testswitchoperatortoken.java

JAVA 数学程序库 提供常规的数值计算程序包

package jmathlibtests.core.tokens;

import jmathlib.core.interpreter.Interpreter;
import jmathlib.tools.junit.framework.*;

public class testSwitchOperatorToken extends TestCase
{
	protected Interpreter ml;

    public testSwitchOperatorToken(String name)
    {
        super(name);
    }
    
    public static void main(String[] args)
    {
		jmathlib.tools.junit.textui.TestRunner.run (suite());        
    }

    public static Test suite()
    {
        return new TestSuite(testSwitchOperatorToken.class);
    }
    
    public void setUp()
    {
        ml = new Interpreter(true);
    }    
    
    public void testSwitch01()
    {
        String code = ""
        + " switch(x) \n"
        + "case(1) { t=11; } "
        + "case(2) { t=22; } "
        + "end; ";
        
        ml.executeExpression(" x=1;"+ code );
		assertTrue( ml.getScalarValueRe("t") == 11);
    }

    public void testSwitch02()
    {
        String code = ""
        + " switch(x) \n"
        + "case(1) { t=11; } "
        + "case(2) { t=22; } "
        + "end; ";
        
        ml.executeExpression(" x=2;"+ code );
		assertTrue( ml.getScalarValueRe("t") == 22);
    }

    public void testSwitch03a()
    {
        String code = ""
        + " switch(x) \n"
        + "case(1) { t=11; } "
        + "case(2) { t=22; } "
        + "default { t=33; } "
        + "end; ";
        
        ml.executeExpression(" x=4;"+ code );
		assertTrue( ml.getScalarValueRe("t") == 33);
    }

    public void testSwitch03b()
    {
        String code = ""
        + " switch(x) \n"
        + "case(1) { t=11; } "
        + "case(2) { t=2266; } "
        + "default { t=33; } "
        + "end; ";
        
        ml.executeExpression(" x=2;"+ code );
		assertTrue( ml.getScalarValueRe("t") == 2266);
    }

    public void testSwitch04a()
    {
        ml.executeExpression(" x=1; test_switch001;" );
		assertTrue( ml.getScalarValueRe("y") == 123.0);
    }

    public void testSwitch04b()
    {
        ml.executeExpression(" x=2; test_switch001;" );
		assertTrue( ml.getScalarValueRe("y") == 234.0);
    }

    public void testSwitch04c()
    {
        ml.executeExpression(" x=3; test_switch001;" );
		assertTrue( ml.getScalarValueRe("y") == 345.0);
    }
    
    public void testSwitch04d()
    {
        ml.executeExpression(" x=333; test_switch001;" );
		assertTrue( ml.getScalarValueRe("y") == 777);
    }

    public void testSwitch05a()
    {
        String code = ""
        + " switch(x) \n"
        + "case(1)  t=11; b=55; c=sin(6); "
        + "case(2) { t=22; } "
        + "default { t=33; } "
        + "end; ";
        
        ml.executeExpression(" x=1;"+ code );
		assertTrue( ml.getScalarValueRe("t") == 11);
    }

    public void testSwitch05b()
    {
        String code = ""
        + " switch(x) \n"
        + "case(2) { t=22; } "
        + "case(13)  t=11; b=55; c=sin(6); "
        + "default { t=33; } "
        + "end; ";
        
        ml.executeExpression(" x=13;"+ code );
		assertTrue( ml.getScalarValueRe("t") == 11);
    }

    public void testSwitch05c()
    {
        String code = ""
        + " switch(x)\n "
        + "case(2) { t=22; } "
        + "case(13)  b=55; c=sin(6); t=11; "
        + "default { t=33; } "
        + "end; ";
        
        ml.executeExpression(" x=13;"+ code );
		assertTrue( ml.getScalarValueRe("t") == 11);
    }

    public void testSwitch06a()
    {
        String code = ""
        + " switch(x) \n"
        + "case(1) t=11;  "
        + "case(2)  t=22;  "
        + "case(3)  t=22;  "
        + "case(6)  t=22;  "
        + "case(33.6)  t=22;  "
        + "case(987)  t=22;  "
        + "otherwise  t=3345;  "
        + "endswitch; ";
        
        ml.executeExpression(" x=4;"+ code );
		assertTrue( ml.getScalarValueRe("t") == 3345);
    }
    
    public void testSwitch06b()
    {
        String code = ""
        + " switch( x) \n "
        + "case(1) t=11;  "
        + "case(2)  t=22;  "
        + "case(3)  t=22;  "
        + "case(6)  t=22;  "
        + "case(33.6)  t=22;  "
        + "case(987)  t=22;  "
        + "otherwise  t=334;  "
        + "endswitch; ";
        
        ml.executeExpression(" x=987;"+ code );
		assertTrue( ml.getScalarValueRe("t") == 22);
    }
    
    public void testSwitch07a()
    {
        String code = ""
        + " switch (x) \n"
        + "case(1)  t=11;  "
        + "case(22)  t=22;  "
        + "otherwise  t=3398;  "
        + "endswitch; ";
        
        ml.executeExpression(" x=22;"+ code );
		assertTrue( ml.getScalarValueRe("t") == 22);
    }
    
    public void testSwitch07b()
    {
        String code = ""
        + " switch (x) \n"
        + "case(-1)  t=111;  "
        + "case(22)  t=22;  "
        + "otherwise  t=3398;  "
        + "endswitch; ";
        
        ml.executeExpression(" x=-1;"+ code );
		assertTrue( ml.getScalarValueRe("t") == 111);
    }

    public void testSwitch07c()
    {
        String code = ""
        + " switch (x) \n"
        + "case(-1)  t=111;  "
        + "case(22)  t=22;  "
        + "otherwise  t=3398;  "
        + "endswitch; ";
        
        ml.executeExpression(" x=111;"+ code );
		assertTrue( ml.getScalarValueRe("t") == 3398);
    }

    public void testSwitch07d()
    {
        String code = ""
        + " switch (x) \n"
        + "case(-1) y=55; t=111;  "
        + "case(22)  t=22;  "
        + "default  t=3398;  "
        + "endswitch; ";
        
        ml.executeExpression(" x=-1;"+ code );
		assertTrue( ml.getScalarValueRe("t") == 111);
    }

    // there has been a problem with parsing "endswitch" 
    //   commands after "endswitch" had been skipped
    public void testSwitch08()
    {
        String code = ""
        + "cc=789; \n"
        + " switch (x) \n"
        + "case(-1) y=55; t=111;  "
        + "case(232)  t=22;  "
        + "default  t=3398;  "
        + "endswitch; "
		+ "ccc=7899;";
        
        ml.executeExpression(" x=232;"+ code );
		assertTrue( ml.getScalarValueRe("t")   == 22);
		assertTrue( ml.getScalarValueRe("cc")  == 789);
		assertTrue( ml.getScalarValueRe("ccc") == 7899);
    }

}