Function TestStringInterner

string_interning_test.go:9–49

(t *testing.T)

)

func TestStringInterner(t *testing.T) {
	si := newStringInterner()

	// Test basic interning
	s1 := si.intern("test")
	s2 := si.intern("test")

	// Should return the same string value
	if s1 != s2 {
		t.Error("String interning failed - expected same string value")
	}

	// Intern should deduplicate - both should resolve to same underlying string
	// This is verified by sync.Map storing it once
	count := 0
	si.pool.Range(func(key, value interface{}) bool {
		count++
		return true
	})

	if count != 1 {
		t.Errorf("Expected 1 unique string in pool, got %d", count)
	}

	// Different strings should still work
	s3 := si.intern("different")
	if s1 == s3 {
		t.Error("Different strings should not be equal")
	}

	// Pool should now have 2 entries
	count = 0
	si.pool.Range(func(key, value interface{}) bool {
		count++
		return true
	})

	if count != 2 {
		t.Errorf("Expected 2 unique strings in pool, got %d", count)
	}
}

func TestShouldInternColumn(t *testing.T) {
	tests := []struct {