step3 = settings.getAsBoolean("step3", true);
        step4 = settings.getAsBoolean("step4", true);
        step5 = settings.getAsBoolean("step5", true);
        step6 = settings.getAsBoolean("step6", true);
    }

    @Override
    public TokenStream create(final TokenStream tokenStream) {
        return new FlexiblePorterStemFilter(tokenStream, step1, step2, step3, step4, step5, step6);
    }

        !step3.matches("ABC")
        !step3.matches("other")

        and:
        def step4 = PatternStepFactory.getStep("*?bc", true);
        step4 instanceof RegExpPatternStep
        step4.matches("abc")
        step4.matches("123abc")
        !step4.matches("bc")
        !step4.matches("ABC")
        !step4.matches("other")

        and:
        def step5 = PatternStepFactory.getStep("?*bc", true);

    assertWithMessage("step4.statusFuture().isCancelled()")
        .that(step4.statusFuture().isCancelled())
        .isFalse();
    // Its closeable isn't closed yet.
    assertStillOpen(closeable4);

    // Resume step 4 and complete.
    step4Waiter.awaitReturned();
    assertThat(getFinalValue(step4)).isEqualTo("value 4");

    // Step 4's closeable is now closed.

    assertWithMessage("step4.statusFuture().isCancelled()")
        .that(step4.statusFuture().isCancelled())
        .isFalse();
    // Its closeable isn't closed yet.
    assertStillOpen(closeable4);

    // Resume step 4 and complete.
    step4Waiter.awaitReturned();
    assertThat(getFinalValue(step4)).isEqualTo("value 4");

    // Step 4's closeable is now closed.

	storeVersion(t, "Step2", c, "1", true)
	// Store newer PV
	storeVersion(t, "Step3", c, "2", true)
	// Store older PV - simulating old "PV updated" event or periodic sync with
	// old data
	storeVersion(t, "Step4", c, "1", false)
	// Store newer PV - test integer parsing ("2" > "10" as string,
	// while 2 < 10 as integers)
	storeVersion(t, "Step5", c, "10", true)
}

func TestControllerCacheParsingError(t *testing.T) {