@Test public void getLineHistoryCount_shouldReturnTotalNumberOfDrawLineEvents() throws Exception { Canvas canvas = new Canvas(); canvas.drawLine(0f, 1f, 2f, 3f, new Paint()); canvas.drawLine(0f, 1f, 2f, 3f, new Paint()); ShadowCanvas shadowCanvas = shadowOf(canvas); assertThat(shadowCanvas.getLinePaintHistoryCount()).isEqualTo(2); }