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/*
Please use git log for copyright holder and year information
This file is part of libbash.
libbash is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
libbash is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with libbash. If not, see <http://www.gnu.org/licenses/>.
*/
///
/// \file symbols_test.cpp
/// \author Mu Qiao
/// \brief series of unit tests for symbols and symbol table.
///
#include <gtest/gtest.h>
#include "core/symbols.hpp"
using namespace std;
TEST(symbol_test, int_variable)
{
// readonly integer
variable ro_integer("integer", 10, true);
EXPECT_STREQ("integer", ro_integer.get_name().c_str());
EXPECT_EQ(10, ro_integer.get_value<int>());
EXPECT_THROW(ro_integer.set_value(100), interpreter_exception);
EXPECT_EQ(10, ro_integer.get_value<int>());
// normal only integer
variable normal_integer("integer", 10);
normal_integer.set_value(100);
EXPECT_EQ(100, normal_integer.get_value<int>());
// get string value of an integer
EXPECT_STREQ("100", normal_integer.get_value<string>().c_str());
}
TEST(symbol_test, string_variable)
{
// readonly string
variable ro_string("string", "hello", true);
EXPECT_STREQ("string", ro_string.get_name().c_str());
EXPECT_STREQ("hello", ro_string.get_value<string>().c_str());
EXPECT_THROW(ro_string.set_value("hello world"), interpreter_exception);
EXPECT_STREQ("hello", ro_string.get_value<string>().c_str());
// normal string
variable normal_string("string", "hello");
normal_string.set_value("hello world");
EXPECT_STREQ("hello world", normal_string.get_value<string>().c_str());
// string contains integer value
variable int_string("string", "123");
EXPECT_EQ(123, int_string.get_value<int>());
int_string.set_value("abc");
EXPECT_EQ(0, int_string.get_value<int>());
}
TEST(symbol_test, array_variable)
{
map<int, string> values = {{0, "1"}, {1, "2"}, {2, "3"}};
// readonly array
variable ro_array("foo", values, true);
EXPECT_STREQ("foo", ro_array.get_name().c_str());
EXPECT_STREQ("1", ro_array.get_value<string>(0).c_str());
EXPECT_STREQ("2", ro_array.get_value<string>(1).c_str());
EXPECT_STREQ("3", ro_array.get_value<string>(2).c_str());
EXPECT_THROW(ro_array.set_value("4", 0), interpreter_exception);
EXPECT_STREQ("1", ro_array.get_value<string>(0).c_str());
// out of bound
EXPECT_STREQ("", ro_array.get_value<string>(100).c_str());
// normal array
variable normal_array("foo", values);
normal_array.set_value("5", 4);
EXPECT_STREQ("1", normal_array.get_value<string>(0).c_str());
EXPECT_STREQ("2", normal_array.get_value<string>(1).c_str());
EXPECT_STREQ("3", normal_array.get_value<string>(2).c_str());
EXPECT_STREQ("", normal_array.get_value<string>(3).c_str());
EXPECT_STREQ("5", normal_array.get_value<string>(4).c_str());
// get integer value
EXPECT_EQ(3, normal_array.get_value<int>(2));
}
TEST(symbol_test, get_all_values)
{
map<int, string> values = {{0, "1"}, {1, "2"}, {2, "3"}};
variable array("foo", values);
vector<string> string_values;
array.get_all_values(string_values);
EXPECT_EQ(3, string_values.size());
EXPECT_STREQ("1", string_values[0].c_str());
EXPECT_STREQ("2", string_values[1].c_str());
EXPECT_STREQ("3", string_values[2].c_str());
variable a_string("foo", 10);
// Won't clear the original vector
a_string.get_all_values(string_values);
EXPECT_EQ(4, string_values.size());
EXPECT_STREQ("1", string_values[0].c_str());
variable an_int("foo", 10);
vector<int> int_values;
an_int.get_all_values(int_values);
EXPECT_EQ(1, int_values.size());
EXPECT_EQ(10, int_values[0]);
}
TEST(symbol_test, is_null)
{
variable var("foo", 10);
EXPECT_FALSE(var.is_null());
var.set_value("");
EXPECT_TRUE(var.is_null());
EXPECT_TRUE(variable("foo", "").is_null());
}
TEST(symbol_test, is_unset)
{
map<int, string> values = {{0, "1"}, {1, "2"}, {2, "3"}};
variable array("foo", values);
array.unset_value(1);
EXPECT_TRUE(array.is_unset(1));
}
TEST(symbol_test, get_length)
{
variable an_int("foo", 10);
EXPECT_EQ(2, an_int.get_length());
variable an_string("bar", "hello world");
EXPECT_EQ(11, an_string.get_length());
map<int, string> values = {{0, "1"}, {1, "2"}, {2, "hello"}};
variable array("array", values);
EXPECT_EQ(5, array.get_length(2));
EXPECT_EQ(3, array.get_array_length());
}
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