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Add test for unsafe union field access highlighting

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Paul Daniel Faria 2020-08-06 21:15:31 -04:00
parent f1d507270c
commit a6532905a9
2 changed files with 22 additions and 0 deletions
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11
crates/ra_ide/src/syntax_highlighting/tests.rs
View file

@ -275,6 +275,11 @@ fn test_unsafe_highlighting() {
r#" r#"
unsafe fn unsafe_fn() {} unsafe fn unsafe_fn() {}
union Union {
a: u32,
b: f32,
}
struct HasUnsafeFn; struct HasUnsafeFn;
impl HasUnsafeFn { impl HasUnsafeFn {
@ -283,8 +288,14 @@ impl HasUnsafeFn {
fn main() { fn main() {
let x = &5 as *const usize; let x = &5 as *const usize;
let u = Union { b: 0 };
unsafe { unsafe {
unsafe_fn(); unsafe_fn();
let b = u.b;
match u {
Union { b: 0 } => (),
Union { a } => (),
}
HasUnsafeFn.unsafe_method(); HasUnsafeFn.unsafe_method();
let y = *(x); let y = *(x);
let z = -x; let z = -x;

11
crates/ra_ide/test_data/highlight_unsafe.html
View file

@ -37,6 +37,11 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
</style> </style>
<pre><code><span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration unsafe">unsafe_fn</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span> <pre><code><span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration unsafe">unsafe_fn</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>
<span class="keyword">union</span> <span class="union declaration">Union</span> <span class="punctuation">{</span>
<span class="field declaration">a</span><span class="punctuation">:</span> <span class="builtin_type">u32</span><span class="punctuation">,</span>
<span class="field declaration">b</span><span class="punctuation">:</span> <span class="builtin_type">f32</span><span class="punctuation">,</span>
<span class="punctuation">}</span>
<span class="keyword">struct</span> <span class="struct declaration">HasUnsafeFn</span><span class="punctuation">;</span> <span class="keyword">struct</span> <span class="struct declaration">HasUnsafeFn</span><span class="punctuation">;</span>
<span class="keyword">impl</span> <span class="struct">HasUnsafeFn</span> <span class="punctuation">{</span> <span class="keyword">impl</span> <span class="struct">HasUnsafeFn</span> <span class="punctuation">{</span>
@ -45,8 +50,14 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="keyword">fn</span> <span class="function declaration">main</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span> <span class="keyword">fn</span> <span class="function declaration">main</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
<span class="keyword">let</span> <span class="variable declaration">x</span> <span class="operator">=</span> <span class="operator">&</span><span class="numeric_literal">5</span> <span class="keyword">as</span> <span class="keyword">*</span><span class="keyword">const</span> <span class="builtin_type">usize</span><span class="punctuation">;</span> <span class="keyword">let</span> <span class="variable declaration">x</span> <span class="operator">=</span> <span class="operator">&</span><span class="numeric_literal">5</span> <span class="keyword">as</span> <span class="keyword">*</span><span class="keyword">const</span> <span class="builtin_type">usize</span><span class="punctuation">;</span>
<span class="keyword">let</span> <span class="variable declaration">u</span> <span class="operator">=</span> <span class="union">Union</span> <span class="punctuation">{</span> <span class="unresolved_reference">b</span><span class="punctuation">:</span> <span class="numeric_literal">0</span> <span class="punctuation">}</span><span class="punctuation">;</span>
<span class="keyword unsafe">unsafe</span> <span class="punctuation">{</span> <span class="keyword unsafe">unsafe</span> <span class="punctuation">{</span>
<span class="function unsafe">unsafe_fn</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="function unsafe">unsafe_fn</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="keyword">let</span> <span class="variable declaration">b</span> <span class="operator">=</span> <span class="variable">u</span><span class="punctuation">.</span><span class="unresolved_reference">b</span><span class="punctuation">;</span>
<span class="keyword control">match</span> <span class="variable">u</span> <span class="punctuation">{</span>
<span class="union">Union</span> <span class="punctuation">{</span> <span class="unresolved_reference">b</span><span class="punctuation">:</span> <span class="numeric_literal">0</span> <span class="punctuation">}</span> <span class="operator">=&gt;</span> <span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">,</span>
<span class="union">Union</span> <span class="punctuation">{</span> <span class="variable declaration">a</span> <span class="punctuation">}</span> <span class="operator">=&gt;</span> <span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">,</span>
<span class="punctuation">}</span>
<span class="struct">HasUnsafeFn</span><span class="punctuation">.</span><span class="function unsafe">unsafe_method</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="struct">HasUnsafeFn</span><span class="punctuation">.</span><span class="function unsafe">unsafe_method</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="keyword">let</span> <span class="variable declaration">y</span> <span class="operator">=</span> <span class="operator unsafe">*</span><span class="punctuation">(</span><span class="variable">x</span><span class="punctuation">)</span><span class="punctuation">;</span> <span class="keyword">let</span> <span class="variable declaration">y</span> <span class="operator">=</span> <span class="operator unsafe">*</span><span class="punctuation">(</span><span class="variable">x</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="keyword">let</span> <span class="variable declaration">z</span> <span class="operator">=</span> <span class="numeric_literal">-</span><span class="variable">x</span><span class="punctuation">;</span> <span class="keyword">let</span> <span class="variable declaration">z</span> <span class="operator">=</span> <span class="numeric_literal">-</span><span class="variable">x</span><span class="punctuation">;</span>