1 // Copyright 2008 the V8 project authors. All rights reserved.
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2 // Redistribution and use in source and binary forms, with or without
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3 // modification, are permitted provided that the following conditions are
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6 // * Redistributions of source code must retain the above copyright
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7 // notice, this list of conditions and the following disclaimer.
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8 // * Redistributions in binary form must reproduce the above
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9 // copyright notice, this list of conditions and the following
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10 // disclaimer in the documentation and/or other materials provided
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11 // with the distribution.
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12 // * Neither the name of Google Inc. nor the names of its
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13 // contributors may be used to endorse or promote products derived
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14 // from this software without specific prior written permission.
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16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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28 // Flags: --expose-debug-as debug
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29 // For this test to work this file MUST have CR LF line endings.
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30 function a() { b(); };
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59 // Get the Debug object exposed from the debug context global object.
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62 // This is the number of comment lines above the first test function.
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63 var comment_lines = 29;
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65 // This is the last position in the entire file (note: this equals
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66 // file size of <debug-sourceinfo.js> - 1, since starting at 0).
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67 var last_position = 14312;
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68 // This is the last line of entire file (note: starting at 0).
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69 var last_line = 351;
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70 // This is the last column of last line (note: starting at 0 and +2, due
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71 // to trailing <CR><LF>).
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72 var last_column = 2;
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74 // This magic number is the length or the first line comment (actually number
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75 // of characters before 'function a(...'.
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76 var comment_line_length = 1726;
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77 var start_a = 10 + comment_line_length;
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78 var start_b = 37 + comment_line_length;
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79 var start_c = 71 + comment_line_length;
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80 var start_d = 163 + comment_line_length;
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82 // The position of the first line of d(), i.e. "x = 1 ;".
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83 var start_code_d = start_d + 7;
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84 // The line # of the first line of d() (note: starting at 0).
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85 var start_line_d = 41;
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86 var line_length_d = 11;
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87 var num_lines_d = 15;
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89 assertEquals(start_a, Debug.sourcePosition(a));
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90 assertEquals(start_b, Debug.sourcePosition(b));
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91 assertEquals(start_c, Debug.sourcePosition(c));
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92 assertEquals(start_d, Debug.sourcePosition(d));
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94 var script = Debug.findScript(a);
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95 assertTrue(script.data === Debug.findScript(b).data);
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96 assertTrue(script.data === Debug.findScript(c).data);
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97 assertTrue(script.data === Debug.findScript(d).data);
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98 assertTrue(script.source === Debug.findScript(b).source);
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99 assertTrue(script.source === Debug.findScript(c).source);
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100 assertTrue(script.source === Debug.findScript(d).source);
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102 // Test that when running through source positions the position, line and
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103 // column progresses as expected.
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107 for (var p = 0; p < 100; p++) {
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108 var location = script.locationFromPosition(p);
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110 assertEquals(position + 1, location.position);
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111 if (line == location.line) {
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112 assertEquals(column + 1, location.column);
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114 assertEquals(line + 1, location.line);
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115 assertEquals(0, location.column);
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118 assertEquals(0, location.position);
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119 assertEquals(0, location.line);
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120 assertEquals(0, location.column);
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123 // Remember the location.
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124 position = location.position;
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125 line = location.line;
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126 column = location.column;
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129 // Every line of d() is the same length. Verify we can loop through all
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130 // positions and find the right line # for each.
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131 var p = start_code_d;
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132 for (line = 0; line < num_lines_d; line++) {
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133 for (column = 0; column < line_length_d; column++) {
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134 var location = script.locationFromPosition(p);
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135 assertEquals(p, location.position);
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136 assertEquals(start_line_d + line, location.line);
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137 assertEquals(column, location.column);
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142 // Test first position.
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143 assertEquals(0, script.locationFromPosition(0).position);
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144 assertEquals(0, script.locationFromPosition(0).line);
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145 assertEquals(0, script.locationFromPosition(0).column);
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147 // Test second position.
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148 assertEquals(1, script.locationFromPosition(1).position);
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149 assertEquals(0, script.locationFromPosition(1).line);
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150 assertEquals(1, script.locationFromPosition(1).column);
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152 // Test first position in function a().
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153 assertEquals(start_a, script.locationFromPosition(start_a).position);
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154 assertEquals(0, script.locationFromPosition(start_a).line - comment_lines);
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155 assertEquals(10, script.locationFromPosition(start_a).column);
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157 // Test first position in function b().
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158 assertEquals(start_b, script.locationFromPosition(start_b).position);
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159 assertEquals(1, script.locationFromPosition(start_b).line - comment_lines);
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160 assertEquals(13, script.locationFromPosition(start_b).column);
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162 // Test first position in function c().
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163 assertEquals(start_c, script.locationFromPosition(start_c).position);
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164 assertEquals(4, script.locationFromPosition(start_c).line - comment_lines);
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165 assertEquals(12, script.locationFromPosition(start_c).column);
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167 // Test first position in function d().
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168 assertEquals(start_d, script.locationFromPosition(start_d).position);
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169 assertEquals(11, script.locationFromPosition(start_d).line - comment_lines);
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170 assertEquals(10, script.locationFromPosition(start_d).column);
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172 // Test first line.
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173 assertEquals(0, script.locationFromLine().position);
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174 assertEquals(0, script.locationFromLine().line);
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175 assertEquals(0, script.locationFromLine().column);
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176 assertEquals(0, script.locationFromLine(0).position);
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177 assertEquals(0, script.locationFromLine(0).line);
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178 assertEquals(0, script.locationFromLine(0).column);
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180 // Test first line column 1.
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181 assertEquals(1, script.locationFromLine(0, 1).position);
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182 assertEquals(0, script.locationFromLine(0, 1).line);
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183 assertEquals(1, script.locationFromLine(0, 1).column);
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185 // Test first line offset 1.
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186 assertEquals(1, script.locationFromLine(0, 0, 1).position);
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187 assertEquals(0, script.locationFromLine(0, 0, 1).line);
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188 assertEquals(1, script.locationFromLine(0, 0, 1).column);
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190 // Test offset function a().
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191 assertEquals(start_a, script.locationFromLine(void 0, void 0, start_a).position);
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192 assertEquals(0, script.locationFromLine(void 0, void 0, start_a).line - comment_lines);
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193 assertEquals(10, script.locationFromLine(void 0, void 0, start_a).column);
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194 assertEquals(start_a, script.locationFromLine(0, void 0, start_a).position);
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195 assertEquals(0, script.locationFromLine(0, void 0, start_a).line - comment_lines);
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196 assertEquals(10, script.locationFromLine(0, void 0, start_a).column);
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197 assertEquals(start_a, script.locationFromLine(0, 0, start_a).position);
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198 assertEquals(0, script.locationFromLine(0, 0, start_a).line - comment_lines);
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199 assertEquals(10, script.locationFromLine(0, 0, start_a).column);
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201 // Test second line offset function a().
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202 assertEquals(start_a + 14, script.locationFromLine(1, 0, start_a).position);
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203 assertEquals(1, script.locationFromLine(1, 0, start_a).line - comment_lines);
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204 assertEquals(0, script.locationFromLine(1, 0, start_a).column);
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206 // Test second line column 2 offset function a().
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207 assertEquals(start_a + 14 + 2, script.locationFromLine(1, 2, start_a).position);
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208 assertEquals(1, script.locationFromLine(1, 2, start_a).line - comment_lines);
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209 assertEquals(2, script.locationFromLine(1, 2, start_a).column);
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211 // Test offset function b().
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212 assertEquals(start_b, script.locationFromLine(0, 0, start_b).position);
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213 assertEquals(1, script.locationFromLine(0, 0, start_b).line - comment_lines);
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214 assertEquals(13, script.locationFromLine(0, 0, start_b).column);
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216 // Test second line offset function b().
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217 assertEquals(start_b + 6, script.locationFromLine(1, 0, start_b).position);
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218 assertEquals(2, script.locationFromLine(1, 0, start_b).line - comment_lines);
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219 assertEquals(0, script.locationFromLine(1, 0, start_b).column);
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221 // Test second line column 11 offset function b().
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222 assertEquals(start_b + 6 + 11, script.locationFromLine(1, 11, start_b).position);
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223 assertEquals(2, script.locationFromLine(1, 11, start_b).line - comment_lines);
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224 assertEquals(11, script.locationFromLine(1, 11, start_b).column);
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226 // Test second line column 12 offset function b. Second line in b is 11 long
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227 // using column 12 wraps to next line.
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228 assertEquals(start_b + 6 + 12, script.locationFromLine(1, 12, start_b).position);
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229 assertEquals(3, script.locationFromLine(1, 12, start_b).line - comment_lines);
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230 assertEquals(0, script.locationFromLine(1, 12, start_b).column);
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232 // Test the Debug.findSourcePosition which wraps SourceManager.
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233 assertEquals(0 + start_a, Debug.findFunctionSourceLocation(a, 0, 0).position);
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234 assertEquals(0 + start_b, Debug.findFunctionSourceLocation(b, 0, 0).position);
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235 assertEquals(6 + start_b, Debug.findFunctionSourceLocation(b, 1, 0).position);
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236 assertEquals(8 + start_b, Debug.findFunctionSourceLocation(b, 1, 2).position);
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237 assertEquals(18 + start_b, Debug.findFunctionSourceLocation(b, 2, 0).position);
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238 assertEquals(0 + start_c, Debug.findFunctionSourceLocation(c, 0, 0).position);
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239 assertEquals(7 + start_c, Debug.findFunctionSourceLocation(c, 1, 0).position);
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240 assertEquals(21 + start_c, Debug.findFunctionSourceLocation(c, 2, 0).position);
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241 assertEquals(38 + start_c, Debug.findFunctionSourceLocation(c, 3, 0).position);
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242 assertEquals(52 + start_c, Debug.findFunctionSourceLocation(c, 4, 0).position);
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243 assertEquals(69 + start_c, Debug.findFunctionSourceLocation(c, 5, 0).position);
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244 assertEquals(76 + start_c, Debug.findFunctionSourceLocation(c, 6, 0).position);
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245 assertEquals(0 + start_d, Debug.findFunctionSourceLocation(d, 0, 0).position);
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246 assertEquals(7 + start_d, Debug.findFunctionSourceLocation(d, 1, 0).position);
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247 for (i = 1; i <= num_lines_d; i++) {
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248 assertEquals(7 + (i * line_length_d) + start_d, Debug.findFunctionSourceLocation(d, (i + 1), 0).position);
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250 assertEquals(175 + start_d, Debug.findFunctionSourceLocation(d, 17, 0).position);
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252 // Make sure invalid inputs work properly.
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253 assertEquals(0, script.locationFromPosition(-1).line);
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254 assertEquals(null, script.locationFromPosition(last_position + 1));
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256 // Test last position.
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257 assertEquals(last_position, script.locationFromPosition(last_position).position);
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258 assertEquals(last_line, script.locationFromPosition(last_position).line);
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259 assertEquals(last_column, script.locationFromPosition(last_position).column);
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261 // Test source line and restriction. All the following tests start from line 1
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262 // column 2 in function b, which is the call to c.
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268 location = script.locationFromLine(1, 0, start_b);
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269 assertEquals(' c(true);', location.sourceText());
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271 result = ['c', ' c', ' c(', ' c(', ' c(t']
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272 for (var i = 1; i <= 5; i++) {
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273 location = script.locationFromLine(1, 2, start_b);
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274 location.restrict(i);
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275 assertEquals(result[i - 1], location.sourceText());
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278 location = script.locationFromLine(1, 2, start_b);
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279 location.restrict(1, 0);
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280 assertEquals('c', location.sourceText());
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282 location = script.locationFromLine(1, 2, start_b);
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283 location.restrict(2, 0);
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284 assertEquals('c(', location.sourceText());
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286 location = script.locationFromLine(1, 2, start_b);
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287 location.restrict(2, 1);
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288 assertEquals(' c', location.sourceText());
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290 location = script.locationFromLine(1, 2, start_b);
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291 location.restrict(2, 2);
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292 assertEquals(' c', location.sourceText());
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294 location = script.locationFromLine(1, 2, start_b);
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295 location.restrict(2, 3);
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296 assertEquals(' c', location.sourceText());
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298 location = script.locationFromLine(1, 2, start_b);
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299 location.restrict(3, 1);
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300 assertEquals(' c(', location.sourceText());
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302 location = script.locationFromLine(1, 2, start_b);
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303 location.restrict(5, 0);
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304 assertEquals('c(tru', location.sourceText());
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306 location = script.locationFromLine(1, 2, start_b);
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307 location.restrict(5, 2);
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308 assertEquals(' c(t', location.sourceText());
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310 location = script.locationFromLine(1, 2, start_b);
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311 location.restrict(5, 4);
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312 assertEquals(' c(t', location.sourceText());
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314 // All the following tests start from line 1 column 10 in function b, which is
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315 // the final character.
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319 location = script.locationFromLine(1, 10, start_b);
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320 location.restrict(5, 0);
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321 assertEquals('rue);', location.sourceText());
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323 location = script.locationFromLine(1, 10, start_b);
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324 location.restrict(7, 0);
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325 assertEquals('(true);', location.sourceText());
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327 // All the following tests start from line 1 column 0 in function b, which is
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328 // the first character.
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332 location = script.locationFromLine(1, 0, start_b);
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333 location.restrict(5, 0);
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334 assertEquals(' c(t', location.sourceText());
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336 location = script.locationFromLine(1, 0, start_b);
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337 location.restrict(5, 4);
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338 assertEquals(' c(t', location.sourceText());
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340 location = script.locationFromLine(1, 0, start_b);
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341 location.restrict(7, 0);
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342 assertEquals(' c(tru', location.sourceText());
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344 location = script.locationFromLine(1, 0, start_b);
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345 location.restrict(7, 6);
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346 assertEquals(' c(tru', location.sourceText());
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348 // Test that script.sourceLine(line) works.
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349 for (line = 0; line < num_lines_d; line++) {
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350 var line_content_regexp = new RegExp(" x = " + (line + 1));
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351 assertTrue(line_content_regexp.test(script.sourceLine(start_line_d + line)));
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