package remembering

import (
	"os"
	"reflect"
	"strings"
	"testing"
	"testing/internal/testdeps"
)



func fn(f *testing.F) {
	f.Add("0 profile a\n1 profile b\n", "c\nd", "a")
	f.Add("", "x", "x")
	f.Fuzz(func(
		t *testing.T,
		content string,
		input string,
		choice string,
	) {
		profile := parseProfile(content)
		again := parseProfile(serializeProfile(profile))
		if !reflect.DeepEqual(again, profile) {
			t.Fatalf(
				"roundtrip: %#v != %#v",
				again, profile,
			)
		}

		if choice == "" ||
			strings.Contains(choice, "\n") {
			return
		}
		lines := splitLines(input)
		next := nextProfile(profile, lines, choice)

		found := false
		for _, entry := range next {
			if entry.text == choice {
				found = true
			}
		}
		if !found {
			t.Fatalf(
				"pick %q not learnt in %#v",
				choice, next,
			)
		}

		reNext := parseProfile(serializeProfile(next))
		if !reflect.DeepEqual(reNext, next) {
			t.Fatalf(
				"next roundtrip: %#v != %#v",
				reNext, next,
			)
		}
	})
}



func MainTest() {
	fuzzTargets := []testing.InternalFuzzTarget{
		{"fn", fn},
	}

	deps := testdeps.TestDeps{}
	tests      := []testing.InternalTest     {}
	benchmarks := []testing.InternalBenchmark{}
	examples   := []testing.InternalExample  {}
	m := testing.MainStart(
		deps, tests, benchmarks, fuzzTargets, examples,
	)
	os.Exit(m.Run())
}