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1
31 package org.jruby.test;
32
33 import org.jruby.Ruby;
34
35
38 public class TestRubyHash extends TestRubyBase {
39
40 private String  result;
41
42 public TestRubyHash(String name) {
43 super(name);
44 }
45
46 public void setUp() throws Exception {
47 if (runtime == null) {
48 runtime = Ruby.getDefaultInstance();
49 }
50 eval("$h = {'foo' => 'bar'}");
51 }
52
53 public void tearDown() {
54 super.tearDown();
55 }
56
57
61 public void testConstructors() throws Exception {
62 result = eval("hash = {'a', 100}; p hash");
63 assertEquals("{\"a\"=>100}", result);
64 result = eval("hash = Hash['b', 200]; p hash");
65 assertEquals("{\"b\"=>200}", result);
66 result = eval("hash = Hash.new(); p hash['test']");
67 assertEquals("nil", result);
68 result = eval("hash = Hash.new('default'); p hash['test']");
69 assertEquals("\"default\"", result);
70 }
71
72
76 public void testLookups() throws Exception {
77 result = eval("key = 'a'; hash = {key => 'one'}; hash.store('a', 'two'); puts hash[key]");
79 assertEquals("two", result);
80 result = eval("key = [1,2]; hash = {key => 'one'}; hash[[1,2]] = 'two'; puts hash[key]");
81 assertEquals("two", result);
82 result = eval("key = :a; hash = {key => 'one'}; hash[:a] = 'two'; puts hash[key]");
83 assertEquals("two", result);
84 result = eval("key = 1234; hash = {key => 'one'}; hash[1234] = 'two'; puts hash[key]");
85 assertEquals("two", result);
86 result = eval("key = 12.4; hash = {key => 'one'}; hash[12.4] = 'two'; puts hash[key]");
87 assertEquals("two", result);
88 result = eval("key = 19223372036854775807; hash = {key => 'one'}; hash[19223372036854775807] = 'two'; puts hash[key]");
89 assertEquals("two", result);
90 result = eval("key = /a/; hash = {key => 'one'}; hash[/a/] = 'two'; puts hash[key]");
92 assertEquals("two", result);
93 result = eval("key = (1..3); hash = {key => 'one'}; hash[(1..3)] = 'two'; puts hash[key]");
94 assertEquals("two", result);
95 }
96
97
100 public void testConversions() throws Exception {
101 result = eval("p $h.to_s");
102 assertEquals("\"foobar\"", result);
103 result = eval("p $h.to_a");
104 assertEquals("[[\"foo\", \"bar\"]]", result);
105 result = eval("p $h.to_hash");
106 assertEquals("{\"foo\"=>\"bar\"}", result);
107 }
108
109
112 public void testSizeRelated() throws Exception {
113 assertEquals("1", eval("p $h.size"));
114 assertEquals("1", eval("p $h.length"));
115 assertEquals("false", eval("p $h.empty?"));
116 assertEquals("true", eval("p Hash.new().empty?"));
117 }
118
119
122 public void testIterating() throws Exception {
123 assertEquals("[\"foo\", \"bar\"]", eval("$h.each {|pair| p pair}"));
124 assertEquals("{\"foo\"=>\"bar\"}", eval("p $h.each {|pair| }"));
125 assertTrue(eval("$h.each_pair {|pair| p pair}").indexOf("[\"foo\", \"bar\"]") != -1);
126 assertTrue(eval("p $h.each_pair {|pair| }").indexOf("{\"foo\"=>\"bar\"}") != -1);
127
128 assertEquals("\"foo\"", eval("$h.each_key {|k| p k}"));
129 assertEquals("{\"foo\"=>\"bar\"}", eval("p $h.each_key {|k| }"));
130
131 assertEquals("\"bar\"", eval("$h.each_value {|v| p v}"));
132 assertEquals("{\"foo\"=>\"bar\"}", eval("p $h.each_value {|v| }"));
133 }
134
135
138 public void testDeleting() throws Exception {
139 eval("$delete_h = {1=>2,3=>4}");
140 assertEquals("2", eval("p $delete_h.delete(1)"));
141 assertEquals("{3=>4}", eval("p $delete_h"));
142 assertEquals("nil", eval("p $delete_h.delete(100)"));
143 assertEquals("100", eval("$delete_h.delete(100) {|x| p x }"));
144
145 eval("$delete_h = {1=>2,3=>4,5=>6}");
146 assertEquals("{1=>2}", eval("p $delete_h.delete_if {|k,v| k >= 3}"));
147 assertEquals("{1=>2}", eval("p $delete_h"));
148
149 eval("$delete_h.clear");
150 assertEquals("{}", eval("p $delete_h"));
151
152 eval("$delete_h = {1=>2,3=>4,5=>6}");
153 assertEquals("{1=>2}", eval("p $delete_h.reject {|k,v| k >= 3}"));
154 assertEquals("3", eval("p $delete_h.size"));
155
156 eval("$delete_h = {1=>2,3=>4,5=>6}");
157 eval("p $delete_h");
158
159 assertEquals("{1=>2}", eval("p $delete_h.reject! {|k,v| k >= 3}"));
160 assertEquals("1", eval("p $delete_h.size"));
161 assertEquals("nil", eval("p $delete_h.reject! {|k,v| false}"));
162 }
163
164
167 public void testDefault() throws Exception {
168 assertEquals("nil", eval("p $h['njet']"));
169 assertEquals("nil", eval("p $h.default"));
170 eval("$h.default = 'missing'");
171 assertEquals("\"missing\"", eval("p $h['njet']"));
172 assertEquals("\"missing\"", eval("p $h.default"));
173 }
174
175
178 public void testRestructuring() throws Exception {
179 eval("$h_sort = {\"a\"=>20,\"b\"=>30,\"c\"=>10}");
180 assertEquals("[[\"a\", 20], [\"b\", 30], [\"c\", 10]]",
181 eval("p $h_sort.sort"));
182 assertEquals("[[\"c\", 10], [\"a\", 20], [\"b\", 30]]",
183 eval("p $h_sort.sort {|a,b| a[1]<=>b[1]}"));
184
185 eval("$h_invert = {\"n\"=>100,\"y\"=>300,\"d\"=>200,\"a\"=>0}");
186 assertEquals("[[0, \"a\"], [100, \"n\"], [200, \"d\"], [300, \"y\"]]",
187 eval("p $h_invert.invert.sort"));
188 }
189 }
190 |
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