lldb/unittests/Host/XMLTest.cpp

   1 //===-- XMLTest.cpp -------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "lldb/Host/XML.h"
  10 #include "gtest/gtest.h"
  11
  12 using namespace lldb_private;
  13
  14 #if LLDB_ENABLE_LIBXML2
  15
  16 static void assertGetElement(XMLNode &root, const char *element_name,
  17                              bool expected_uint_success, uint64_t expected_uint,
  18                              bool expected_double_success,
  19                              double expected_double) {
  20   XMLNode node = root.FindFirstChildElementWithName(element_name);
  21   ASSERT_TRUE(node.IsValid());
  22
  23   uint64_t uint_val;
  24   EXPECT_EQ(node.GetElementTextAsUnsigned(uint_val, 66, 0),
  25             expected_uint_success);
  26   EXPECT_EQ(uint_val, expected_uint);
  27
  28   double double_val;
  29   EXPECT_EQ(node.GetElementTextAsFloat(double_val, 66.0),
  30             expected_double_success);
  31   EXPECT_EQ(double_val, expected_double);
  32
  33   XMLNode attr_node = root.FindFirstChildElementWithName("attr");
  34   ASSERT_TRUE(node.IsValid());
  35
  36   EXPECT_EQ(
  37       attr_node.GetAttributeValueAsUnsigned(element_name, uint_val, 66, 0),
  38       expected_uint_success);
  39   EXPECT_EQ(uint_val, expected_uint);
  40 }
  41
  42 #define ASSERT_GET(element_name, ...)                                          \
  43   {                                                                            \
  44     SCOPED_TRACE("at element/attribute " element_name);                        \
  45     assertGetElement(root, element_name, __VA_ARGS__);                         \
  46   }
  47
  48 TEST(XML, GetAs) {
  49   std::string test_xml =
  50       "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
  51       "<test>\n"
  52       "  <empty/>\n"
  53       "  <text>123foo</text>\n"
  54       "  <positive-int>11</positive-int>\n"
  55       "  <negative-int>-11</negative-int>\n"
  56       "  <positive-overflow>18446744073709551616</positive-overflow>\n"
  57       "  <negative-overflow>-9223372036854775809</negative-overflow>\n"
  58       "  <hex>0x1234</hex>\n"
  59       "  <positive-float>12.5</positive-float>\n"
  60       "  <negative-float>-12.5</negative-float>\n"
  61       "  <attr empty=\"\"\n"
  62       "        text=\"123foo\"\n"
  63       "        positive-int=\"11\"\n"
  64       "        negative-int=\"-11\"\n"
  65       "        positive-overflow=\"18446744073709551616\"\n"
  66       "        negative-overflow=\"-9223372036854775809\"\n"
  67       "        hex=\"0x1234\"\n"
  68       "        positive-float=\"12.5\"\n"
  69       "        negative-float=\"-12.5\"\n"
  70       "       />\n"
  71       "</test>\n";
  72
  73   XMLDocument doc;
  74   ASSERT_TRUE(doc.ParseMemory(test_xml.data(), test_xml.size()));
  75
  76   XMLNode root = doc.GetRootElement();
  77   ASSERT_TRUE(root.IsValid());
  78
  79   ASSERT_GET("empty", false, 66, false, 66.0);
  80   ASSERT_GET("text", false, 66, false, 66.0);
  81   ASSERT_GET("positive-int", true, 11, true, 11.0);
  82   ASSERT_GET("negative-int", false, 66, true, -11.0);
  83   ASSERT_GET("positive-overflow", false, 66, true, 18446744073709551616.0);
  84   ASSERT_GET("negative-overflow", false, 66, true, -9223372036854775809.0);
  85   ASSERT_GET("hex", true, 0x1234, true, 4660.0);
  86   ASSERT_GET("positive-float", false, 66, true, 12.5);
  87   ASSERT_GET("negative-float", false, 66, true, -12.5);
  88 }
  89
  90 #else // !LLDB_ENABLE_LIBXML2
  91
  92 TEST(XML, GracefulNoXML) {
  93   std::string test_xml =
  94       "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
  95       "<test>\n"
  96       "  <text attribute=\"123\">123</text>\n"
  97       "</test>\n";
  98
  99   XMLDocument doc;
 100   ASSERT_FALSE(doc.ParseMemory(test_xml.data(), test_xml.size()));
 101
 102   XMLNode root = doc.GetRootElement();
 103   EXPECT_FALSE(root.IsValid());
 104
 105   XMLNode node = root.FindFirstChildElementWithName("text");
 106   EXPECT_FALSE(node.IsValid());
 107
 108   uint64_t uint_val;
 109   EXPECT_FALSE(node.GetElementTextAsUnsigned(uint_val, 66, 0));
 110   EXPECT_EQ(uint_val, 66U);
 111   EXPECT_FALSE(node.GetAttributeValueAsUnsigned("attribute", uint_val, 66, 0));
 112   EXPECT_EQ(uint_val, 66U);
 113
 114   double double_val;
 115   EXPECT_FALSE(node.GetElementTextAsFloat(double_val, 66.0));
 116   EXPECT_EQ(double_val, 66.0);
 117 }
 118
 119 #endif // LLDB_ENABLE_LIBXML2