iterator_skip_array_test.go

package jzon

import (
	"io"
	"testing"

	"github.com/stretchr/testify/require"
)

func TestIterator_Skip_SkipArray(t *testing.T) {
	t.Run("eof", func(t *testing.T) {
		withIterator("", func(it *Iterator) {
			err := it.SkipArray()
			require.Equal(t, io.EOF, err)
		})
	})
	t.Run("invalid first byte", func(t *testing.T) {
		withIterator(" ]", func(it *Iterator) {
			err := it.SkipArray()
			require.IsType(t, UnexpectedByteError{}, err)
		})
	})
	t.Run("eof after bracket", func(t *testing.T) {
		withIterator(" [", func(it *Iterator) {
			err := it.SkipArray()
			require.Equal(t, io.EOF, err)
		})
	})
	t.Run("empty array", func(t *testing.T) {
		withIterator(" [ ] ", func(it *Iterator) {
			err := it.SkipArray()
			require.NoError(t, err)
			_, err = it.NextValueType()
			require.Equal(t, io.EOF, err)
		})
	})
	t.Run("invalid byte after bracket", func(t *testing.T) {
		withIterator(" [ ,", func(it *Iterator) {
			err := it.SkipArray()
			require.IsType(t, UnexpectedByteError{}, err)
		})
	})
	t.Run("eof after first element", func(t *testing.T) {
		withIterator(" [ 1 ", func(it *Iterator) {
			err := it.SkipArray()
			require.Equal(t, io.EOF, err)
		})
	})
	t.Run("one element", func(t *testing.T) {
		withIterator(" [ 1 ] ", func(it *Iterator) {
			err := it.SkipArray()
			require.NoError(t, err)
		})
	})
	t.Run("invalid byte after element", func(t *testing.T) {
		withIterator(" [ 1 [ ", func(it *Iterator) {
			err := it.SkipArray()
			require.IsType(t, UnexpectedByteError{}, err)
		})
	})
	t.Run("eof after dot", func(t *testing.T) {
		withIterator(" [ 1 , ", func(it *Iterator) {
			err := it.SkipArray()
			require.Equal(t, io.EOF, err)
		})
	})
	t.Run("two elements", func(t *testing.T) {
		withIterator(" [ 1 , null ] ", func(it *Iterator) {
			err := it.SkipArray()
			require.NoError(t, err)
		})
	})
	t.Run("nested error eof 1", func(t *testing.T) {
		withIterator(` [ [ `, func(it *Iterator) {
			err := it.SkipArray()
			require.Equal(t, io.EOF, err)
		})
	})
	t.Run("nested error 1", func(t *testing.T) {
		withIterator(` [ [ 1 a`, func(it *Iterator) {
			err := it.SkipArray()
			require.IsType(t, UnexpectedByteError{}, err)
		})
	})
	t.Run("nested error eof 2", func(t *testing.T) {
		withIterator(` [ [ 1 , `, func(it *Iterator) {
			err := it.SkipArray()
			require.Equal(t, io.EOF, err)
		})
	})
	t.Run("nested error token", func(t *testing.T) {
		withIterator(` [ [ 1 , +`, func(it *Iterator) {
			err := it.SkipArray()
			require.IsType(t, UnexpectedByteError{}, err)
		})
	})
	t.Run("nested 1", func(t *testing.T) {
		s := nestedArray1(100)
		withIterator(s, func(it *Iterator) {
			err := it.SkipArray()
			require.NoError(t, err)
			_, err = it.NextValueType()
			require.Equal(t, io.EOF, err)
		})
	})
	t.Run("nested 2", func(t *testing.T) {
		s := nestedArray2(100)
		withIterator(s, func(it *Iterator) {
			err := it.SkipArray()
			require.NoError(t, err)
			_, err = it.NextValueType()
			require.Equal(t, io.EOF, err)
		})
	})
	t.Run("nested with object", func(t *testing.T) {
		s := nestedArrayWithObject(100)
		withIterator(s, func(it *Iterator) {
			err := it.SkipArray()
			require.NoError(t, err)
			_, err = it.NextValueType()
			require.Equal(t, io.EOF, err)
		})
	})
}