Files
luaj/test/junit/org/luaj/vm2/VarargsTest.java
2012-09-18 03:55:51 +00:00

231 lines
8.6 KiB
Java

/*******************************************************************************
* Copyright (c) 2012 Luaj.org. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
******************************************************************************/
package org.luaj.vm2;
import junit.framework.TestCase;
/**
* Tests of basic unary and binary operators on main value types.
*/
public class VarargsTest extends TestCase {
static LuaValue A = LuaValue.valueOf("a");
static LuaValue B = LuaValue.valueOf("b");
static LuaValue C = LuaValue.valueOf("c");
static LuaValue D = LuaValue.valueOf("d");
static LuaValue E = LuaValue.valueOf("e");
static LuaValue F = LuaValue.valueOf("f");
static LuaValue G = LuaValue.valueOf("g");
static LuaValue H = LuaValue.valueOf("h");
static LuaValue Z = LuaValue.valueOf("z");
static LuaValue NIL = LuaValue.NIL;
static Varargs A_G = LuaValue.varargsOf(new LuaValue[] { A, B, C, D, E, F, G });
static Varargs B_E = LuaValue.varargsOf(new LuaValue[] { B, C, D, E });
static Varargs C_G = LuaValue.varargsOf(new LuaValue[] { C, D, E, F, G });
static Varargs C_E = LuaValue.varargsOf(new LuaValue[] { C, D, E });
static Varargs DE = LuaValue.varargsOf(new LuaValue[] { D, E });
static Varargs E_G = LuaValue.varargsOf(new LuaValue[] { E, F, G });
static Varargs FG = LuaValue.varargsOf(new LuaValue[] { F, G });
static LuaValue[] Z_H_array = {Z, A, B, C, D, E, F, G, H };
static Varargs A_G_alt = new Varargs.ArrayPartVarargs(Z_H_array, 1, 7);
static Varargs B_E_alt = new Varargs.ArrayPartVarargs(Z_H_array, 2, 4);
static Varargs C_G_alt = new Varargs.ArrayPartVarargs(Z_H_array, 3, 5);
static Varargs C_E_alt = new Varargs.ArrayPartVarargs(Z_H_array, 3, 3);
static Varargs C_E_alt2 = LuaValue.varargsOf(C, D, E);
static Varargs DE_alt = new Varargs.PairVarargs(D,E);
static Varargs DE_alt2 = LuaValue.varargsOf(D,E);
static Varargs E_G_alt = new Varargs.ArrayPartVarargs(Z_H_array, 5, 3);
static Varargs FG_alt = new Varargs.PairVarargs(F, G);
static Varargs NONE = LuaValue.NONE;
static void expectEquals(Varargs x, Varargs y) {
assertEquals(x.narg(), y.narg());
assertEquals(x.arg1(), y.arg1());
assertEquals(x.arg(0), y.arg(0));
assertEquals(x.arg(-1), y.arg(-1));
assertEquals(x.arg(2), y.arg(2));
assertEquals(x.arg(3), y.arg(3));
for (int i = 4; i < x.narg() + 2; ++i)
assertEquals(x.arg(i), y.arg(i));
}
public void testSanity() {
expectEquals(A_G, A_G);
expectEquals(A_G_alt, A_G_alt);
expectEquals(A_G, A_G_alt);
expectEquals(B_E, B_E_alt);
expectEquals(C_G, C_G_alt);
expectEquals(C_E, C_E_alt);
expectEquals(C_E, C_E_alt2);
expectEquals(DE, DE_alt);
expectEquals(DE, DE_alt2);
expectEquals(E_G, E_G_alt);
expectEquals(FG, FG_alt);
expectEquals(FG_alt, FG_alt);
expectEquals(A, A);
expectEquals(NONE, NONE);
expectEquals(NIL, NIL);
}
public void testNegativeIndices() {
expectNegSubargsError(A_G);
expectNegSubargsError(A_G_alt);
expectNegSubargsError(B_E);
expectNegSubargsError(B_E_alt);
expectNegSubargsError(C_G);
expectNegSubargsError(C_G_alt);
expectNegSubargsError(C_E);
expectNegSubargsError(C_E_alt);
expectNegSubargsError(C_E_alt2);
expectNegSubargsError(DE);
expectNegSubargsError(DE_alt);
expectNegSubargsError(DE_alt2);
expectNegSubargsError(E_G);
expectNegSubargsError(FG);
expectNegSubargsError(A);
expectNegSubargsError(NONE);
expectNegSubargsError(NIL);
}
static void standardTestsA_G(Varargs a_g) {
expectEquals(A_G, a_g);
expectEquals(A_G, a_g.subargs(1));
expectEquals(C_G, a_g.subargs(3).subargs(1));
expectEquals(E_G, a_g.subargs(5));
expectEquals(E_G, a_g.subargs(5).subargs(1));
expectEquals(FG, a_g.subargs(6));
expectEquals(FG, a_g.subargs(6).subargs(1));
expectEquals(G, a_g.subargs(7));
expectEquals(G, a_g.subargs(7).subargs(1));
expectEquals(NONE, a_g.subargs(8));
expectEquals(NONE, a_g.subargs(8).subargs(1));
standardTestsC_G(A_G.subargs(3));
}
static void standardTestsC_G(Varargs c_g) {
expectEquals(C_G, c_g.subargs(1));
expectEquals(E_G, c_g.subargs(3));
expectEquals(E_G, c_g.subargs(3).subargs(1));
expectEquals(FG, c_g.subargs(4));
expectEquals(FG, c_g.subargs(4).subargs(1));
expectEquals(G, c_g.subargs(5));
expectEquals(G, c_g.subargs(5).subargs(1));
expectEquals(NONE, c_g.subargs(6));
expectEquals(NONE, c_g.subargs(6).subargs(1));
standardTestsE_G(c_g.subargs(3));
}
static void standardTestsE_G(Varargs e_g) {
expectEquals(E_G, e_g.subargs(1));
expectEquals(FG, e_g.subargs(2));
expectEquals(FG, e_g.subargs(2).subargs(1));
expectEquals(G, e_g.subargs(3));
expectEquals(G, e_g.subargs(3).subargs(1));
expectEquals(NONE, e_g.subargs(4));
expectEquals(NONE, e_g.subargs(4).subargs(1));
standardTestsFG(e_g.subargs(2));
}
static void standardTestsFG(Varargs fg) {
expectEquals(FG, fg.subargs(1));
expectEquals(G, fg.subargs(2));
expectEquals(G, fg.subargs(2).subargs(1));
expectEquals(NONE, fg.subargs(3));
expectEquals(NONE, fg.subargs(3).subargs(1));
}
static void standardTestsNone(Varargs none) {
expectEquals(NONE, none.subargs(1));
expectEquals(NONE, none.subargs(2));
}
public void testVarargsSubargs() {
standardTestsA_G(A_G);
standardTestsA_G(A_G_alt);
standardTestsC_G(C_G);
standardTestsC_G(C_G_alt);
standardTestsE_G(E_G);
standardTestsE_G(E_G_alt);
standardTestsFG(FG);
standardTestsFG(FG_alt);
standardTestsNone(NONE);
}
public void testVarargsMore() {
Varargs a_g;
a_g = LuaValue.varargsOf(new LuaValue[] { A, }, LuaValue.varargsOf( new LuaValue[] { B, C, D, E, F, G }));
standardTestsA_G(a_g);
a_g = LuaValue.varargsOf(new LuaValue[] { A, B, }, LuaValue.varargsOf( new LuaValue[] { C, D, E, F, G }));
standardTestsA_G(a_g);
a_g = LuaValue.varargsOf(new LuaValue[] { A, B, C, }, LuaValue.varargsOf( new LuaValue[] { D, E, F, G }));
standardTestsA_G(a_g);
a_g = LuaValue.varargsOf(new LuaValue[] { A, B, C, D, }, LuaValue.varargsOf(E, F, G));
standardTestsA_G(a_g);
a_g = LuaValue.varargsOf(new LuaValue[] { A, B, C, D, E }, LuaValue.varargsOf( F, G ));
standardTestsA_G(a_g);
a_g = LuaValue.varargsOf(new LuaValue[] { A, B, C, D, E, F, }, G );
standardTestsA_G(a_g);
}
public void testPairVarargsMore() {
Varargs a_g = new Varargs.PairVarargs(A,
new Varargs.PairVarargs(B,
new Varargs.PairVarargs(C,
new Varargs.PairVarargs(D,
new Varargs.PairVarargs(E,
new Varargs.PairVarargs(F, G))))));
standardTestsA_G(a_g);
}
public void testArrayPartMore() {
Varargs a_g;
a_g = new Varargs.ArrayPartVarargs(Z_H_array, 1, 1, new Varargs.ArrayPartVarargs(Z_H_array, 2, 6));
standardTestsA_G(a_g);
a_g = new Varargs.ArrayPartVarargs(Z_H_array, 1, 2, new Varargs.ArrayPartVarargs(Z_H_array, 3, 5));
standardTestsA_G(a_g);
a_g = new Varargs.ArrayPartVarargs(Z_H_array, 1, 3, new Varargs.ArrayPartVarargs(Z_H_array, 4, 4));
standardTestsA_G(a_g);
a_g = new Varargs.ArrayPartVarargs(Z_H_array, 1, 4, new Varargs.ArrayPartVarargs(Z_H_array, 5, 3));
standardTestsA_G(a_g);
a_g = new Varargs.ArrayPartVarargs(Z_H_array, 1, 5, new Varargs.ArrayPartVarargs(Z_H_array, 6, 2));
standardTestsA_G(a_g);
a_g = new Varargs.ArrayPartVarargs(Z_H_array, 1, 6, new Varargs.ArrayPartVarargs(Z_H_array, 7, 1));
standardTestsA_G(a_g);
}
static void expectNegSubargsError(Varargs v) {
String expected_msg = "bad argument #1: start must be > 0";
try {
v.subargs(0);
fail("Failed to throw exception for index 0");
} catch ( LuaError e ) {
assertEquals(expected_msg, e.getMessage());
}
try {
v.subargs(-1);
fail("Failed to throw exception for index -1");
} catch ( LuaError e ) {
assertEquals(expected_msg, e.getMessage());
}
}
}