Examples with EvaluationContext org.eclipse.core.expressions.EvaluationContext used on opensource projects

Example 21 with EvaluationContext

use of org.eclipse.core.expressions.EvaluationContext in project eclipse.platform.runtime by eclipse.

the class ExpressionTests method testAdaptExpressionWithNull.

/**
 * Bug 484325
 */
public void testAdaptExpressionWithNull() throws Exception {
    // it's surprisingly difficult to craft an EvaluationContext that
    // provides
    // a defaultVariable == null
    IEvaluationContext testContext = new EvaluationContext(null, new Adaptee());
    testContext.addVariable("nullCarrier", Arrays.asList((Object) null, (Object) null, (Object) null));
    WithExpression withExpression = new WithExpression("nullCarrier");
    IterateExpression iterateExpression = new IterateExpression("and");
    iterateExpression.add(new AdaptExpression("org.eclipse.core.internal.expressions.tests.NotExisting"));
    withExpression.add(iterateExpression);
    EvaluationResult result = withExpression.evaluate(testContext);
    assertTrue(result == EvaluationResult.FALSE);
}

Example 22 with EvaluationContext

use of org.eclipse.core.expressions.EvaluationContext in project eclipse.platform.runtime by eclipse.

the class ExpressionTests method testAdaptExpressionAdaptable.

public void testAdaptExpressionAdaptable() throws Exception {
    // $NON-NLS-1$
    AdaptExpression expression = new AdaptExpression("org.eclipse.core.internal.expressions.tests.Adapter");
    // $NON-NLS-1$
    expression.add(new InstanceofExpression("org.eclipse.core.internal.expressions.tests.Adapter"));
    EvaluationResult result = expression.evaluate(new EvaluationContext(null, new AdaptableAdaptee()));
    assertTrue(result == EvaluationResult.TRUE);
}

Example 23 with EvaluationContext

use of org.eclipse.core.expressions.EvaluationContext in project eclipse.platform.runtime by eclipse.

the class ExpressionTests method testPlatformPropertyTester.

public void testPlatformPropertyTester() throws Exception {
    IExtensionRegistry registry = Platform.getExtensionRegistry();
    // $NON-NLS-1$ //$NON-NLS-2$
    IConfigurationElement[] ces = registry.getConfigurationElementsFor("org.eclipse.core.expressions.tests", "testParticipants");
    // $NON-NLS-1$ //$NON-NLS-2$
    IConfigurationElement enable = findExtension(ces, "test3").getChildren("enablement")[0];
    Expression exp = ExpressionConverter.getDefault().perform(enable);
    EvaluationContext context = new EvaluationContext(null, Platform.class);
    assertEquals(EvaluationResult.TRUE, exp.evaluate(context));
}

Example 24 with EvaluationContext

use of org.eclipse.core.expressions.EvaluationContext in project eclipse.platform.runtime by eclipse.

the class ExpressionTests method testCountExpressionAnyNumber.

public void testCountExpressionAnyNumber() throws Exception {
    // $NON-NLS-1$
    CountExpression exp = new CountExpression("*");
    List<String> list = new ArrayList<>();
    EvaluationContext context = new EvaluationContext(null, list);
    assertTrue(EvaluationResult.TRUE == exp.evaluate(context));
    list.clear();
    // $NON-NLS-1$
    list.add("one");
    context = new EvaluationContext(null, list);
    assertTrue(EvaluationResult.TRUE == exp.evaluate(context));
    list.clear();
    // $NON-NLS-1$
    list.add("one");
    // $NON-NLS-1$
    list.add("two");
    // $NON-NLS-1$
    list.add("three");
    context = new EvaluationContext(null, list);
    assertTrue(EvaluationResult.TRUE == exp.evaluate(context));
}

Example 25 with EvaluationContext

use of org.eclipse.core.expressions.EvaluationContext in project eclipse.platform.runtime by eclipse.

the class ExpressionTests method testIterateExpressionWithAdapterManagerIfEmptyFalse.

public void testIterateExpressionWithAdapterManagerIfEmptyFalse() throws Exception {
    // $NON-NLS-1$
    IterateExpression exp = new IterateExpression("or", "false");
    final List<String> input = new ArrayList<>();
    CollectionWrapper wrapper = new CollectionWrapper();
    wrapper.collection = input;
    EvaluationContext context = new EvaluationContext(null, wrapper);
    assertTrue(EvaluationResult.FALSE == exp.evaluate(context));
}