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17 package org.yaml.snakeyaml.types;
18
19 import java.io.IOException;
20 import java.util.HashMap;
21 import java.util.Map;
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26 public class FloatTagTest extends AbstractTest {
27
28 public void testFloat() throws IOException {
29 assertEquals(new Double(6.8523015e+5), getMapValue("canonical: 6.8523015e+5", "canonical"));
30 assertEquals(new Double(6.8523015e+5),
31 getMapValue("exponentioal: 685.230_15e+03", "exponentioal"));
32 assertEquals(new Double(6.8523015e+5), getMapValue("fixed: 685_230.15", "fixed"));
33 assertEquals(new Double(6.8523015e+5),
34 getMapValue("sexagesimal: 190:20:30.15", "sexagesimal"));
35 assertEquals(Double.NEGATIVE_INFINITY,
36 getMapValue("negative infinity: -.inf", "negative infinity"));
37 assertEquals(Double.NaN, getMapValue("not a number: .NaN", "not a number"));
38 }
39
40 public void testFloatShorthand() throws IOException {
41 assertEquals(new Double(1), getMapValue("number: !!float 1", "number"));
42 }
43
44 public void testFloatTag() throws IOException {
45 assertEquals(new Double(1), getMapValue("number: !<tag:yaml.org,2002:float> 1", "number"));
46 }
47
48 public void testFloatOut() throws IOException {
49 Map<String, Object> map = new HashMap<String, Object>();
50 map.put("number", new Double(1));
51 String output = dump(map);
52 assertEquals("{number: 1.0}\n", output);
53 }
54
55 public void testBasicDoubleScalarLoad() {
56 assertEquals(new Double(47.0), load("47.0"));
57 assertEquals(new Double(0.0), load("0.0"));
58 assertEquals(new Double(-1.0), load("-1.0"));
59 }
60
61 public void testDumpStr() {
62 assertEquals("'1.0'\n", dump("1.0"));
63 }
64
65 public void testDump() {
66 assertEquals("1.0\n", dump(1.0));
67 }
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72 public void testScientificFloatWithoutDecimalDot() throws IOException {
73 assertEquals(new Double(8e-06), load("8e-06"));
74 assertEquals(new Double(8e06), load("8e06"));
75 assertEquals(new Double(8e06), load("8e+06"));
76 assertEquals(new Double(8000e06), load("8_000e06"));
77 assertEquals(new Double(123e-06), load("123e-06"));
78 }
79 }