1 files changed, 64 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/approx_const.rs b/src/tools/clippy/tests/ui/approx_const.rs
new file mode 100644
index 000000000..ccdbd34f7
--- /dev/null
+++ b/src/tools/clippy/tests/ui/approx_const.rs
@@ -0,0 +1,64 @@
+#[warn(clippy::approx_constant)]
+#[allow(clippy::similar_names)]
+fn main() {
+    let my_e = 2.7182;
+    let almost_e = 2.718;
+    let no_e = 2.71;
+
+    let my_1_frac_pi = 0.3183;
+    let no_1_frac_pi = 0.31;
+
+    let my_frac_1_sqrt_2 = 0.70710678;
+    let almost_frac_1_sqrt_2 = 0.70711;
+    let my_frac_1_sqrt_2 = 0.707;
+
+    let my_frac_2_pi = 0.63661977;
+    let no_frac_2_pi = 0.636;
+
+    let my_frac_2_sq_pi = 1.128379;
+    let no_frac_2_sq_pi = 1.128;
+
+    let my_frac_pi_2 = 1.57079632679;
+    let no_frac_pi_2 = 1.5705;
+
+    let my_frac_pi_3 = 1.04719755119;
+    let no_frac_pi_3 = 1.047;
+
+    let my_frac_pi_4 = 0.785398163397;
+    let no_frac_pi_4 = 0.785;
+
+    let my_frac_pi_6 = 0.523598775598;
+    let no_frac_pi_6 = 0.523;
+
+    let my_frac_pi_8 = 0.3926990816987;
+    let no_frac_pi_8 = 0.392;
+
+    let my_ln_10 = 2.302585092994046;
+    let no_ln_10 = 2.303;
+
+    let my_ln_2 = 0.6931471805599453;
+    let no_ln_2 = 0.693;
+
+    let my_log10_e = 0.4342944819032518;
+    let no_log10_e = 0.434;
+
+    let my_log2_e = 1.4426950408889634;
+    let no_log2_e = 1.442;
+
+    let log2_10 = 3.321928094887362;
+    let no_log2_10 = 3.321;
+
+    let log10_2 = 0.301029995663981;
+    let no_log10_2 = 0.301;
+
+    let my_pi = 3.1415;
+    let almost_pi = 3.14;
+    let no_pi = 3.15;
+
+    let my_sq2 = 1.4142;
+    let no_sq2 = 1.414;
+
+    let my_tau = 6.2832;
+    let almost_tau = 6.28;
+    let no_tau = 6.3;
+}