package flyto

import "testing"

// TestFloat_RoundTrip 锁 Float helper 的语义: 返回的指针 deref 等于输入,
// 且不同调用之间互不影响 (各自独立的 backing storage).
//
// TestFloat_RoundTrip locks the Float helper semantics: the returned
// pointer dereferences to the input value, and successive calls produce
// independent backing storage.
func TestFloat_RoundTrip(t *testing.T) {
	cases := []float64{0, 0.7, 1.0, 1.5, 2.0}
	for _, v := range cases {
		p := Float(v)
		if p == nil {
			t.Errorf("Float(%v) returned nil", v)
			continue
		}
		if *p != v {
			t.Errorf("*Float(%v) = %v, want %v", v, *p, v)
		}
	}

	// 不同调用独立 backing storage; mutate 一个不影响另一个.
	p1 := Float(0.5)
	p2 := Float(0.5)
	*p1 = 1.0
	if *p2 != 0.5 {
		t.Errorf("Float() shares backing storage: p2=%v after mutating p1", *p2)
	}
}

// TestRequest_TemperatureTopP_Nil 锁 Request 默认状态: 未设 Temperature/TopP
// 时字段为 nil (passthrough policy 的默认行为, wire 层 omitempty 不传).
//
// TestRequest_TemperatureTopP_Nil locks the default state: an unset
// Temperature/TopP is nil, which the wire layer omits via omitempty.
func TestRequest_TemperatureTopP_Nil(t *testing.T) {
	req := &Request{Model: "x"}
	if req.Temperature != nil {
		t.Errorf("default Request.Temperature = %v, want nil", *req.Temperature)
	}
	if req.TopP != nil {
		t.Errorf("default Request.TopP = %v, want nil", *req.TopP)
	}
}