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131
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1 /* { dg-do compile } */
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2 /* { dg-options "-O -fdiagnostics-show-caret -fdiagnostics-show-line-numbers" } */
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3
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4 /* This is a collection of unittests for diagnostic_show_locus;
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5 see the overview in diagnostic_plugin_test_show_locus.c.
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6
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7 In particular, note the discussion of why we need a very long line here:
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8 01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
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9 and that we can't use macros in this file. */
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10
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11 void test_simple (void)
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12 {
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13 #if 0
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14 myvar = myvar.x; /* { dg-warning "test" } */
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15
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16 /* { dg-begin-multiline-output "" }
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17 14 | myvar = myvar.x;
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18 | ~~~~~^~
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19 { dg-end-multiline-output "" } */
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20 #endif
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21 }
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22
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23 void test_multiline (void)
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24 {
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25 #if 0
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26 x = (first_function ()
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27 + second_function ()); /* { dg-warning "test" } */
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28
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29 /* { dg-begin-multiline-output "" }
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30 26 | x = (first_function ()
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31 | ~~~~~~~~~~~~~~~~~
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32 27 | + second_function ());
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33 | ^ ~~~~~~~~~~~~~~~~~~
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34 | |
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35 | label
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36 { dg-end-multiline-output "" } */
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37 #endif
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38 }
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39
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40 void test_very_wide_line (void)
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41 {
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42 #if 0
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43 float f = foo * bar; /* { dg-warning "95: test" } */
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44 /* { dg-begin-multiline-output "" }
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45 | 0 0 0 0 0 1 1
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46 | 5 6 7 8 9 0 1
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47 | 3456789012345678901234567890123456789012345678901234567890123456789012
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48 43 | float f = foo * bar;
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49 | ~~~~^~~~~
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50 | |
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51 | label 0
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52 | bar * foo
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53 { dg-end-multiline-output "" } */
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54 #endif
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55 }
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56
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57 /* Unit test for rendering of insertion fixit hints
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58 (example taken from PR 62316). */
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59
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60 void test_fixit_insert (void)
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61 {
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62 #if 0
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63 int a[2][2] = { 0, 1 , 2, 3 }; /* { dg-warning "insertion hints" } */
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64 /* { dg-begin-multiline-output "" }
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65 63 | int a[2][2] = { 0, 1 , 2, 3 };
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66 | ^~~~
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67 | { }
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68 { dg-end-multiline-output "" } */
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69 #endif
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70 }
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71
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72 /* Unit test for rendering of "remove" fixit hints. */
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73
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74 void test_fixit_remove (void)
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75 {
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76 #if 0
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77 int a;; /* { dg-warning "example of a removal hint" } */
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78 /* { dg-begin-multiline-output "" }
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79 77 | int a;;
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80 | ^
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81 | -
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82 { dg-end-multiline-output "" } */
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83 #endif
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84 }
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85
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86 /* Unit test for rendering of "replace" fixit hints. */
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87
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88 void test_fixit_replace (void)
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89 {
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90 #if 0
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91 gtk_widget_showall (dlg); /* { dg-warning "example of a replacement hint" } */
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92 /* { dg-begin-multiline-output "" }
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93 91 | gtk_widget_showall (dlg);
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94 | ^~~~~~~~~~~~~~~~~~
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95 | gtk_widget_show_all
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96 { dg-end-multiline-output "" } */
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97 #endif
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98 }
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99
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100
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101 /* Unit test for rendering of fix-it hints that add new lines. */
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102
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103 void test_fixit_insert_newline (void)
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104 {
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105 #if 0
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106 switch (op)
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107 {
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108 case 'a':
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109 x = a;
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110 case 'b': /* { dg-warning "newline insertion" } */
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111 x = b;
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112 }
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113 /* { dg-begin-multiline-output "" }
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114 109 | x = a;
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115 +++ |+ break;
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116 110 | case 'b':
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117 | ^~~~~~~~
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118 { dg-end-multiline-output "" } */
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119 #endif
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120 }
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