Function TestWriteFileHandleWriteAt

vfs/write_test.go:194–236

(t *testing.T)

}

func TestWriteFileHandleWriteAt(t *testing.T) {
	r, vfs, fh := writeHandleCreate(t)

	// Preconditions
	assert.Equal(t, int64(0), fh.offset)
	assert.False(t, fh.writeCalled)

	// Write the data
	n, err := fh.WriteAt([]byte("hello"), 0)
	assert.NoError(t, err)
	assert.Equal(t, 5, n)

	// After write
	assert.Equal(t, int64(5), fh.offset)
	assert.True(t, fh.writeCalled)

	// Check can't seek
	n, err = fh.WriteAt([]byte("hello"), 100)
	assert.Equal(t, ESPIPE, err)
	assert.Equal(t, 0, n)

	// Write more data
	n, err = fh.WriteAt([]byte(" world"), 5)
	assert.NoError(t, err)
	assert.Equal(t, 6, n)

	// Close
	assert.NoError(t, fh.Close())

	// Check can't write on closed handle
	n, err = fh.WriteAt([]byte("hello"), 0)
	assert.Equal(t, ECLOSED, err)
	assert.Equal(t, 0, n)

	// check vfs
	root, err := vfs.Root()
	require.NoError(t, err)
	checkListing(t, root, []string{"file1,11,false"})

	// check the underlying r.Fremote but not the modtime
	file1 := fstest.NewItem("file1", "hello world", t1)
	fstest.CheckListingWithPrecision(t, r.Fremote, []fstest.Item{file1}, []string{}, fs.ModTimeNotSupported)
}

func TestWriteFileHandleFlush(t *testing.T) {
	_, vfs, fh := writeHandleCreate(t)