| /* |
| * Copyright 2016 Google Inc. All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.turbine.parse; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.common.base.Joiner; |
| import com.google.turbine.diag.SourceFile; |
| import java.util.Arrays; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class VariableInitializerTest { |
| |
| @Parameters |
| public static Iterable<Object[]> parameters() { |
| return Arrays.asList( |
| new Object[][] { |
| { |
| "a = List<A, B<C, D>, G>::asd, b = 2;", |
| "[IDENT(a), ASSIGN, IDENT(List), COLONCOLON, IDENT(asd), EOF]," |
| + " [IDENT(b), ASSIGN, INT_LITERAL(2), EOF]", |
| }, |
| { |
| "a = new List<A, B<C, D>, G>(), b = 2;", |
| "[IDENT(a), ASSIGN, NEW, IDENT(List), LPAREN, RPAREN, EOF]," |
| + " [IDENT(b), ASSIGN, INT_LITERAL(2), EOF]", |
| }, |
| { |
| "a = x < y, b = y > x;", |
| "[IDENT(a), ASSIGN, IDENT(x), LT, IDENT(y), EOF]," |
| + " [IDENT(b), ASSIGN, IDENT(y), GT, IDENT(x), EOF]", |
| }, |
| { |
| "a = List<A, Q<B<C, D<E, F>>>, G>::asd, b = 2;", |
| "[IDENT(a), ASSIGN, IDENT(List), COLONCOLON, IDENT(asd), EOF]," |
| + " [IDENT(b), ASSIGN, INT_LITERAL(2), EOF]" |
| }, |
| { |
| "a = 1, b[], c = 2, d[] = 3, f", |
| "[IDENT(a), ASSIGN, INT_LITERAL(1), EOF]," |
| + " [IDENT(b), LBRACK, RBRACK, EOF]," |
| + " [IDENT(c), ASSIGN, INT_LITERAL(2), EOF]," |
| + " [IDENT(d), LBRACK, RBRACK, ASSIGN, INT_LITERAL(3), EOF]," |
| + " [IDENT(f), EOF]" |
| }, |
| { |
| "a = (x) -> {{return asd<asd>::asd;}}, b = 2;", |
| "[IDENT(a), ASSIGN, LPAREN, IDENT(x), RPAREN, ARROW, LBRACE, LBRACE, RETURN," |
| + " IDENT(asd), LT, IDENT(asd)," |
| + " GT, COLONCOLON, IDENT(asd), SEMI, RBRACE, RBRACE, EOF]," |
| + " [IDENT(b), ASSIGN, INT_LITERAL(2), EOF]", |
| }, |
| { |
| "a = List<A, B<C, D>>::asd, b = 2;", |
| "[IDENT(a), ASSIGN, IDENT(List), COLONCOLON, IDENT(asd), EOF]," |
| + " [IDENT(b), ASSIGN, INT_LITERAL(2), EOF]", |
| }, |
| { |
| "a = ((int) 1) + 2, b = 2;", |
| "[IDENT(a), ASSIGN, LPAREN, LPAREN, INT, RPAREN, INT_LITERAL(1), RPAREN, PLUS," |
| + " INT_LITERAL(2), EOF]," |
| + " [IDENT(b), ASSIGN, INT_LITERAL(2), EOF]", |
| }, |
| { |
| "a = ImmutableList.<List<String>>of(), b = 2;", |
| "[IDENT(a), ASSIGN, IDENT(ImmutableList), DOT, IDENT(of), LPAREN, RPAREN, EOF]," |
| + " [IDENT(b), ASSIGN, INT_LITERAL(2), EOF]", |
| }, |
| { |
| "a = new <X,Y> F<U,V>.G<M,N<X<?>>>(), b = 2;", |
| "[IDENT(a), ASSIGN, NEW, IDENT(F), IDENT(G), LPAREN, RPAREN, EOF]," |
| + " [IDENT(b), ASSIGN, INT_LITERAL(2), EOF]", |
| }, |
| { |
| "a = new <X,Y> F<U,V>.G<M,N<X<?>>>(), b = 2;", |
| "[IDENT(a), ASSIGN, NEW, IDENT(F), IDENT(G), LPAREN, RPAREN, EOF]," |
| + " [IDENT(b), ASSIGN, INT_LITERAL(2), EOF]", |
| }, |
| { |
| "a = Foo::new<X>, b = 2;", |
| "[IDENT(a), ASSIGN, IDENT(Foo), COLONCOLON, LT, IDENT(X), GT, EOF]," |
| + " [IDENT(b), ASSIGN, INT_LITERAL(2), EOF]", |
| }, |
| { |
| "a = (x) -> { return (int) null; }, b = 2;", |
| "[IDENT(a), ASSIGN, LPAREN, IDENT(x), RPAREN, ARROW, LBRACE, RETURN, LPAREN, INT," |
| + " RPAREN, NULL, SEMI, RBRACE, EOF]," |
| + " [IDENT(b), ASSIGN, INT_LITERAL(2), EOF]", |
| }, |
| { |
| "a = a<b, c = c<d, e, f>::new;", |
| "[IDENT(a), ASSIGN, IDENT(a), LT, IDENT(b), EOF]," |
| + " [IDENT(c), ASSIGN, IDENT(c), COLONCOLON, EOF]", |
| }, |
| { |
| "a = a < b ? x -> g(ArrayList<String>::new) : null, c = c<d, e, f>::new;", |
| "[IDENT(a), ASSIGN, IDENT(a), LT, IDENT(b), COND, IDENT(x), ARROW, IDENT(g), LPAREN," |
| + " IDENT(ArrayList), LT, IDENT(String), GT, COLONCOLON, NEW, RPAREN, COLON, NULL," |
| + " EOF]," |
| + " [IDENT(c), ASSIGN, IDENT(c), COLONCOLON, EOF]", |
| }, |
| }); |
| } |
| |
| final String input; |
| final String expected; |
| |
| public VariableInitializerTest(String input, String expected) { |
| this.input = input; |
| this.expected = expected; |
| } |
| |
| @Test |
| public void test() { |
| Lexer lexer = new StreamLexer(new UnicodeEscapePreprocessor(new SourceFile(null, input))); |
| List<List<SavedToken>> initializers = |
| new VariableInitializerParser(lexer.next(), lexer).parseInitializers(); |
| assertThat(Joiner.on(", ").join(initializers)).isEqualTo(expected); |
| } |
| } |