wip: battle

internal/model/game/battle_test.go

@@ -1,6 +1,7 @@
 package game_test
 
 import (
+	"slices"
 	"testing"
 
 	"github.com/iliadenisov/galaxy/internal/model/game"
@@ -161,3 +162,20 @@ func TestFilterBattleOpponents(t *testing.T) {
 	assert.True(t, game.FilterBattleOpponents(g, 1, 3, cacheShipGroupRaceID, cacheRelation, cacheShipClass, cacheProbability))
 	assert.NotContains(t, cacheProbability[1], 3)
 }
+
+func TestSlicesDeleteFunc(t *testing.T) {
+	type Container struct {
+		S []int
+	}
+	c := Container{S: []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}}
+	r1 := slices.DeleteFunc(c.S, func(e int) bool { return e%2 != 0 })
+	assert.Len(t, r1, 5)
+	for i := range r1 {
+		assert.Equal(t, i*2, r1[i], "elem #%d", i)
+		assert.Equal(t, i*2, c.S[i], "elem #%d", i)
+	}
+	assert.Len(t, c.S, 10)
+	for i := len(r1); i < len(c.S); i++ {
+		assert.Equal(t, 0, c.S[i], "elem #%d", i)
+	}
+}