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LeetCode/go/number-of-atoms_test.go

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package main
import "testing"
func _test_NumberOfAtoms(t *testing.T, input, expected string) {
result := countOfAtoms(input)
if result != expected {
t.Errorf("Expected %s for %s, but got: %s!", expected, input, result)
}
}
func Test_NumberOfAtoms_Easy(t *testing.T) {
_test_NumberOfAtoms(t, "H2", "H2")
_test_NumberOfAtoms(t, "O2", "O2")
_test_NumberOfAtoms(t, "HO", "HO")
_test_NumberOfAtoms(t, "H2O", "H2O")
_test_NumberOfAtoms(t, "H2SO4", "H2O4S")
}
func Test_NumberOfAtoms_Medium(t *testing.T) {
_test_NumberOfAtoms(t, "Mg(OH)2", "H2MgO2")
_test_NumberOfAtoms(t, "C6H5OH", "C6H6O")
_test_NumberOfAtoms(t, "C6H5CH3", "C7H8")
}
func Test_NumberOfAtoms_Hard(t *testing.T) {
_test_NumberOfAtoms(t, "K4(ON(SO3)2)2", "K4N2O14S4")
}