction-division should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
Math::is_equal_approx(float(expression.execute()), 20.18905),
|
|
"Float multiplication-addition-subtraction-division should return the expected result.");
|
|
}
|
|
|
|
TEST_CASE("[Expression] Scientific notation") {
|
|
Expression expression;
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("2.e5") == OK,
|
|
"The expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
Math::is_equal_approx(float(expression.execute()), 200'000),
|
|
"The expression should return the expected result.");
|
|
|
|
// The middle "e" is ignored here.
|
|
CHECK_MESSAGE(
|
|
expression.parse("2e5") == OK,
|
|
"The expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
Math::is_equal_approx(float(expression.execute()), 25),
|
|
"The expression should return the expected result.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("2e.5") == OK,
|
|
"The expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
Math::is_equal_approx(float(expression.execute()), 2),
|
|
"The expression should return the expected result.");
|
|
}
|
|
|
|
TEST_CASE("[Expression] Underscored numeric literals") {
|
|
Expression expression;
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("1_000_000") == OK,
|
|
"The expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
expression.parse("1_000.000") == OK,
|
|
"The expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
expression.parse("0xff_99_00") == OK,
|
|
"The expression should parse successfully.");
|
|
}
|
|
|
|
TEST_CASE("[Expression] Built-in functions") {
|
|
Expression expression;
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("sqrt(pow(3, 2) + pow(4, 2))") == OK,
|
|
"The expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
int(expression.execute()) == 5,
|
|
"`sqrt(pow(3, 2) + pow(4, 2))` should return the expected result.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("stepify(sin(0.5), 0.01)") == OK,
|
|
"The expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
Math::is_equal_approx(float(expression.execute()), 0.48),
|
|
"`stepify(sin(0.5), 0.01)` should return the expected result.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("pow(2.0, -2500)") == OK,
|
|
"The expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
Math::is_zero_approx(float(expression.execute())),
|
|
"`pow(2.0, -2500)` should return the expected result (asymptotically zero).");
|
|
}
|
|
|
|
TEST_CASE("[Expression] Boolean expressions") {
|
|
Expression expression;
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("24 >= 12") == OK,
|
|
"The boolean expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
bool(expression.execute()),
|
|
"The boolean expression should evaluate to `true`.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("1.0 < 1.25 && 1.25 < 2.0") == OK,
|
|
"The boolean expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
bool(expression.execute()),
|
|
"The boolean expression should evaluate to `true`.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("!2") == OK,
|
|
"The boolean expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
!bool(expression.execute()),
|
|
"The boolean expression should evaluate to `false`.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("!!2") == OK,
|
|
"The boolean expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
bool(expression.execute()),
|
|
"The boolean expression should evaluate to `true`.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("!0") == OK,
|
|
"The boolean expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
bool(expression.execute()),
|
|
"The boolean expression should evaluate to `true`.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("!!0") == OK,
|
|
"The boolean expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
!bool(expression.execute()),
|
|
"The boolean expression should evaluate to `false`.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("2 && 5") == OK,
|
|
"The boolean expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
bool(expression.execute()),
|
|
"The boolean expression should evaluate to `true`.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("0 || 0") == OK,
|
|
"The boolean expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
!bool(expression.execute()),
|
|
"The boolean expression should evaluate to `false`.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("(2 <= 4) && (2 > 5)") == OK,
|
|
"The boolean expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
!bool(expression.execute()),
|
|
"The boolean expression should evaluate to `false`.");
|
|
}
|
|
|
|
TEST_CASE("[Expression] Expressions with variables") {
|
|
Expression expression;
|
|
|
|
PackedStringArray parameter_names;
|
|
parameter_names.push_back("foo");
|
|
parameter_names.push_back("bar");
|
|
CHECK_MESSAGE(
|
|
expression.parse("foo + bar + 50", parameter_names) == OK,
|
|
"The expression should parse successfully.");
|
|
Array values;
|
|
values.push_back(60);
|
|
values.push_back(20);
|
|
CHECK_MESSAGE(
|
|
int(expression.execute(values)) == 130,
|
|
"The expression should return the expected value.");
|
|
|
|
PackedStringArray parameter_names_invalid;
|
|
parameter_names_invalid.push_back("foo");
|
|
parameter_names_invalid.push_back("baz"); // Invalid parameter name.
|
|
CHECK_MESSAGE(
|
|
expression.parse("foo + bar + 50", parameter_names_invalid) == OK,
|
|
"The expression should parse successfully.");
|
|
Array values_invalid;
|
|
values_invalid.push_back(60);
|
|
values_invalid.push_back(20);
|
|
// Invalid parameters will parse successfully but print an error message when executing.
|
|
ERR_PRINT_OFF;
|
|
CHECK_MESSAGE(
|
|
int(expression.execute(values_invalid)) == 0,
|
|
"The expression should return the expected value.");
|
|
ERR_PRINT_ON;
|
|
|
|
// Mismatched argument count (more values than parameters).
|
|
PackedStringArray parameter_names_mismatch;
|
|
parameter_names_mismatch.push_back("foo");
|
|
parameter_names_mismatch.push_back("bar");
|
|
CHECK_MESSAGE(
|
|
expression.parse("foo + bar + 50", parameter_names_mismatch) == OK,
|
|
"The expression should parse successfully.");
|
|
Array values_mismatch;
|
|
values_mismatch.push_back(60);
|
|
values_mismatch.push_back(20);
|
|
values_mismatch.push_back(110);
|
|
CHECK_MESSAGE(
|
|
int(expression.execute(values_mismatch)) == 130,
|
|
"The expression should return the expected value.");
|
|
|
|
// Mismatched argument count (more parameters than values).
|
|
PackedStringArray parameter_names_mismatch2;
|
|
parameter_names_mismatch2.push_back("foo");
|
|
parameter_names_mismatch2.push_back("bar");
|
|
parameter_names_mismatch2.push_back("baz");
|
|
CHECK_MESSAGE(
|
|
expression.parse("foo + bar + baz + 50", parameter_names_mismatch2) == OK,
|
|
"The expression should parse successfully.");
|
|
Array values_mismatch2;
|
|
values_mismatch2.push_back(60);
|
|
values_mismatch2.push_back(20);
|
|
// Having more parameters than values will parse successfully but print an
|
|
// error message when executing.
|
|
ERR_PRINT_OFF;
|
|
CHECK_MESSAGE(
|
|
int(expression.execute(values_mismatch2)) == 0,
|
|
"The expression should return the expected value.");
|
|
ERR_PRINT_ON;
|
|
}
|
|
|
|
TEST_CASE("[Expression] Invalid expressions") {
|
|
Expression expression;
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("\\") == ERR_INVALID_PARAMETER,
|
|
"The expression shouldn't parse successfully.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("0++") == ERR_INVALID_PARAMETER,
|
|
"The expression shouldn't parse successfully.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("()") == ERR_INVALID_PARAMETER,
|
|
"The expression shouldn't parse successfully.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("()()") == ERR_INVALID_PARAMETER,
|
|
"The expression shouldn't parse successfully.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("() - ()") == ERR_INVALID_PARAMETER,
|
|
"The expression shouldn't parse successfully.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("() * 12345") == ERR_INVALID_PARAMETER,
|
|
"The expression shouldn't parse successfully.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("() * 12345") == ERR_INVALID_PARAMETER,
|
|
"The expression shouldn't parse successfully.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("123'456") == ERR_INVALID_PARAMETER,
|
|
"The expression shouldn't parse successfully.");
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("123\"456") == ERR_INVALID_PARAMETER,
|
|
"The expression shouldn't parse successfully.");
|
|
}
|
|
|
|
TEST_CASE("[Expression] Unusual expressions") {
|
|
Expression expression;
|
|
|
|
// Redundant parentheses don't cause a parse error as long as they're matched.
|
|
CHECK_MESSAGE(
|
|
expression.parse("(((((((((((((((666)))))))))))))))") == OK,
|
|
"The expression should parse successfully.");
|
|
|
|
// Using invalid identifiers doesn't cause a parse error.
|
|
ERR_PRINT_OFF;
|
|
CHECK_MESSAGE(
|
|
expression.parse("hello + hello") == OK,
|
|
"The expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
int(expression.execute()) == 0,
|
|
"The expression should return the expected result.");
|
|
ERR_PRINT_ON;
|
|
|
|
ERR_PRINT_OFF;
|
|
CHECK_MESSAGE(
|
|
expression.parse("$1.00 + ???5") == OK,
|
|
"The expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
int(expression.execute()) == 0,
|
|
"The expression should return the expected result.");
|
|
ERR_PRINT_ON;
|
|
|
|
// Commas can't be used as a decimal parameter.
|
|
CHECK_MESSAGE(
|
|
expression.parse("123,456") == OK,
|
|
"The expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
int(expression.execute()) == 123,
|
|
"The expression should return the expected result.");
|
|
|
|
// Spaces can't be used as a separator for large numbers.
|
|
CHECK_MESSAGE(
|
|
expression.parse("123 456") == OK,
|
|
"The expression should parse successfully.");
|
|
CHECK_MESSAGE(
|
|
int(expression.execute()) == 123,
|
|
"The expression should return the expected result.");
|
|
|
|
// Division by zero is accepted, even though it prints an error message normally.
|
|
CHECK_MESSAGE(
|
|
expression.parse("-25.4 / 0") == OK,
|
|
"The expression should parse successfully.");
|
|
ERR_PRINT_OFF;
|
|
CHECK_MESSAGE(
|
|
Math::is_inf(float(expression.execute())),
|
|
"`-25.4 / 0` should return inf.");
|
|
ERR_PRINT_ON;
|
|
|
|
CHECK_MESSAGE(
|
|
expression.parse("0 / 0") == OK,
|
|
"The expression should parse successfully.");
|
|
ERR_PRINT_OFF;
|
|
CHECK_MESSAGE(
|
|
int(expression.execute()) == 0,
|
|
"`0 / 0` should return 0.");
|
|
ERR_PRINT_ON;
|
|
|
|
// The tests below currently crash the engine.
|
|
//
|
|
//CHECK_MESSAGE(
|
|
// expression.parse("(-9223372036854775807 - 1) % -1") == OK,
|
|
// "The expression should parse successfully.");
|
|
//CHECK_MESSAGE(
|
|
// int64_t(expression.execute()) == 0,
|
|
// "`(-9223372036854775807 - 1) % -1` should return the expected result.");
|
|
//
|
|
//CHECK_MESSAGE(
|
|
// expression.parse("(-9223372036854775807 - 1) / -1") == OK,
|
|
// "The expression should parse successfully.");
|
|
//CHECK_MESSAGE(
|
|
// int64_t(expression.execute()) == 0,
|
|
// "`(-9223372036854775807 - 1) / -1` should return the expected result.");
|
|
}
|
|
|
|
} // namespace TestExpression
|
|
|
|
#endif // TEST_EXPRESSION_H
|