1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
package com.seaofnodes.simple;
import com.seaofnodes.simple.node.*;
import com.seaofnodes.simple.type.TypeInteger;
import org.junit.Test;
import static org.junit.Assert.*;
public class Chapter04Test {
@Test
public void testPeephole() {
Parser parser = new Parser("return 1+arg+2; #showGraph;");
StopNode ret = parser.parse();
assertEquals("return (arg+3);", ret.print());
}
@Test
public void testPeephole2() {
Parser parser = new Parser("return (1+arg)+2;");
StopNode ret = parser.parse();
assertEquals("return (arg+3);", ret.print());
}
@Test
public void testAdd0() {
Parser parser = new Parser("return 0+arg;");
StopNode ret = parser.parse();
assertEquals("return arg;", ret.print());
}
@Test
public void testAddAddMul() {
Parser parser = new Parser("return arg+0+arg;");
StopNode ret = parser.parse();
assertEquals("return (arg*2);", ret.print());
}
@Test
public void testPeephole3() {
Parser parser = new Parser("return 1+arg+2+arg+3; #showGraph;");
StopNode ret = parser.parse();
assertEquals("return ((arg*2)+6);", ret.print());
}
@Test
public void testMul1() {
Parser parser = new Parser("return 1*arg;");
StopNode ret = parser.parse();
assertEquals("return arg;", ret.print());
}
@Test
public void testVarArg() {
Parser parser = new Parser("return arg; #showGraph;");
StopNode stop = parser.parse();
ReturnNode ret = stop.ret();
assertTrue(ret.in(0) instanceof ProjNode);
assertTrue(ret.in(1) instanceof ProjNode);
}
@Test
public void testConstantArg() {
Parser parser = new Parser("return arg; #showGraph;", TypeInteger.constant(2));
StopNode ret = parser.parse();
assertEquals("return 2;", ret.print());
}
@Test
public void testCompEq() {
Parser parser = new Parser("return 3==3; #showGraph;");
StopNode ret = parser.parse();
assertEquals("return 1;", ret.print());
}
@Test
public void testCompEq2() {
Parser parser = new Parser("return 3==4; #showGraph;");
StopNode ret = parser.parse();
assertEquals("return 0;", ret.print());
}
@Test
public void testCompNEq() {
Parser parser = new Parser("return 3!=3; #showGraph;");
StopNode ret = parser.parse();
assertEquals("return 0;", ret.print());
}
@Test
public void testCompNEq2() {
Parser parser = new Parser("return 3!=4; #showGraph;");
StopNode ret = parser.parse();
assertEquals("return 1;", ret.print());
}
@Test
public void testBug1() {
Parser parser = new Parser("int a=arg+1; int b=a; b=1; return a+2; #showGraph;");
StopNode ret = parser.parse();
assertEquals("return (arg+3);", ret.print());
}
@Test
public void testBug2() {
Parser parser = new Parser("int a=arg+1; a=a; return a; #showGraph;");
StopNode ret = parser.parse();
assertEquals("return (arg+1);", ret.print());
}
@Test
public void testBug3() {
try {
new Parser("inta=1; return a;").parse();
fail();
} catch( RuntimeException e ) {
assertEquals("Undefined name 'inta'",e.getMessage());
}
}
@Test
public void testBug4() {
Parser parser = new Parser("return -arg;");
StopNode ret = parser.parse();
assertEquals("return (-arg);", ret.print());
}
@Test
public void testBug5() {
Parser parser = new Parser("return arg--2;");
StopNode ret = parser.parse();
assertEquals("return (arg--2);", ret.print());
}
}
|
