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annotate unittests/Support/YAMLParserTest.cpp @ 146:3fc4d5c3e21e

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set tail call flag for code segment in CGCAll
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 23 Dec 2018 19:23:36 +0900
parents 3a76565eade5
children c2174574ed3a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 //===- unittest/Support/YAMLParserTest ------------------------------------===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9
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10 #include "llvm/Support/YAMLParser.h"
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11 #include "llvm/ADT/Twine.h"
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12 #include "llvm/Support/Casting.h"
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13 #include "llvm/Support/MemoryBuffer.h"
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14 #include "llvm/Support/SourceMgr.h"
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15 #include "gtest/gtest.h"
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16
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17 namespace llvm {
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18
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19 static void SuppressDiagnosticsOutput(const SMDiagnostic &, void *) {
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20 // Prevent SourceMgr from writing errors to stderr
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21 // to reduce noise in unit test runs.
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22 }
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23
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24 // Assumes Ctx is an SMDiagnostic where Diag can be stored.
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25 static void CollectDiagnosticsOutput(const SMDiagnostic &Diag, void *Ctx) {
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26 SMDiagnostic* DiagOut = static_cast<SMDiagnostic*>(Ctx);
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27 *DiagOut = Diag;
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28 }
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29
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30 // Checks that the given input gives a parse error. Makes sure that an error
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31 // text is available and the parse fails.
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32 static void ExpectParseError(StringRef Message, StringRef Input) {
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33 SourceMgr SM;
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34 yaml::Stream Stream(Input, SM);
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35 SM.setDiagHandler(SuppressDiagnosticsOutput);
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36 EXPECT_FALSE(Stream.validate()) << Message << ": " << Input;
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37 EXPECT_TRUE(Stream.failed()) << Message << ": " << Input;
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38 }
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39
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40 // Checks that the given input can be parsed without error.
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41 static void ExpectParseSuccess(StringRef Message, StringRef Input) {
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42 SourceMgr SM;
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43 yaml::Stream Stream(Input, SM);
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44 EXPECT_TRUE(Stream.validate()) << Message << ": " << Input;
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45 }
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46
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47 TEST(YAMLParser, ParsesEmptyArray) {
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48 ExpectParseSuccess("Empty array", "[]");
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49 }
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50
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51 TEST(YAMLParser, FailsIfNotClosingArray) {
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52 ExpectParseError("Not closing array", "[");
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53 ExpectParseError("Not closing array", " [ ");
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54 ExpectParseError("Not closing array", " [x");
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55 }
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56
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57 TEST(YAMLParser, ParsesEmptyArrayWithWhitespace) {
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58 ExpectParseSuccess("Array with spaces", " [ ] ");
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59 ExpectParseSuccess("All whitespaces", "\t\r\n[\t\n \t\r ]\t\r \n\n");
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60 }
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61
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62 TEST(YAMLParser, ParsesEmptyObject) {
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63 ExpectParseSuccess("Empty object", "[{}]");
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64 }
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65
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66 TEST(YAMLParser, ParsesObject) {
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67 ExpectParseSuccess("Object with an entry", "[{\"a\":\"/b\"}]");
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68 }
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69
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70 TEST(YAMLParser, ParsesMultipleKeyValuePairsInObject) {
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71 ExpectParseSuccess("Multiple key, value pairs",
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72 "[{\"a\":\"/b\",\"c\":\"d\",\"e\":\"f\"}]");
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73 }
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74
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75 TEST(YAMLParser, FailsIfNotClosingObject) {
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76 ExpectParseError("Missing close on empty", "[{]");
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77 ExpectParseError("Missing close after pair", "[{\"a\":\"b\"]");
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78 }
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79
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80 TEST(YAMLParser, FailsIfMissingColon) {
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81 ExpectParseError("Missing colon between key and value", "[{\"a\"\"/b\"}]");
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82 ExpectParseError("Missing colon between key and value", "[{\"a\" \"b\"}]");
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83 }
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84
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85 TEST(YAMLParser, FailsOnMissingQuote) {
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86 ExpectParseError("Missing open quote", "[{a\":\"b\"}]");
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87 ExpectParseError("Missing closing quote", "[{\"a\":\"b}]");
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88 }
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89
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90 TEST(YAMLParser, ParsesEscapedQuotes) {
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91 ExpectParseSuccess("Parses escaped string in key and value",
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92 "[{\"a\":\"\\\"b\\\" \\\" \\\"\"}]");
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93 }
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94
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95 TEST(YAMLParser, ParsesEmptyString) {
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96 ExpectParseSuccess("Parses empty string in value", "[{\"a\":\"\"}]");
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97 }
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98
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99 TEST(YAMLParser, ParsesMultipleObjects) {
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100 ExpectParseSuccess(
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101 "Multiple objects in array",
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102 "["
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103 " { \"a\" : \"b\" },"
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104 " { \"a\" : \"b\" },"
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105 " { \"a\" : \"b\" }"
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106 "]");
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107 }
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108
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109 TEST(YAMLParser, FailsOnMissingComma) {
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110 ExpectParseError(
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111 "Missing comma",
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112 "["
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113 " { \"a\" : \"b\" }"
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114 " { \"a\" : \"b\" }"
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115 "]");
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116 }
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117
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118 TEST(YAMLParser, ParsesSpacesInBetweenTokens) {
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119 ExpectParseSuccess(
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120 "Various whitespace between tokens",
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121 " \t \n\n \r [ \t \n\n \r"
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122 " \t \n\n \r { \t \n\n \r\"a\"\t \n\n \r :"
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123 " \t \n\n \r \"b\"\t \n\n \r } \t \n\n \r,\t \n\n \r"
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124 " \t \n\n \r { \t \n\n \r\"a\"\t \n\n \r :"
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125 " \t \n\n \r \"b\"\t \n\n \r } \t \n\n \r]\t \n\n \r");
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126 }
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127
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128 TEST(YAMLParser, ParsesArrayOfArrays) {
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parents:
diff changeset
129 ExpectParseSuccess("Array of arrays", "[[]]");
95c75e76d11b LLVM 3.4
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parents:
diff changeset
130 }
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parents:
diff changeset
131
95
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diff changeset
132 TEST(YAMLParser, ParsesBlockLiteralScalars) {
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diff changeset
133 ExpectParseSuccess("Block literal scalar", "test: |\n Hello\n World\n");
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parents: 77
diff changeset
134 ExpectParseSuccess("Block literal scalar EOF", "test: |\n Hello\n World");
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
135 ExpectParseSuccess("Empty block literal scalar header EOF", "test: | ");
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
136 ExpectParseSuccess("Empty block literal scalar", "test: |\ntest2: 20");
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
137 ExpectParseSuccess("Empty block literal scalar 2", "- | \n \n\n \n- 42");
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
138 ExpectParseSuccess("Block literal scalar in sequence",
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parents: 77
diff changeset
139 "- |\n Testing\n Out\n\n- 22");
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
140 ExpectParseSuccess("Block literal scalar in document",
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
141 "--- |\n Document\n...");
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
142 ExpectParseSuccess("Empty non indented lines still count",
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
143 "- |\n First line\n \n\n Another line\n\n- 2");
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parents: 77
diff changeset
144 ExpectParseSuccess("Comment in block literal scalar header",
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 77
diff changeset
145 "test: | # Comment \n No Comment\ntest 2: | # Void");
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
146 ExpectParseSuccess("Chomping indicators in block literal scalar header",
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parents: 77
diff changeset
147 "test: |- \n Hello\n\ntest 2: |+ \n\n World\n\n\n");
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parents: 77
diff changeset
148 ExpectParseSuccess("Indent indicators in block literal scalar header",
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parents: 77
diff changeset
149 "test: |1 \n \n Hello \n World\n");
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parents: 77
diff changeset
150 ExpectParseSuccess("Chomping and indent indicators in block literals",
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parents: 77
diff changeset
151 "test: |-1\n Hello\ntest 2: |9+\n World");
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parents: 77
diff changeset
152 ExpectParseSuccess("Trailing comments in block literals",
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parents: 77
diff changeset
153 "test: |\n Content\n # Trailing\n #Comment\ntest 2: 3");
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parents: 77
diff changeset
154 ExpectParseError("Invalid block scalar header", "test: | failure");
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parents: 77
diff changeset
155 ExpectParseError("Invalid line indentation", "test: |\n First line\n Error");
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
156 ExpectParseError("Long leading space line", "test: |\n \n Test\n");
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parents: 77
diff changeset
157 }
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parents: 77
diff changeset
158
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parents: 77
diff changeset
159 TEST(YAMLParser, NullTerminatedBlockScalars) {
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diff changeset
160 SourceMgr SM;
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parents: 77
diff changeset
161 yaml::Stream Stream("test: |\n Hello\n World\n", SM);
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parents: 77
diff changeset
162 yaml::Document &Doc = *Stream.begin();
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parents: 77
diff changeset
163 yaml::MappingNode *Map = cast<yaml::MappingNode>(Doc.getRoot());
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
164 StringRef Value =
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
165 cast<yaml::BlockScalarNode>(Map->begin()->getValue())->getValue();
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parents: 77
diff changeset
166
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parents: 77
diff changeset
167 EXPECT_EQ(Value, "Hello\nWorld\n");
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
168 EXPECT_EQ(Value.data()[Value.size()], '\0');
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parents: 77
diff changeset
169 }
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parents: 77
diff changeset
170
0
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parents:
diff changeset
171 TEST(YAMLParser, HandlesEndOfFileGracefully) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
172 ExpectParseError("In string starting with EOF", "[\"");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
173 ExpectParseError("In string hitting EOF", "[\" ");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
174 ExpectParseError("In string escaping EOF", "[\" \\");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
175 ExpectParseError("In array starting with EOF", "[");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
176 ExpectParseError("In array element starting with EOF", "[[], ");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
177 ExpectParseError("In array hitting EOF", "[[] ");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
178 ExpectParseError("In array hitting EOF", "[[]");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
179 ExpectParseError("In object hitting EOF", "{\"\"");
95c75e76d11b LLVM 3.4
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parents:
diff changeset
180 }
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parents:
diff changeset
181
95
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parents: 77
diff changeset
182 TEST(YAMLParser, HandlesNullValuesInKeyValueNodesGracefully) {
134
3a76565eade5 update 5.0.1
mir3636
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diff changeset
183 ExpectParseError("KeyValueNode with null key", "? \"\n:");
95
afa8332a0e37 LLVM 3.8
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parents: 77
diff changeset
184 ExpectParseError("KeyValueNode with null value", "test: '");
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parents: 77
diff changeset
185 }
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diff changeset
186
0
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parents:
diff changeset
187 // Checks that the given string can be parsed into an identical string inside
95c75e76d11b LLVM 3.4
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parents:
diff changeset
188 // of an array.
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parents:
diff changeset
189 static void ExpectCanParseString(StringRef String) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
190 std::string StringInArray = (llvm::Twine("[\"") + String + "\"]").str();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
191 SourceMgr SM;
95c75e76d11b LLVM 3.4
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parents:
diff changeset
192 yaml::Stream Stream(StringInArray, SM);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
193 yaml::SequenceNode *ParsedSequence
95c75e76d11b LLVM 3.4
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parents:
diff changeset
194 = dyn_cast<yaml::SequenceNode>(Stream.begin()->getRoot());
95c75e76d11b LLVM 3.4
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parents:
diff changeset
195 StringRef ParsedString
95c75e76d11b LLVM 3.4
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parents:
diff changeset
196 = dyn_cast<yaml::ScalarNode>(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
197 static_cast<yaml::Node*>(ParsedSequence->begin()))->getRawValue();
95c75e76d11b LLVM 3.4
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parents:
diff changeset
198 ParsedString = ParsedString.substr(1, ParsedString.size() - 2);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
199 EXPECT_EQ(String, ParsedString.str());
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parents:
diff changeset
200 }
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parents:
diff changeset
201
95c75e76d11b LLVM 3.4
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parents:
diff changeset
202 // Checks that parsing the given string inside an array fails.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
203 static void ExpectCannotParseString(StringRef String) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
204 std::string StringInArray = (llvm::Twine("[\"") + String + "\"]").str();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
205 ExpectParseError((Twine("When parsing string \"") + String + "\"").str(),
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
206 StringInArray);
95c75e76d11b LLVM 3.4
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parents:
diff changeset
207 }
95c75e76d11b LLVM 3.4
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parents:
diff changeset
208
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
209 TEST(YAMLParser, ParsesStrings) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
210 ExpectCanParseString("");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
211 ExpectCannotParseString("\\");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
212 ExpectCannotParseString("\"");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
213 ExpectCanParseString(" ");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
214 ExpectCanParseString("\\ ");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
215 ExpectCanParseString("\\\"");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
216 ExpectCannotParseString("\"\\");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
217 ExpectCannotParseString(" \\");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
218 ExpectCanParseString("\\\\");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
219 ExpectCannotParseString("\\\\\\");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
220 ExpectCanParseString("\\\\\\\\");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
221 ExpectCanParseString("\\\" ");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
222 ExpectCannotParseString("\\\\\" ");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
223 ExpectCanParseString("\\\\\\\" ");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
224 ExpectCanParseString(" \\\\ \\\" \\\\\\\" ");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
225 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
226
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
227 TEST(YAMLParser, WorksWithIteratorAlgorithms) {
95c75e76d11b LLVM 3.4
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parents:
diff changeset
228 SourceMgr SM;
95c75e76d11b LLVM 3.4
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parents:
diff changeset
229 yaml::Stream Stream("[\"1\", \"2\", \"3\", \"4\", \"5\", \"6\"]", SM);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
230 yaml::SequenceNode *Array
95c75e76d11b LLVM 3.4
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parents:
diff changeset
231 = dyn_cast<yaml::SequenceNode>(Stream.begin()->getRoot());
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
232 EXPECT_EQ(6, std::distance(Array->begin(), Array->end()));
95c75e76d11b LLVM 3.4
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parents:
diff changeset
233 }
95c75e76d11b LLVM 3.4
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parents:
diff changeset
234
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
235 TEST(YAMLParser, DefaultDiagnosticFilename) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
236 SourceMgr SM;
95c75e76d11b LLVM 3.4
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parents:
diff changeset
237
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
238 SMDiagnostic GeneratedDiag;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
239 SM.setDiagHandler(CollectDiagnosticsOutput, &GeneratedDiag);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
240
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
241 // When we construct a YAML stream over an unnamed string,
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
242 // the filename is hard-coded as "YAML".
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
243 yaml::Stream UnnamedStream("[]", SM);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
244 UnnamedStream.printError(UnnamedStream.begin()->getRoot(), "Hello, World!");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
245 EXPECT_EQ("YAML", GeneratedDiag.getFilename());
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
246 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
247
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
248 TEST(YAMLParser, DiagnosticFilenameFromBufferID) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
249 SourceMgr SM;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
250
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
251 SMDiagnostic GeneratedDiag;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
252 SM.setDiagHandler(CollectDiagnosticsOutput, &GeneratedDiag);
95c75e76d11b LLVM 3.4
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parents:
diff changeset
253
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
254 // When we construct a YAML stream over a named buffer,
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
255 // we get its ID as filename in diagnostics.
77
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
256 std::unique_ptr<MemoryBuffer> Buffer =
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257 MemoryBuffer::getMemBuffer("[]", "buffername.yaml");
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258 yaml::Stream Stream(Buffer->getMemBufferRef(), SM);
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259 Stream.printError(Stream.begin()->getRoot(), "Hello, World!");
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260 EXPECT_EQ("buffername.yaml", GeneratedDiag.getFilename());
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261 }
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262
100
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263 TEST(YAMLParser, SameNodeIteratorOperatorNotEquals) {
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264 SourceMgr SM;
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265 yaml::Stream Stream("[\"1\", \"2\"]", SM);
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266
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267 yaml::SequenceNode *Node = dyn_cast<yaml::SequenceNode>(
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268 Stream.begin()->getRoot());
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269
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270 auto Begin = Node->begin();
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271 auto End = Node->end();
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272
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273 EXPECT_TRUE(Begin != End);
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274 EXPECT_FALSE(Begin != Begin);
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275 EXPECT_FALSE(End != End);
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276 }
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277
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278 TEST(YAMLParser, SameNodeIteratorOperatorEquals) {
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279 SourceMgr SM;
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280 yaml::Stream Stream("[\"1\", \"2\"]", SM);
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281
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282 yaml::SequenceNode *Node = dyn_cast<yaml::SequenceNode>(
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283 Stream.begin()->getRoot());
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284
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285 auto Begin = Node->begin();
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286 auto End = Node->end();
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287
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288 EXPECT_FALSE(Begin == End);
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289 EXPECT_TRUE(Begin == Begin);
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290 EXPECT_TRUE(End == End);
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291 }
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292
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293 TEST(YAMLParser, DifferentNodesIteratorOperatorNotEquals) {
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294 SourceMgr SM;
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295 yaml::Stream Stream("[\"1\", \"2\"]", SM);
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296 yaml::Stream AnotherStream("[\"1\", \"2\"]", SM);
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297
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298 yaml::SequenceNode *Node = dyn_cast<yaml::SequenceNode>(
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299 Stream.begin()->getRoot());
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300 yaml::SequenceNode *AnotherNode = dyn_cast<yaml::SequenceNode>(
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301 AnotherStream.begin()->getRoot());
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302
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303 auto Begin = Node->begin();
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304 auto End = Node->end();
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305
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306 auto AnotherBegin = AnotherNode->begin();
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307 auto AnotherEnd = AnotherNode->end();
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308
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309 EXPECT_TRUE(Begin != AnotherBegin);
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310 EXPECT_TRUE(Begin != AnotherEnd);
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311 EXPECT_FALSE(End != AnotherEnd);
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312 }
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313
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314 TEST(YAMLParser, DifferentNodesIteratorOperatorEquals) {
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315 SourceMgr SM;
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316 yaml::Stream Stream("[\"1\", \"2\"]", SM);
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317 yaml::Stream AnotherStream("[\"1\", \"2\"]", SM);
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318
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319 yaml::SequenceNode *Node = dyn_cast<yaml::SequenceNode>(
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320 Stream.begin()->getRoot());
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321 yaml::SequenceNode *AnotherNode = dyn_cast<yaml::SequenceNode>(
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322 AnotherStream.begin()->getRoot());
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323
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324 auto Begin = Node->begin();
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325 auto End = Node->end();
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326
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327 auto AnotherBegin = AnotherNode->begin();
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328 auto AnotherEnd = AnotherNode->end();
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329
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330 EXPECT_FALSE(Begin == AnotherBegin);
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331 EXPECT_FALSE(Begin == AnotherEnd);
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332 EXPECT_TRUE(End == AnotherEnd);
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333 }
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334
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335 } // end namespace llvm