Examples with ParserConfiguration org.mvel2.ParserConfiguration used on opensource projects

Example 46 with ParserConfiguration

use of org.mvel2.ParserConfiguration in project mvel by mvel.

the class ControlFlowTests method testForLoopWithVar.

public void testForLoopWithVar() {
    String str = "int height = 100; int j = 0; for (i = 0; i < height; i++) {j++ }; return j;";
    ParserConfiguration pconf = new ParserConfiguration();
    ParserContext pctx = new ParserContext(pconf);
    pctx.setStrongTyping(true);
    ExecutableStatement stmt = (ExecutableStatement) MVEL.compileExpression(str, pctx);
    Map vars = new HashMap();
    assertEquals(new Integer(100), MVEL.executeExpression(stmt, vars));
}

Example 47 with ParserConfiguration

use of org.mvel2.ParserConfiguration in project mvel by mvel.

the class CoreConfidenceTests method testInstanceofWithPackageImport.

public void testInstanceofWithPackageImport() {
    ParserConfiguration conf = new ParserConfiguration();
    conf.addPackageImport("org.mvel2.tests.core");
    ParserContext pctx = new ParserContext(conf);
    pctx.setStrictTypeEnforcement(true);
    pctx.setStrongTyping(true);
    pctx.addInput("value", Object.class);
    Map vars = new HashMap() {

        {
            put("value", new CoreConfidenceTests());
        }
    };
    assertEquals(true, MVEL.executeExpression(MVEL.compileExpression("value instanceof CoreConfidenceTests", pctx), vars));
    assertEquals(true, MVEL.executeExpression(MVEL.compileExpression("value instanceof " + CoreConfidenceTests.class.getCanonicalName(), pctx), vars));
}

Example 48 with ParserConfiguration

use of org.mvel2.ParserConfiguration in project mvel by mvel.

the class CoreConfidenceTests method testMapAccessProperty.

public void testMapAccessProperty() {
    String str = "map.key";
    ParserConfiguration pconf = new ParserConfiguration();
    ParserContext pctx = new ParserContext(pconf);
    pctx.setStrongTyping(true);
    pctx.addInput("this", POJO.class);
    ExecutableStatement stmt = (ExecutableStatement) MVEL.compileExpression(str, pctx);
    POJO ctx = new POJO();
    try {
        MVEL.executeExpression(stmt, ctx);
        fail("Expected PropertyAccessException");
    } catch (PropertyAccessException ex) {
        assertTrue(ex.getMessage().contains("could not access: key"));
    }
}

Example 49 with ParserConfiguration

use of org.mvel2.ParserConfiguration in project mvel by mvel.

the class ArithmeticTests method testStaticMathCeil.

public void testStaticMathCeil() {
    int x = 4;
    // demonstrating it's perfectly valid java
    int m = (int) java.lang.Math.ceil(x / 3.0);
    String str = "int m = (int) java.lang.Math.ceil( x/3.0 ); return m;";
    ParserConfiguration pconf = new ParserConfiguration();
    ParserContext pctx = new ParserContext(pconf);
    pctx.setStrongTyping(true);
    pctx.addInput("x", int.class);
    ExecutableStatement stmt = (ExecutableStatement) MVEL.compileExpression(str, pctx);
    Map vars = new HashMap();
    vars.put("x", 4);
    assertEquals(new Integer(2), MVEL.executeExpression(stmt, vars));
}

Example 50 with ParserConfiguration

use of org.mvel2.ParserConfiguration in project mvel by mvel.

the class ArithmeticTests method testModExpr.

public void testModExpr() {
    String str = "$y % 4 == 0 && $y % 100 != 0 || $y % 400 == 0 ";
    ParserConfiguration pconf = new ParserConfiguration();
    ParserContext pctx = new ParserContext(pconf);
    pctx.setStrictTypeEnforcement(true);
    pctx.setStrongTyping(true);
    pctx.addInput("$y", int.class);
    Map<String, Object> vars = new HashMap<String, Object>();
    ExecutableStatement stmt = (ExecutableStatement) MVEL.compileExpression(str, pctx);
    for (int i = 0; i < 500; i++) {
        int y = i;
        boolean expected = y % 4 == 0 && y % 100 != 0 || y % 400 == 0;
        vars.put("$y", y);
        assertEquals(expected, MVEL.eval(str, vars));
        assertEquals(expected, ((Boolean) MVEL.executeExpression(stmt, null, vars)).booleanValue());
    }
}