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

Example 16 with EvaluationContext

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

the class ExpressionTests method testIterateExpressionOr_IfEmptyFalse.

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

Example 17 with EvaluationContext

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

the class ExpressionTests method testCountExpressionNoneWithAdapterManager.

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

Example 18 with EvaluationContext

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

the class ExpressionTests method testIterateExpressionFailure.

public void testIterateExpressionFailure() throws Exception {
    IterateExpression exp = new IterateExpression((String) null);
    EvaluationContext context = new EvaluationContext(null, new Object());
    try {
        EvaluationResult result = exp.evaluate(context);
        fail("Count should've failed for non-Collection variable.  Result = " + result.toString());
    } catch (CoreException e) {
        assertEquals(ExpressionStatus.VARIABLE_IS_NOT_A_COLLECTION, e.getStatus().getCode());
    }
}

Example 19 with EvaluationContext

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

the class ExpressionTests method testInstanceofFalse.

public void testInstanceofFalse() throws Exception {
    A a = new A();
    EvaluationContext context = new EvaluationContext(null, a);
    // $NON-NLS-1$
    InstanceofExpression exp = new InstanceofExpression("org.eclipse.core.internal.expressions.tests.B");
    assertTrue(EvaluationResult.FALSE == exp.evaluate(context));
}

Example 20 with EvaluationContext

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

the class ExpressionTests method testIterateExpressionOrTrue.

public void testIterateExpressionOrTrue() throws Exception {
    final List<Object> result = new ArrayList<>();
    Expression myExpression = new Expression() {

        @Override
        public EvaluationResult evaluate(IEvaluationContext context) throws CoreException {
            result.add(context.getDefaultVariable());
            return EvaluationResult.TRUE;
        }
    };
    // $NON-NLS-1$
    IterateExpression exp = new IterateExpression("or");
    exp.add(myExpression);
    List<String> input = new ArrayList<>();
    // $NON-NLS-1$
    input.add("one");
    // $NON-NLS-1$
    input.add("two");
    EvaluationContext context = new EvaluationContext(null, input);
    assertTrue(EvaluationResult.TRUE == exp.evaluate(context));
    // $NON-NLS-1$
    assertTrue(result.size() == 1 && result.get(0).equals("one"));
}