package v1

import (
	"testing"

	"github.com/stretchr/testify/require"
)

func TestNormalizePageSize(t *testing.T) {
	t.Parallel()

	tests := []struct {
		name     string
		pageSize int32
		want     int
	}{
		{
			name:     "default for zero",
			pageSize: 0,
			want:     DefaultPageSize,
		},
		{
			name:     "default for negative",
			pageSize: -1,
			want:     DefaultPageSize,
		},
		{
			name:     "preserves valid size",
			pageSize: 42,
			want:     42,
		},
		{
			name:     "clamps oversized size",
			pageSize: int32(MaxPageSize + 1),
			want:     MaxPageSize,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()

			require.Equal(t, tt.want, normalizePageSize(tt.pageSize))
		})
	}
}