php-parser/node/stmt/t_unset_test.go

package stmt_test

import (
	"testing"

	"gotest.tools/assert"

	"github.com/z7zmey/php-parser/node"
	"github.com/z7zmey/php-parser/node/expr"
	"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 TestUnset(t *testing.T) {
	src := `<? unset($a);`

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  3,
			EndPos:    13,
		},
		Stmts: []node.Node{
			&stmt.Unset{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  3,
					EndPos:    13,
				},
				Vars: []node.Node{
					&expr.Variable{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  9,
							EndPos:    11,
						},
						VarName: &node.Identifier{
							Position: &position.Position{
								StartLine: 1,
								EndLine:   1,
								StartPos:  9,
								EndPos:    11,
							},
							Value: "a",
						},
					},
				},
			},
		},
	}

	php7parser := php7.NewParser([]byte(src), "7.4")
	php7parser.Parse()
	actual := php7parser.GetRootNode()
	assert.DeepEqual(t, expected, actual)

	php5parser := php5.NewParser([]byte(src), "5.6")
	php5parser.Parse()
	actual = php5parser.GetRootNode()
	assert.DeepEqual(t, expected, actual)
}

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

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  3,
			EndPos:    17,
		},
		Stmts: []node.Node{
			&stmt.Unset{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  3,
					EndPos:    17,
				},
				Vars: []node.Node{
					&expr.Variable{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  9,
							EndPos:    11,
						},
						VarName: &node.Identifier{
							Position: &position.Position{
								StartLine: 1,
								EndLine:   1,
								StartPos:  9,
								EndPos:    11,
							},
							Value: "a",
						},
					},
					&expr.Variable{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  13,
							EndPos:    15,
						},
						VarName: &node.Identifier{
							Position: &position.Position{
								StartLine: 1,
								EndLine:   1,
								StartPos:  13,
								EndPos:    15,
							},
							Value: "b",
						},
					},
				},
			},
		},
	}

	php7parser := php7.NewParser([]byte(src), "7.4")
	php7parser.Parse()
	actual := php7parser.GetRootNode()
	assert.DeepEqual(t, expected, actual)

	php5parser := php5.NewParser([]byte(src), "5.6")
	php5parser.Parse()
	actual = php5parser.GetRootNode()
	assert.DeepEqual(t, expected, actual)
}

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

	expected := &node.Root{
		Position: &position.Position{
			StartLine: 1,
			EndLine:   1,
			StartPos:  3,
			EndPos:    18,
		},
		Stmts: []node.Node{
			&stmt.Unset{
				Position: &position.Position{
					StartLine: 1,
					EndLine:   1,
					StartPos:  3,
					EndPos:    18,
				},
				Vars: []node.Node{
					&expr.Variable{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  9,
							EndPos:    11,
						},
						VarName: &node.Identifier{
							Position: &position.Position{
								StartLine: 1,
								EndLine:   1,
								StartPos:  9,
								EndPos:    11,
							},
							Value: "a",
						},
					},
					&expr.Variable{
						Position: &position.Position{
							StartLine: 1,
							EndLine:   1,
							StartPos:  13,
							EndPos:    15,
						},
						VarName: &node.Identifier{
							Position: &position.Position{
								StartLine: 1,
								EndLine:   1,
								StartPos:  13,
								EndPos:    15,
							},
							Value: "b",
						},
					},
				},
			},
		},
	}

	php7parser := php7.NewParser([]byte(src), "7.4")
	php7parser.Parse()
	actual := php7parser.GetRootNode()
	assert.DeepEqual(t, expected, actual)
}