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Coerce script engine eval() return values to Java.

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This commit is contained in:
James Roseborough
2013-07-01 13:49:52 +00:00
parent 9a3f6161ce
commit 869f0e003c
4 changed files with 65 additions and 27 deletions
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30
test/junit/org/luaj/vm2/script/ScriptEngineTests.java
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@@ -21,6 +21,7 @@
******************************************************************************/
package org.luaj.vm2.script;
import java.io.ByteArrayInputStream;
import java.io.CharArrayReader;
import java.io.CharArrayWriter;
import java.io.Reader;
@@ -133,12 +134,12 @@ public class ScriptEngineTests extends TestSuite {
}
});
Object r = e.eval("return f('abc')");
assertEquals("abc123", r.toString());
assertEquals("abc123", r);
}
public void testCompiledScript() throws ScriptException {
CompiledScript cs = ((Compilable)e).compile("y = math.sqrt(x); return y");
b.put("x", 144);
assertEquals("12", cs.eval(b).toString());
assertEquals(12, cs.eval(b));
}
public void testBuggyLuaScript() {
try {
@@ -186,31 +187,31 @@ public class ScriptEngineTests extends TestSuite {
public void testBindingJavaInt() throws ScriptException {
CompiledScript cs = ((Compilable)e).compile("y = x; return 'x '..type(x)..' '..tostring(x)\n");
b.put("x", 111);
assertEquals("x number 111", cs.eval(b).toString());
assertEquals("x number 111", cs.eval(b));
assertEquals(111, b.get("y"));
}
public void testBindingJavaDouble() throws ScriptException {
CompiledScript cs = ((Compilable)e).compile("y = x; return 'x '..type(x)..' '..tostring(x)\n");
b.put("x", 125.125);
assertEquals("x number 125.125", cs.eval(b).toString());
assertEquals("x number 125.125", cs.eval(b));
assertEquals(125.125, b.get("y"));
}
public void testBindingJavaString() throws ScriptException {
CompiledScript cs = ((Compilable)e).compile("y = x; return 'x '..type(x)..' '..tostring(x)\n");
b.put("x", "foo");
assertEquals("x string foo", cs.eval(b).toString());
assertEquals("x string foo", cs.eval(b));
assertEquals("foo", b.get("y"));
}
public void testBindingJavaObject() throws ScriptException {
CompiledScript cs = ((Compilable)e).compile("y = x; return 'x '..type(x)..' '..tostring(x)\n");
b.put("x", new SomeUserClass());
assertEquals("x userdata some-user-value", cs.eval(b).toString());
assertEquals("x userdata some-user-value", cs.eval(b));
assertEquals(SomeUserClass.class, b.get("y").getClass());
}
public void testBindingJavaArray() throws ScriptException {
CompiledScript cs = ((Compilable)e).compile("y = x; return 'x '..type(x)..' '..x[1]..' '..x[2]\n");
CompiledScript cs = ((Compilable)e).compile("y = x; return 'x '..type(x)..' '..#x..' '..x[1]..' '..x[2]\n");
b.put("x", new int[] { 777, 888 });
assertEquals("x userdata 777 888", cs.eval(b).toString());
assertEquals("x userdata 2 777 888", cs.eval(b));
assertEquals(int[].class, b.get("y").getClass());
}
public void testBindingLuaFunction() throws ScriptException {
@@ -223,10 +224,19 @@ public class ScriptEngineTests extends TestSuite {
CompiledScript cs = ((Compilable)e).compile(
"x = x or luajava.newInstance('java.lang.String', 'test')\n" +
"return 'x ' .. type(x) .. ' ' .. tostring(x)\n");
assertEquals("x string test", cs.eval(b).toString());
assertEquals("x string test", cs.eval(b));
b.put("x", new SomeUserClass());
assertEquals("x userdata some-user-value", cs.eval(b).toString());
assertEquals("x userdata some-user-value", cs.eval(b));
}
public void testReturnMultipleValues() throws ScriptException {
CompiledScript cs = ((Compilable)e).compile("return 'foo', 'bar'\n");
Object o = cs.eval();
assertEquals(Object[].class, o.getClass());
Object[] array = (Object[]) o;
assertEquals(2, array.length);
assertEquals("foo", array[0]);
assertEquals("bar", array[1]);
}
}
public static class SomeUserClass {