php-parser/node/expr/cast/t_cast_test.go

package cast_test

import (
	"bytes"
	"reflect"
	"testing"

	"github.com/kylelemons/godebug/pretty"

	"github.com/z7zmey/php-parser/node"
	"github.com/z7zmey/php-parser/node/expr"
	"github.com/z7zmey/php-parser/node/expr/cast"
	"github.com/z7zmey/php-parser/node/stmt"
	"github.com/z7zmey/php-parser/php5"
	"github.com/z7zmey/php-parser/php7"
	"github.com/z7zmey/php-parser/position"
)

func assertEqual(t *testing.T, expected interface{}, actual interface{}) {
	if !reflect.DeepEqual(expected, actual) {
		diff := pretty.Compare(expected, actual)

		if diff != "" {
			t.Errorf("diff: (-expected +actual)\n%s", diff)
		} else {
			t.Errorf("expected and actual are not equal\n")
		}
	}
}

func TestArray(t *testing.T) {
	src := `<? (array)$a;`

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  4,
			EndPos:    13,
		},
		Stmts: []node.Node{
			&stmt.Expression{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  4,
					EndPos:    13,
				},
				Expr: &cast.Array{
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  4,
						EndPos:    12,
					},
					Expr: &expr.Variable{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  11,
							EndPos:    12,
						},
						VarName: &node.Identifier{
							Position: &position.Position{
								StartLine: 1,
								EndLine:   1,
								StartPos:  11,
								EndPos:    12,
							},
							Value: "a",
						},
					},
				},
			},
		},
	}

	php7parser := php7.NewParser(bytes.NewBufferString(src), "test.php")
	php7parser.Parse()
	actual := php7parser.GetRootNode()
	assertEqual(t, expected, actual)

	php5parser := php5.NewParser(bytes.NewBufferString(src), "test.php")
	php5parser.Parse()
	actual = php5parser.GetRootNode()
	assertEqual(t, expected, actual)
}

func TestBool(t *testing.T) {
	src := `<? (boolean)$a;`

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  4,
			EndPos:    15,
		},
		Stmts: []node.Node{
			&stmt.Expression{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  4,
					EndPos:    15,
				},
				Expr: &cast.Bool{
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  4,
						EndPos:    14,
					},
					Expr: &expr.Variable{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  13,
							EndPos:    14,
						},
						VarName: &node.Identifier{
							Position: &position.Position{
								StartLine: 1,
								EndLine:   1,
								StartPos:  13,
								EndPos:    14,
							},
							Value: "a",
						},
					},
				},
			},
		},
	}

	php7parser := php7.NewParser(bytes.NewBufferString(src), "test.php")
	php7parser.Parse()
	actual := php7parser.GetRootNode()
	assertEqual(t, expected, actual)

	php5parser := php5.NewParser(bytes.NewBufferString(src), "test.php")
	php5parser.Parse()
	actual = php5parser.GetRootNode()
	assertEqual(t, expected, actual)
}

func TestBoolShort(t *testing.T) {
	src := `<? (bool)$a;`

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  4,
			EndPos:    12,
		},
		Stmts: []node.Node{
			&stmt.Expression{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  4,
					EndPos:    12,
				},
				Expr: &cast.Bool{
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  4,
						EndPos:    11,
					},
					Expr: &expr.Variable{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  10,
							EndPos:    11,
						},
						VarName: &node.Identifier{
							Position: &position.Position{
								StartLine: 1,
								EndLine:   1,
								StartPos:  10,
								EndPos:    11,
							},
							Value: "a",
						},
					},
				},
			},
		},
	}

	php7parser := php7.NewParser(bytes.NewBufferString(src), "test.php")
	php7parser.Parse()
	actual := php7parser.GetRootNode()
	assertEqual(t, expected, actual)

	php5parser := php5.NewParser(bytes.NewBufferString(src), "test.php")
	php5parser.Parse()
	actual = php5parser.GetRootNode()
	assertEqual(t, expected, actual)
}

func TestDouble(t *testing.T) {
	src := `<? (double)$a;`

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  4,
			EndPos:    14,
		},
		Stmts: []node.Node{
			&stmt.Expression{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  4,
					EndPos:    14,
				},
				Expr: &cast.Double{
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  4,
						EndPos:    13,
					},
					Expr: &expr.Variable{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  12,
							EndPos:    13,
						},
						VarName: &node.Identifier{
							Position: &position.Position{
								StartLine: 1,
								EndLine:   1,
								StartPos:  12,
								EndPos:    13,
							},
							Value: "a",
						},
					},
				},
			},
		},
	}

	php7parser := php7.NewParser(bytes.NewBufferString(src), "test.php")
	php7parser.Parse()
	actual := php7parser.GetRootNode()
	assertEqual(t, expected, actual)

	php5parser := php5.NewParser(bytes.NewBufferString(src), "test.php")
	php5parser.Parse()
	actual = php5parser.GetRootNode()
	assertEqual(t, expected, actual)
}

func TestCastFloat(t *testing.T) {
	src := `<? (float)$a;`

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  4,
			EndPos:    13,
		},
		Stmts: []node.Node{
			&stmt.Expression{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  4,
					EndPos:    13,
				},
				Expr: &cast.Double{
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  4,
						EndPos:    12,
					},
					Expr: &expr.Variable{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  11,
							EndPos:    12,
						},
						VarName: &node.Identifier{
							Position: &position.Position{
								StartLine: 1,
								EndLine:   1,
								StartPos:  11,
								EndPos:    12,
							},
							Value: "a",
						},
					},
				},
			},
		},
	}

	php7parser := php7.NewParser(bytes.NewBufferString(src), "test.php")
	php7parser.Parse()
	actual := php7parser.GetRootNode()
	assertEqual(t, expected, actual)

	php5parser := php5.NewParser(bytes.NewBufferString(src), "test.php")
	php5parser.Parse()
	actual = php5parser.GetRootNode()
	assertEqual(t, expected, actual)
}

func TestInt(t *testing.T) {
	src := `<? (integer)$a;`

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  4,
			EndPos:    15,
		},
		Stmts: []node.Node{
			&stmt.Expression{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  4,
					EndPos:    15,
				},
				Expr: &cast.Int{
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  4,
						EndPos:    14,
					},
					Expr: &expr.Variable{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  13,
							EndPos:    14,
						},
						VarName: &node.Identifier{
							Position: &position.Position{
								StartLine: 1,
								EndLine:   1,
								StartPos:  13,
								EndPos:    14,
							},
							Value: "a",
						},
					},
				},
			},
		},
	}

	php7parser := php7.NewParser(bytes.NewBufferString(src), "test.php")
	php7parser.Parse()
	actual := php7parser.GetRootNode()
	assertEqual(t, expected, actual)

	php5parser := php5.NewParser(bytes.NewBufferString(src), "test.php")
	php5parser.Parse()
	actual = php5parser.GetRootNode()
	assertEqual(t, expected, actual)
}

func TestIntShort(t *testing.T) {
	src := `<? (int)$a;`

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  4,
			EndPos:    11,
		},
		Stmts: []node.Node{
			&stmt.Expression{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  4,
					EndPos:    11,
				},
				Expr: &cast.Int{
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  4,
						EndPos:    10,
					},
					Expr: &expr.Variable{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  9,
							EndPos:    10,
						},
						VarName: &node.Identifier{
							Position: &position.Position{
								StartLine: 1,
								EndLine:   1,
								StartPos:  9,
								EndPos:    10,
							},
							Value: "a",
						},
					},
				},
			},
		},
	}

	php7parser := php7.NewParser(bytes.NewBufferString(src), "test.php")
	php7parser.Parse()
	actual := php7parser.GetRootNode()
	assertEqual(t, expected, actual)

	php5parser := php5.NewParser(bytes.NewBufferString(src), "test.php")
	php5parser.Parse()
	actual = php5parser.GetRootNode()
	assertEqual(t, expected, actual)
}

func TestObject(t *testing.T) {
	src := `<? (object)$a;`

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  4,
			EndPos:    14,
		},
		Stmts: []node.Node{
			&stmt.Expression{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  4,
					EndPos:    14,
				},
				Expr: &cast.Object{
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  4,
						EndPos:    13,
					},
					Expr: &expr.Variable{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  12,
							EndPos:    13,
						},
						VarName: &node.Identifier{
							Position: &position.Position{
								StartLine: 1,
								EndLine:   1,
								StartPos:  12,
								EndPos:    13,
							},
							Value: "a",
						},
					},
				},
			},
		},
	}

	php7parser := php7.NewParser(bytes.NewBufferString(src), "test.php")
	php7parser.Parse()
	actual := php7parser.GetRootNode()
	assertEqual(t, expected, actual)

	php5parser := php5.NewParser(bytes.NewBufferString(src), "test.php")
	php5parser.Parse()
	actual = php5parser.GetRootNode()
	assertEqual(t, expected, actual)
}

func TestString(t *testing.T) {
	src := `<? (string)$a;`

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  4,
			EndPos:    14,
		},
		Stmts: []node.Node{
			&stmt.Expression{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  4,
					EndPos:    14,
				},
				Expr: &cast.String{
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  4,
						EndPos:    13,
					},
					Expr: &expr.Variable{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  12,
							EndPos:    13,
						},
						VarName: &node.Identifier{
							Position: &position.Position{
								StartLine: 1,
								EndLine:   1,
								StartPos:  12,
								EndPos:    13,
							},
							Value: "a",
						},
					},
				},
			},
		},
	}

	php7parser := php7.NewParser(bytes.NewBufferString(src), "test.php")
	php7parser.Parse()
	actual := php7parser.GetRootNode()
	assertEqual(t, expected, actual)

	php5parser := php5.NewParser(bytes.NewBufferString(src), "test.php")
	php5parser.Parse()
	actual = php5parser.GetRootNode()
	assertEqual(t, expected, actual)
}

func TestBinaryString(t *testing.T) {
	src := `<? (binary)$a;`

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  4,
			EndPos:    14,
		},
		Stmts: []node.Node{
			&stmt.Expression{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  4,
					EndPos:    14,
				},
				Expr: &cast.String{
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  4,
						EndPos:    13,
					},
					Expr: &expr.Variable{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  12,
							EndPos:    13,
						},
						VarName: &node.Identifier{
							Position: &position.Position{
								StartLine: 1,
								EndLine:   1,
								StartPos:  12,
								EndPos:    13,
							},
							Value: "a",
						},
					},
				},
			},
		},
	}

	php7parser := php7.NewParser(bytes.NewBufferString(src), "test.php")
	php7parser.Parse()
	actual := php7parser.GetRootNode()
	assertEqual(t, expected, actual)

	php5parser := php5.NewParser(bytes.NewBufferString(src), "test.php")
	php5parser.Parse()
	actual = php5parser.GetRootNode()
	assertEqual(t, expected, actual)
}

func TestUnset(t *testing.T) {
	src := `<? (unset)$a;`

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  4,
			EndPos:    13,
		},
		Stmts: []node.Node{
			&stmt.Expression{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  4,
					EndPos:    13,
				},
				Expr: &cast.Unset{
					Position: &position.Position{
						StartLine: 1,
						EndLine:   1,
						StartPos:  4,
						EndPos:    12,
					},
					Expr: &expr.Variable{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  11,
							EndPos:    12,
						},
						VarName: &node.Identifier{
							Position: &position.Position{
								StartLine: 1,
								EndLine:   1,
								StartPos:  11,
								EndPos:    12,
							},
							Value: "a",
						},
					},
				},
			},
		},
	}

	php7parser := php7.NewParser(bytes.NewBufferString(src), "test.php")
	php7parser.Parse()
	actual := php7parser.GetRootNode()
	assertEqual(t, expected, actual)

	php5parser := php5.NewParser(bytes.NewBufferString(src), "test.php")
	php5parser.Parse()
	actual = php5parser.GetRootNode()
	assertEqual(t, expected, actual)
}