expvarmon/stack_test.go

68 lines
1.5 KiB
Go

package main
import "testing"
func TestPushWithFloatAndIntValue(t *testing.T) {
s := NewStack()
s.Push(VarValue(int64(0.0))) // from service.go:guessValue
s.Push(VarValue(5.0))
s.Push(VarValue(float64(15.0)))
if _, ok := s.Max.(float64); !ok {
t.Fatalf("Expected Max to be float64, but it's not")
}
s.Push(VarValue(int64(25.0)))
if _, ok := s.Max.(int64); !ok {
t.Fatalf("Expected Max to be int64, but it's not")
}
}
func TestStack(t *testing.T) {
size := 10
s := NewStackWithSize(size)
for i := 0; i < size+5; i++ {
s.Push(i)
l := len(s.Values)
if l < size {
if l != i+1 {
t.Fatalf("len is incorrect. expecting %d, got %d", i, l)
}
} else {
if l != size {
t.Fatalf("len is incorrect. expecting %d, got %d", size, l)
}
}
}
if s.Front().(int) != 14 {
t.Fatalf("Front returns wrong value: expecting %d, got %d", 14, s.Front())
}
s1 := NewStackWithSize(3)
s1.Push(true)
s1.Push(false)
s1.Push(true)
ints1 := s1.IntValues()
if len(ints1) != 3 {
t.Fatalf("expecting len of to be %d, but got %d", 3, len(ints1))
}
if ints1[0] != 1 || ints1[1] != 0 || ints1[2] != 1 {
t.Fatalf("bool values converted to int incorrectly: %v", ints1)
}
s2 := NewStackWithSize(3)
s2.Push(0.1)
s2.Push(0.5)
s2.Push(0.03)
ints2 := s2.IntValues()
if len(ints2) != 3 {
t.Fatalf("expecting len to be %d, but got %d", 3, len(ints2))
}
if ints2[0] != 10 || ints2[1] != 50 || ints2[2] != 3 {
t.Fatalf("float values converted to int incorrectly: %v", ints2)
}
}