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package spell

import "testing"

func loadT(t *testing.T) *Dict {
	t.Helper()
	d, err := Load()
	if err != nil {
		t.Fatalf("Load: %v", err)
	}
	return d
}

func TestKnownCommonWords(t *testing.T) {
	d := loadT(t)
	for _, w := range []string{"the", "receive", "separate", "believe", "government", "markdown", "editor"} {
		if !d.Known(w) {
			t.Errorf("Known(%q) = false, want true", w)
		}
	}
}

func TestUnknownTypos(t *testing.T) {
	d := loadT(t)
	for _, w := range []string{"recieve", "seperate", "definately", "teh", "qwertyx"} {
		if d.Known(w) {
			t.Errorf("Known(%q) = true, want false (typo)", w)
		}
	}
}

func TestKnownCaseInsensitive(t *testing.T) {
	d := loadT(t)
	for _, w := range []string{"The", "RECEIVE", "Government"} {
		if !d.Known(w) {
			t.Errorf("Known(%q) = false, want true (case-insensitive)", w)
		}
	}
}

func TestKnownPossessiveAndPlural(t *testing.T) {
	d := loadT(t)
	// Possessive of a known word is accepted leniently even if the exact
	// possessive form isn't a dictionary entry.
	for _, w := range []string{"government's", "editor's", "markdown's"} {
		if !d.Known(w) {
			t.Errorf("Known(%q) = false, want true (possessive of known word)", w)
		}
	}
}