@Test
public void testCompile_IfElseConstructComplex() throws Exception {
ExpressionCompiler compiler = getCompiler();
ExpressionExecutor executor = null;
TokenPair result = null;
String test = null;
test =
""
+ "stuff = 1 + 2 * 5;"
+ "if (stuff == 1)"
+ "{"
+ " return('stuff == 1');"
+ "}"
+ "else"
+ "{"
+ " if (stuff == 11)"
+ " {"
+ " return('stuff == 11');"
+ " }"
+ " else"
+ " {"
+ " return('stuff != 11');"
+ " }"
+ "}";
executor = compiler.compile(test);
result = executor.execute(null, null, false);
Assert.assertNotNull(result);
Assert.assertEquals("stuff == 11", result.value);
test =
""
+ "stuff = 1 + 2 * 5;"
+ "if (stuff == 1)"
+ "{"
+ " stuff = 'stuff == 1';"
+ "}"
+ "else"
+ "{"
+ " if (stuff == 11)"
+ " {"
+ " stuff = 'stuff == 11';"
+ " }"
+ " else"
+ " {"
+ " stuff = 'stuff != 11';"
+ " }"
+ "}"
+ "return(stuff);";
executor = compiler.compile(test);
result = executor.execute(null, null, false);
Assert.assertNotNull(result);
Assert.assertEquals("stuff == 11", result.value);
}
@Test
public void testCompile() throws Exception {
ExpressionCompiler compiler = getCompiler();
ExpressionExecutor executor = null;
TokenPair result = null;
executor = compiler.compile("return(1 - 2)");
result = executor.execute(null, null, false);
Assert.assertNotNull(result);
Assert.assertEquals(-1, result.value);
executor = compiler.compile("1 - 2");
result = executor.execute(null, null, true);
Assert.assertNotNull(result);
Assert.assertEquals(-1, result.value);
}
@Test
public void testCompile_FibSquence() throws Exception {
ExpressionCompiler compiler = getCompiler();
ExpressionExecutor executor = null;
TokenPair result = null;
String test = null;
test =
""
+ "total = 0;"
+ "minus1 = 1;"
+ "minus2 = 1;"
+ "for(i = 0; i < 15; i += 1)"
+ "{"
+ " total = minus1 + minus2;"
+ " minus2 = minus1;"
+ " minus1 = total;"
+ " echoln('count so far: ' + total);"
+ "}"
+ "return(total);";
executor = compiler.compile(test);
System.out.println(((RPNExecutor) executor).dumpCode());
result = executor.execute(null, null, false);
Assert.assertNotNull(result);
Assert.assertEquals(1597, result.value);
}
@Test
public void testCompile_ForLoopComplex() throws Exception {
ExpressionCompiler compiler = getCompiler();
ExpressionExecutor executor = null;
TokenPair result = null;
String test = null;
test =
""
+ "counter = 0;"
+ "for(i = 0; i < 5; i += 1)"
+ "{"
+ " if (i % 2 == 0)"
+ " {"
+ " counter += 1;"
+ " for(j = 0; j < 2; j += 1)"
+ " {"
+ " counter += 1;"
+ " }"
+ " }"
+ "}"
+ "return(counter);";
executor = compiler.compile(test);
// System.out.println(((RPNExecutor) executor).dumpCode());
result = executor.execute(null, null, false);
Assert.assertNotNull(result);
Assert.assertEquals(9, result.value);
}
@Test
public void testCompile_string() throws Exception {
ExpressionCompiler compiler = getCompiler();
ExpressionExecutor executor = null;
TokenPair result = null;
executor = compiler.compile("return('hello ' + 'world')");
result = executor.execute(null, null, false);
Assert.assertEquals("hello world", result.value);
executor = compiler.compile("'hello ' + 'world'");
result = executor.execute(null, null, true);
Assert.assertEquals("hello world", result.value);
String test = "" + "string = 'hello ' + 'world';" + "echo(string);" + "return(string);";
executor = compiler.compile(test);
result = executor.execute(null, null, false);
Assert.assertNotNull(result);
Assert.assertEquals("hello world", result.value);
}
@Test
public void testCompile_IfElseConstruct() throws Exception {
ExpressionCompiler compiler = getCompiler();
ExpressionExecutor executor = null;
TokenPair result = null;
String test = null;
test =
""
+ "if (1 == 1)"
+ "{"
+ " return('1 == 1');"
+ "}"
+ "else"
+ "{"
+ " return('1 != 1');"
+ "}";
executor = compiler.compile(test);
result = executor.execute(null, null, false);
Assert.assertNotNull(result);
Assert.assertEquals("1 == 1", result.value);
test =
""
+ "if (1 == 2)"
+ "{"
+ " return('1 == 2');"
+ "}"
+ "else"
+ "{"
+ " return('1 != 2');"
+ "}";
executor = compiler.compile(test);
// System.out.println(((RPNExecutor) executor).dumpCode());
result = executor.execute(null, null, false);
Assert.assertNotNull(result);
Assert.assertEquals("1 != 2", result.value);
}
@Test
public void test_bench() throws Exception {
ExpressionCompiler compiler = getCompiler();
ExpressionExecutor executor = null;
TokenPair result = null;
executor = compiler.compile("return(1 - 2 * 12);");
long start = System.currentTimeMillis();
for (int i = 0; i < 100000; i += 1) {
result = executor.execute(null, null, true);
Assert.assertEquals(-23, result.value);
}
System.out.println("first time: " + (System.currentTimeMillis() - start));
}
@Test
public void testCompile_IfConstruct() throws Exception {
ExpressionCompiler compiler = getCompiler();
ExpressionExecutor executor = null;
TokenPair result = null;
String test = null;
test =
""
+ "string = 'not found';"
+ "if (string == 'not found')"
+ "{"
+ " string = 'found';"
+ "}"
+ "return(string);";
executor = compiler.compile(test);
result = executor.execute(null, null, false);
Assert.assertNotNull(result);
Assert.assertEquals("found", result.value);
}
@Test
public void testCompile_Scope() throws Exception {
ExpressionCompiler compiler = getCompiler();
ExpressionExecutor executor = null;
TokenPair result = null;
String test = null;
test =
""
+ "counter = 0;"
+ "{"
+ " counter += 1;"
+ " echoln(counter);"
+ "}"
+ "return(counter);";
executor = compiler.compile(test);
// System.out.println(((RPNExecutor) executor).dumpCode());
result = executor.execute(null, null, false);
Assert.assertNotNull(result);
Assert.assertEquals(1, result.value);
}
@Test
public void testCompile_ElseIfChain() throws Exception {
ExpressionCompiler compiler = getCompiler();
ExpressionExecutor executor = null;
TokenPair result = null;
String test = null;
test =
""
+ "counter = 0;"
+ "if(counter == 1)"
+ "{"
+ " return('what the freak!');"
+ "}"
+ "else if(counter == 0)"
+ "{"
+ " return('sweet!');"
+ "}";
executor = compiler.compile(test);
// System.out.println(((RPNExecutor) executor).dumpCode());
result = executor.execute(null, null, false);
Assert.assertNotNull(result);
Assert.assertEquals("sweet!", result.value);
}
