C++ (Cpp) ValuePtr::vBool Examples

Example #1

File: Library.cpp Project: MrPhil/ShortHike

void
TestLibrary::booleans()
{
  EnvPtr env = libraryEnvironment();
  ValuePtr result = eval(env, "(not #t)");
  CHECK("Result is false", result->isBool() && !result->vBool());  
  result = eval(env, "(not (list 'a 'b 'c))");
  CHECK("Result is false", result->isBool() && !result->vBool());  
  result = eval(env, "(not #f)");
  CHECK("Result is true", result->isBool() && result->vBool());
}

Example #2

File: Library.cpp Project: MrPhil/ShortHike

bool
sEqP(ValuePtr lhs, ValuePtr rhs)
{
  if(lhs->type() != rhs->type()) return false;
  if(lhs->isBool() && lhs->vBool() == rhs->vBool()) return true;
  else if(lhs->isNumber() && lhs->isExact() && rhs->isExact() && lhs->vInt() == rhs->vInt()) return true;
  else if(lhs->isNumber() && !lhs->isExact() && !rhs->isExact() && lhs->vFloat() == rhs->vFloat()) return true;
  else if(lhs->isString() && string(lhs->vString()) == string(rhs->vString())) return true;
  else if(lhs->isSymbol() && string(lhs->vString()) == string(rhs->vString())) return true;
  else if(lhs->isPair() && (lhs == rhs || (lhs->isNull() && rhs->isNull()))) return true;
  else if(lhs->isProcedure() && (lhs.mValue == rhs.mValue)) return true;
  else if(lhs->type() == Value::UNDEFINED) return false;
  return false;
}

Example #3

File: Eval.cpp Project: MrPhil/ShortHike

void
TestEval::eval_apply()
{
  EnvPtr env = libraryEnvironment();
  ValuePtr result = eval(env, "(list? '(foo bar baz))");
  CHECK("Result is boolean", result->isBool() && result->vBool());
}

Example #4

File: Eval.cpp Project: MrPhil/ShortHike

void
TestEval::eval_conditionals()
{
  EnvPtr env = libraryEnvironment();
  ValuePtr result = eval(env, "(if #t 'yes 'no)");
  CHECK("Symbol type", result->isSymbol());
  CHECK_EQUAL("Symbol result", string, "yes", result->vString());  
  
  result = eval(env, "(and '(foo) (= 10 10) 1)");
  CHECK("Result is true", result->isBool() && result->vBool());
  result = eval(env, "(and '(foo) (= 10 20) 1)");
  CHECK("Result is false", result->isBool() && !result->vBool());

  result = eval(env, "(or (= 10 20) 10 1)");
  CHECK("Result is true", result->isBool() && result->vBool());
  result = eval(env, "(or #f (= 10 20) (< 10 5))");
  CHECK("Result is false", result->isBool() && !result->vBool());
}

Example #5

File: Eval.cpp Project: MrPhil/ShortHike

void
TestEval::eval_simple()
{
  EnvPtr env = new Environment();
  env->parent = NULL;
  ValuePtr value;

  // bool false
  value = eval(env, "#f");
  CHECK("Boolean false", value->isBool() && !value->vBool());

  // integer
  value = eval(env, "#t");
  CHECK("Boolean true", value->isBool() && value->vBool());

  // integer
  value = eval(env, "123");
  CHECK("Integer type", value->isNumber() && value->isExact());
  CHECK_EQUAL("Integer content", int, 123, value->vInt());

  // double
  value = eval(env, "123.456");
  CHECK("Float type", value->isNumber() && !value->isExact());
  CHECK_EQUAL("Float content", float, 123.456, value->vFloat());

  // string
  value = eval(env, "\"foobar\"");
  CHECK("String type", value->isString());
  CHECK_EQUAL("string content", string, "foobar", value->vString());

  // Symbol
  ValuePtr intValue = new NumberValue(10);
  env->values["foo_symbol!"] = intValue;
  value = eval(env, "foo_symbol!");
  CHECK("Symbol lookup", intValue == value);

  // Quote
  value = eval(env, "'(foo)");
  CHECK("Pair type", value->isPair());
  CHECK("Empty list type", value->cdr()->isNull());
  CHECK("Symbol type", value->car()->isSymbol());
  CHECK_EQUAL("Symbol value", string, "foo", value->car()->vString());  
}

Example #6

File: Library.cpp Project: MrPhil/ShortHike

void
TestLibrary::numerical_operations()
{
  EnvPtr env = libraryEnvironment();
  ValuePtr result;
  // +
  result = eval(env, "(+ 1 2 3 4 5)");
  CHECK("Result is integer", result->isNumber() && result->isExact());
  CHECK_EQUAL("Value is correct", int, 15, result->vInt());

  // =
  result = eval(env, "(= 123 123 123)");
  CHECK("Result is true", result->isBool() && result->vBool());
  result = eval(env, "(= 12.3 12.3 12.3)");
  CHECK("Result is true", result->isBool() && result->vBool());
  result = eval(env, "(= 123 456 123)");
  CHECK("Result is false", result->isBool() && !result->vBool());  

  // <
  result = eval(env, "(< 1 2 3 4 5)");
  CHECK("Result is true", result->isBool() && result->vBool());
  result = eval(env, "(< 1.0 2.0 3.0 4.0 5.0)");
  CHECK("Result is true", result->isBool() && result->vBool());  
  result = eval(env, "(< 6 5 4 3 2)");
  CHECK("Result is false", result->isBool() && !result->vBool());  
  result = eval(env, "(< 10 10 10)");
  CHECK("Result is false", result->isBool() && !result->vBool());  

  // >
  result = eval(env, "(> 6 5 4 3 2)");
  CHECK("Result is true", result->isBool() && result->vBool());
  result = eval(env, "(> 5.0 4.0 3.0 2.0 1.0)");
  CHECK("Result is true", result->isBool() && result->vBool());  
  result = eval(env, "(> 1 2 3 4 5)");
  CHECK("Result is false", result->isBool() && !result->vBool());  
  result = eval(env, "(> 10 10 10)");
  CHECK("Result is false", result->isBool() && !result->vBool());  

  // <=
  result = eval(env, "(<= 1 2 4 4 5)");
  CHECK("Result is true", result->isBool() && result->vBool());
  result = eval(env, "(<= 1.0 2.0 4.0 4.0 5.0)");
  CHECK("Result is true", result->isBool() && result->vBool());  
  result = eval(env, "(<= 6 5 4 3 2)");
  CHECK("Result is false", result->isBool() && !result->vBool());  

  // >=
  result = eval(env, "(>= 6 5 4 4 2)");
  CHECK("Result is true", result->isBool() && result->vBool());
  result = eval(env, "(>= 5.0 4.0 4.0 2.0 1.0)");
  CHECK("Result is true", result->isBool() && result->vBool());  
  result = eval(env, "(>= 1 2 3 4 5)");
  CHECK("Result is false", result->isBool() && !result->vBool());  

  // number->string
  result = eval(env, "(number->string 10)");
  CHECK("Result is string", result->isString());
  CHECK_EQUAL("Correct value", string, "10", result->vString());
}