startup_alloc_test.go RawHistoryFolder

1package core
2
3import (
4	"testing"
5
6	"github.com/bnema/neferwl/internal/ports"
7)
8
9// A full launcher must not copy the pending command on every unrelated event.
10func TestPendingStartupReusesImmutableArguments(t *testing.T) {
11	c := &Core{startup: [][]string{{"command", "argument"}}}
12	c.ch.Spawn = make(chan ports.SpawnRequest, 1)
13	c.ch.Spawn <- ports.SpawnRequest{}
14	var req ports.SpawnRequest
15	if allocations := testing.AllocsPerRun(100, func() { _, req = c.pendingStartup() }); allocations != 0 {
16		t.Fatalf("pending startup: %.1f allocations", allocations)
17	}
18	if len(req.Argv) != 2 || &req.Argv[0] != &c.startup[0][0] {
19		t.Fatal("pending arguments copied or changed")
20	}
21}