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package dstream
import "testing"
func TestMutate1(t *testing.T) {
x1 := []interface{}{
[]float64{0, 0, 0},
[]float64{1, 1, 1},
[]float64{2, 2, 3},
}
x2 := []interface{}{
[]string{"a", "b", "c"},
[]string{"d", "e", "f"},
[]string{"g", "h", "i"},
}
x3 := []interface{}{
[]float64{1, 2, 3},
[]float64{4, 5, 6},
[]float64{7, 8, 9},
}
dat := [][]interface{}{x1, x2, x3}
na := []string{"x1", "x2", "x3"}
da := NewFromArrays(dat, na)
x3t := []interface{}{
[]float64{3, 5, 7},
[]float64{9, 11, 13},
[]float64{15, 17, 19},
}
dat = [][]interface{}{x1, x2, x3t}
na = []string{"x1", "x2", "x3"}
de := NewFromArrays(dat, na)
f := func(x interface{}) {
z := x.([]float64)
for i, y := range z {
z[i] = 2*y + 1
}
}
dm := Mutate(da, "x3", f)
if !EqualReport(dm, de, true) {
t.Fail()
}
}
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