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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
// .NAME Test of vtkStringToken.
// .SECTION Description
// Tests build-time tokenizing strings using the vtkStringToken class.
#include "vtkDebugLeaks.h"
#include "vtkStringToken.h"
#include <string>
#include <vector>
int TestStringToken(int, char*[])
{
using namespace vtk::literals; // for ""_token().
int result = 0;
vtkStringToken defaultToken; // default constructor should be Invalid token.
vtkStringToken eid("");
auto missing = "not present in manager because token constructed from hash, not string."_token;
vtkStringToken fooTheBar1("foo the bar");
auto fooTheBar2 = "foo the bar"_token;
std::cout << "default token is " << defaultToken.GetId() << "\n";
std::cout << "empty string is " << eid.GetId() << "\n";
std::cout << "missing is " << missing.GetId() << "\n";
std::cout << "foo the bar is " << fooTheBar1.GetId() << " == " << fooTheBar2.GetId() << "\n";
if (defaultToken.IsValid())
{
std::cerr << "ERROR: Default token constructor should be initialized to Invalid token\n";
}
std::vector<std::pair<std::string, vtkStringToken::Hash>> tests{ { { "", 2166136261u },
{ "a", 3826002220u }, { "b", 3876335077u }, { "cell", 1759288501u }, { "curve", 2570585620u },
{ "edge", 1459017788u }, { "face", 292255708u }, { "point", 414084241u },
{ "surface", 425316092u }, { "vertex", 2488493991u }, { "volume", 786459023u } } };
for (const auto& test : tests)
{
vtkStringToken xx(test.first);
std::cout << " " << xx.GetId() << " \"" << test.first << "\"\n";
if (test.second != xx.GetId())
{
std::cerr << " ERROR: Expected " << test.second << " got " << xx.GetId() << "\n";
result = 1;
}
}
// Group some tokens into a named set (emulating a dynamic enumeration).
// I. Verify that there are no enumeration-sets to begin with.
auto groups = vtkStringToken::AllGroups();
if (!groups.empty())
{
std::cerr << "ERROR: Expected an empty set of keys, found " << groups.size() << "\n";
result = 1;
}
// Test adding an enumeration-set.
vtkStringToken geomEnum("geometries");
std::cout << "Create an enumeration set for \"geometries\" (" << geomEnum.GetId() << ")\n";
bool added = true;
added &= geomEnum.AddChild("point"_hash);
added &= geomEnum.AddChild("curve"_hash);
added &= geomEnum.AddChild("surface"_hash);
added &= geomEnum.AddChild("volume"_hash);
if (!added)
{
std::cerr << "ERROR: Failed to add at least 1 child.\n";
result = 1;
}
groups = vtkStringToken::AllGroups();
if (groups.size() != 1)
{
std::cerr << "ERROR: Expected 1 key, found " << groups.size() << "\n";
result = 1;
}
std::cout << "Members of \"geometries\"\n";
auto members = geomEnum.Children();
for (const auto& member : members)
{
std::cout << " " << member.Data() << "\n";
}
if (members.size() != 4)
{
std::cerr << "ERROR: Expected 4 values, found " << members.size() << "\n";
result = 1;
}
// Test removal of a string from an enumeration-set.
std::cout << "Remove \"volume\" from \"geometries\".\nRemaining members:\n";
if (!geomEnum.RemoveChild("volume"_hash))
{
std::cerr << "ERROR: Expected to remove \"volume\".\n";
result = 1;
}
members = geomEnum.Children();
for (const auto& member : members)
{
std::cout << " " << member.Data() << "\n";
}
if (members.size() != 3)
{
std::cerr << "ERROR: Expected 3 values, found " << members.size() << "\n";
result = 1;
}
// Attempt to add an invalid member to a valid set.
if (geomEnum.AddChild("foo"_hash))
{
std::cerr << "ERROR: Expected failure when adding an invalid member-hash to a set.\n";
result = 1;
}
// Attempt to add a valid member to an invalid set-hash.
vtkStringToken invalid;
if (invalid.AddChild("point"_token))
{
std::cerr << "ERROR: Expected failure when adding a member-hash to an invalid set.\n";
result = 1;
}
std::cout << "Add one more group\n";
vtkStringToken car("car");
car.AddChild("body");
car.AddChild("wheels");
car.AddChild("windows");
car.AddChild("motor");
groups = vtkStringToken::AllGroups();
for (const auto& group : groups)
{
std::cout << " " << group.Data() << "\n";
}
if (groups.size() != 2)
{
std::cerr << "ERROR: Expected 2 groups, got " << groups.size() << ".\n";
result = 1;
}
return result;
}
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