Function TestInternValue

string_interning_test.go:190–225

(t *testing.T)

}

func TestInternValue(t *testing.T) {
	b := createNewBuffer()
	b.colLen = 2
	b.interners = make([]*stringInterner, 2)
	b.internCols = make([]bool, 2)

	// Enable interning for column 0
	b.interners[0] = newStringInterner()
	b.internCols[0] = true

	// Test interning
	val1 := b.internValue(0, "test")
	val2 := b.internValue(0, "test")

	// Should be same value for column 0
	if val1 != val2 {
		t.Error("Interned values should be same value")
	}

	// Verify it's actually in the interner
	count := 0
	b.interners[0].pool.Range(func(key, value interface{}) bool {
		count++
		return true
	})

	if count != 1 {
		t.Errorf("Expected 1 entry in interner, got %d", count)
	}

	// Column 1 not interned, should return original
	val3 := b.internValue(1, "test")
	if val3 != "test" {
		t.Error("Non-interned column should return original value")
	}
}

// Helper functions
func generateUniqueStrings(count int) []string {