190 lines
6.1 KiB
Plaintext
190 lines
6.1 KiB
Plaintext
1| |// This demonstrated Issue #84561: function-like macros produce unintuitive coverage results.
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2| |
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3| |// failure-status: 101
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4| 21|#[derive(PartialEq, Eq)]
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5| |struct Foo(u32);
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6| 1|fn test3() {
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7| 1| let is_true = std::env::args().len() == 1;
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8| 1| let bar = Foo(1);
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9| 1| assert_eq!(bar, Foo(1));
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10| 1| let baz = Foo(0);
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11| 1| assert_ne!(baz, Foo(1));
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12| 1| println!("{:?}", Foo(1));
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13| 1| println!("{:?}", bar);
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14| 1| println!("{:?}", baz);
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15| 1|
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16| 1| assert_eq!(Foo(1), Foo(1));
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17| 1| assert_ne!(Foo(0), Foo(1));
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18| 1| assert_eq!(Foo(2), Foo(2));
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19| 1| let bar = Foo(0);
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20| 1| assert_ne!(bar, Foo(3));
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21| 1| assert_ne!(Foo(0), Foo(4));
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22| 1| assert_eq!(Foo(3), Foo(3), "with a message");
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^0
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23| 1| println!("{:?}", bar);
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24| 1| println!("{:?}", Foo(1));
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25| 1|
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26| 1| assert_ne!(Foo(0), Foo(5), "{}", if is_true { "true message" } else { "false message" });
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^0 ^0 ^0
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27| 1| assert_ne!(
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28| | Foo(0)
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29| | ,
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30| | Foo(5)
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31| | ,
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32| 0| "{}"
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33| 0| ,
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34| 0| if
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35| 0| is_true
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36| | {
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37| 0| "true message"
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38| | } else {
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39| 0| "false message"
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40| | }
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41| | );
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42| |
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43| 1| let is_true = std::env::args().len() == 1;
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44| 1|
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45| 1| assert_eq!(
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46| 1| Foo(1),
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47| 1| Foo(1)
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48| 1| );
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49| 1| assert_ne!(
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50| 1| Foo(0),
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51| 1| Foo(1)
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52| 1| );
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53| 1| assert_eq!(
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54| 1| Foo(2),
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55| 1| Foo(2)
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56| 1| );
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57| 1| let bar = Foo(1);
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58| 1| assert_ne!(
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59| 1| bar,
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60| 1| Foo(3)
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61| 1| );
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62| 1| if is_true {
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63| 1| assert_ne!(
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64| 1| Foo(0),
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65| 1| Foo(4)
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66| 1| );
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67| | } else {
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68| 0| assert_eq!(
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69| 0| Foo(3),
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70| 0| Foo(3)
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71| 0| );
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72| | }
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73| 1| if is_true {
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74| 1| assert_ne!(
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75| | Foo(0),
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76| | Foo(4),
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77| 0| "with a message"
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78| | );
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79| | } else {
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80| 0| assert_eq!(
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81| | Foo(3),
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82| | Foo(3),
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83| 0| "with a message"
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84| | );
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85| | }
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86| 1| assert_ne!(
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87| 1| if is_true {
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88| 1| Foo(0)
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89| | } else {
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90| 0| Foo(1)
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91| | },
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92| | Foo(5)
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93| | );
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94| 1| assert_ne!(
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95| 1| Foo(5),
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96| 1| if is_true {
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97| 1| Foo(0)
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98| | } else {
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99| 0| Foo(1)
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100| | }
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101| | );
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102| 1| assert_ne!(
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103| 1| if is_true {
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104| 1| assert_eq!(
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105| 1| Foo(3),
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106| 1| Foo(3)
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107| 1| );
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108| 1| Foo(0)
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109| | } else {
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110| 0| assert_ne!(
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111| 0| if is_true {
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112| 0| Foo(0)
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113| | } else {
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114| 0| Foo(1)
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115| | },
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116| | Foo(5)
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117| | );
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118| 0| Foo(1)
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119| | },
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120| | Foo(5),
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121| 0| "with a message"
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122| | );
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123| 1| assert_eq!(
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124| | Foo(1),
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125| | Foo(3),
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126| 1| "this assert should fail"
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127| | );
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128| 0| assert_eq!(
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129| | Foo(3),
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130| | Foo(3),
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131| 0| "this assert should not be reached"
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132| | );
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133| 0|}
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134| |
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135| |impl std::fmt::Debug for Foo {
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136| | fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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137| 7| write!(f, "try and succeed")?;
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^0
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138| 7| Ok(())
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139| 7| }
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140| |}
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141| |
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142| |static mut DEBUG_LEVEL_ENABLED: bool = false;
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143| |
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144| |macro_rules! debug {
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145| | ($($arg:tt)+) => (
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146| | if unsafe { DEBUG_LEVEL_ENABLED } {
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147| | println!($($arg)+);
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148| | }
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149| | );
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150| |}
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151| |
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152| 1|fn test1() {
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153| 1| debug!("debug is enabled");
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^0
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154| 1| debug!("debug is enabled");
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^0
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155| 1| let _ = 0;
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156| 1| debug!("debug is enabled");
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^0
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157| 1| unsafe {
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158| 1| DEBUG_LEVEL_ENABLED = true;
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159| 1| }
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160| 1| debug!("debug is enabled");
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161| 1|}
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162| |
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163| |macro_rules! call_debug {
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164| | ($($arg:tt)+) => (
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165| 1| fn call_print(s: &str) {
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166| 1| print!("{}", s);
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167| 1| }
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168| |
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169| | call_print("called from call_debug: ");
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170| | debug!($($arg)+);
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171| | );
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172| |}
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173| |
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174| 1|fn test2() {
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175| 1| call_debug!("debug is enabled");
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176| 1|}
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177| |
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178| 1|fn main() {
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179| 1| test1();
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180| 1| test2();
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181| 1| test3();
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182| 1|}
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