-
Notifications
You must be signed in to change notification settings - Fork 0
/
test.js
175 lines (145 loc) · 6.54 KB
/
test.js
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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
"use strict";
const seljs = require("."),
assert = require("assert"),
ctx = { int: 123, str: "123", obj: { int: 321, str: "321", obj: { deep: 333 } } };
//Simple values
assert.strictEqual(seljs("0", ctx), 0);
assert.strictEqual(seljs("123"), 123);
assert.strictEqual(seljs(" 123"), 123);
assert.strictEqual(seljs(" 123 "), 123);
assert.strictEqual(seljs("123 "), 123);
assert.strictEqual(seljs("''"), "");
assert.strictEqual(seljs("'A'"), "A");
assert.strictEqual(seljs("'123'"), "123");
assert.strictEqual(seljs(" '123'"), "123");
assert.strictEqual(seljs(" '123' "), "123");
assert.strictEqual(seljs("'123' "), "123");
assert.strictEqual(seljs("int", ctx), 123);
assert.strictEqual(seljs(" int", ctx), 123);
assert.strictEqual(seljs(" int ", ctx), 123);
assert.strictEqual(seljs("int ", ctx), 123);
//Some arithmetic
assert.strictEqual(seljs(" 1 + 3 * 2 / 4 - 1 * 2 "), 1 + 3 * 2 / 4 - 1 * 2);
assert.strictEqual(seljs("1+3*2/4-1*2"), 1 + 3 * 2 / 4 - 1 * 2);
assert.strictEqual(seljs("2/3-1+3*2/4"), 2 / 3 - 1 + 3 * 2 / 4);
//String concatenation
assert.strictEqual(seljs("'123' + '123'"), "123123");
assert.strictEqual(seljs("123 + '123'"), "123123");
assert.strictEqual(seljs("'123' + 123"), "123123");
//Known
assert.strictEqual(seljs("true"), true);
assert.strictEqual(seljs("true == 4 > 2"), true);
assert.strictEqual(seljs("false"), false);
assert.strictEqual(seljs("false == 3 < 3"), true);
assert.strictEqual(seljs("null"), null);
assert.strictEqual(seljs("null == banana", ctx), true);
//Relational
assert.strictEqual(seljs("0 > 1"), false);
assert.strictEqual(seljs("1 > 1"), false);
assert.strictEqual(seljs("2 > 1"), true);
assert.strictEqual(seljs("0 < 1"), true);
assert.strictEqual(seljs("1 < 1"), false);
assert.strictEqual(seljs("2 < 1"), false);
assert.strictEqual(seljs("0 >= 1"), false);
assert.strictEqual(seljs("1 >= 1"), true);
assert.strictEqual(seljs("2 >= 1"), true);
assert.strictEqual(seljs("0 <= 1"), true);
assert.strictEqual(seljs("1 <= 1"), true);
assert.strictEqual(seljs("2 <= 1"), false);
//Equality
assert.strictEqual(seljs("0 == 1"), false);
assert.strictEqual(seljs("1 == 1"), true);
assert.strictEqual(seljs("0 != 1"), true);
assert.strictEqual(seljs("1 != 1"), false);
//And and Or
assert.strictEqual(seljs("true && false"), true && false);
assert.strictEqual(seljs("true && true"), true && true);
assert.strictEqual(seljs("false && false"), false && false);
assert.strictEqual(seljs("false && true"), false && true);
assert.strictEqual(seljs("true || false"), true || false);
assert.strictEqual(seljs("true || true"), true || true);
assert.strictEqual(seljs("false || false"), false || false);
assert.strictEqual(seljs("false || true"), false || true);
//Precedence
assert.strictEqual(seljs("4 * 4 > 6 && 3 - 2 == 1"), true);
assert.strictEqual(seljs("true && false || 1"), 1);
assert.strictEqual(seljs("false || true && false"), false);
assert.strictEqual(seljs("5>3&&3>=3"), true);
assert.strictEqual(seljs("5>8||3<=3"), true);
//Identifiers and properties
assert.strictEqual(seljs("int+obj.int+obj.obj.deep", ctx), 123 + 321 + 333);
assert.strictEqual(seljs("obj.obj.deep - obj.int * obj.obj.deep", ctx), 333 - 321 * 333);
assert.strictEqual(seljs("2 * int - 3 * 2 - int", ctx), 2 * 123 - 3 * 2 - 123);
assert.strictEqual(seljs("str.length", ctx), 3);
//no proto
assert.strictEqual(seljs("str.substr", ctx), null);
//Null
assert.strictEqual(seljs("banana", ctx), null);
assert.strictEqual(seljs("banana.banana", ctx), null);
assert.strictEqual(seljs("obj.banana", ctx), null);
assert.strictEqual(seljs("obj.obj.banana", ctx), null);
//Groups
assert.strictEqual(seljs("(2 + 3) * 2"), 10);
assert.strictEqual(seljs("((2 * 1) + (3) * (2))"), 8);
assert.strictEqual(seljs("(int)", ctx), 123);
assert.strictEqual(seljs("(( ( (int)) ) +obj.int ) ", ctx), 123 + 321);
//TODO: Known tokens after dot
//assert.strictEqual(seljs("obj.true"), null);
//assert.strictEqual(seljs("obj.false"), null);
assert.strictEqual(seljs("obj.null", ctx), null);
//assert.strictEqual(seljs("obj.null", { obj: { null: 1 } }), 1);
//cache
assert.strictEqual(seljs.cache.clear(), undefined);
assert.strictEqual(seljs("1"), 1);
assert.strictEqual(seljs.cache.size, 1);
assert.strictEqual(seljs("1"), 1);
assert.strictEqual(seljs.cache.size, 1);
assert.strictEqual(seljs.cache.clear(), undefined);
assert.strictEqual(seljs.cache.size, 0);
assert.strictEqual(seljs("1"), 1);
assert.strictEqual(seljs.cache.size, 1);
//Errors
function wrapper(text, ctx) {
return function () {
return seljs(text, ctx);
};
}
function message(text) {
return function (error) {
return error.message === text;
};
}
//Empty
assert.throws(wrapper("", ctx), message("Empty expression"));
//Broken string
assert.throws(wrapper("'123"), message("Open token"));
assert.throws(wrapper("'"), message("Open token"));
assert.throws(wrapper("'123''"), message("Unexpected character ' at 5"));
assert.throws(wrapper("'123' + ' "), message("Open token"));
//Broken groups
assert.throws(wrapper("123 + 2)"), message("Missing left parenthesis"));
assert.throws(wrapper("12 (123)"), message("Unexpected character ( at 3"));
assert.throws(wrapper("(123) 'a'"), message("Unexpected character ' at 6"));
assert.throws(wrapper("("), message("Missing right parenthesis"));
assert.throws(wrapper("(123 + 2"), message("Missing right parenthesis"));
assert.throws(wrapper("(3 + (123 + 2) * 3"), message("Missing right parenthesis"));
//Invalid
assert.throws(wrapper("123x", ctx), message("Unexpected character x at 3"));
assert.throws(wrapper("asd.123x", ctx), message("Unexpected character . at 3"));
assert.throws(wrapper("asd.1", ctx), message("Unexpected character . at 3"));
//Zero
assert.throws(wrapper("00"), message("Unexpected character 0 at 1"));
assert.throws(wrapper("01"), message("Unexpected character 1 at 1"));
//Dot
assert.throws(wrapper("obj.", ctx), message("Unexpected character . at 3"));
assert.throws(wrapper("obj. int", ctx), message("Unexpected character . at 3"));
assert.throws(wrapper("obj .int", ctx), message("Unexpected character . at 4"));
assert.throws(wrapper("obj. + int", ctx), message("Unexpected character . at 3"));
//Operators
assert.throws(wrapper("* 123 123"), message("Unexpected character * at 0"));
assert.throws(wrapper("123 123 +"), message("Unexpected character 1 at 4"));
assert.throws(wrapper("123 +123 +"), message("Unexpected character + at 9"));
assert.throws(wrapper("123 + / 123"), message("Unexpected character / at 6"));
//Unknowm operators
assert.throws(wrapper("123 => 123"), message("Unknown operator = at 4"));
assert.throws(wrapper("123 === 123"), message("Unknown operator === at 4"));