42 lines
759 B
Go
42 lines
759 B
Go
package operator
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import "testing"
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func TestAdd(t *testing.T) {
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got := Add(2, 3)
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if got != 5 {
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t.Fatalf("Add(2,3) = %d; want 5", got)
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}
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}
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func TestSub(t *testing.T) {
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got := Sub(5, 3)
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if got != 2 {
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t.Fatalf("Sub(5,3) = %d; want 2", got)
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}
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}
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func TestMul(t *testing.T) {
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got := Mul(4, 3)
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if got != 12 {
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t.Fatalf("Mul(4,3) = %d; want 12", got)
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}
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}
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func TestDiv(t *testing.T) {
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got, err := Div(7, 2)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if got != 3.5 {
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t.Fatalf("Div(7,2) = %v; want 3.5", got)
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}
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}
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func TestDivByZero(t *testing.T) {
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_, err := Div(1, 0)
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if err == nil {
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t.Fatalf("expected error when dividing by zero")
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}
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}
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