Fix tests for custom wasm RNGs

Author: josephlr

custom/stdweb/Cargo.toml

@@ -16,3 +16,12 @@ crate-type = ["dylib"]
 getrandom = { path = "../..", features = ["custom"] }
 stdweb = "0.4.18"
 log = "0.4"
+
+# Unstable features used to build tests correctly
+[features]
+default = ["test-stdweb"]
+test-stdweb = []
+
+[[test]]
+name = "common"
+path = "../../tests/common.rs"

custom/wasm-bindgen/Cargo.toml

@@ -15,3 +15,16 @@ crate-type = ["dylib"]
 [dependencies]
 getrandom = { path = "../..", features = ["custom"] }
 wasm-bindgen = "0.2.29"
+
+[dev-dependencies]
+wasm-bindgen-test = "0.2"
+
+# Unstable features used to build tests correctly
+[features]
+default = ["test-bindgen"]
+test-bindgen = []
+test-in-browser = ["test-bindgen"]
+
+[[test]]
+name = "common"
+path = "../../tests/common.rs"

tests/common.rs

@@ -1,19 +1,25 @@
-#[cfg(feature = "wasm-bindgen")]
+// Extern crate declarations needed to prevent linking issues
+#[cfg(feature = "test-stdweb")]
+extern crate getrandom_stdweb;
+#[cfg(feature = "test-bindgen")]
+extern crate getrandom_wasm_bindgen;
+
+#[cfg(feature = "test-bindgen")]
 use wasm_bindgen_test::*;
 
 use getrandom::getrandom;
 
 #[cfg(feature = "test-in-browser")]
 wasm_bindgen_test_configure!(run_in_browser);
 
-#[cfg_attr(feature = "wasm-bindgen", wasm_bindgen_test)]
+#[cfg_attr(feature = "test-bindgen", wasm_bindgen_test)]
 #[test]
 fn test_zero() {
     // Test that APIs are happy with zero-length requests
     getrandom(&mut [0u8; 0]).unwrap();
 }
 
-#[cfg_attr(feature = "wasm-bindgen", wasm_bindgen_test)]
+#[cfg_attr(feature = "test-bindgen", wasm_bindgen_test)]
 #[test]
 fn test_diff() {
     let mut v1 = [0u8; 1000];
@@ -31,7 +37,7 @@ fn test_diff() {
     assert!(n_diff_bits >= v1.len() as u32);
 }
 
-#[cfg_attr(feature = "wasm-bindgen", wasm_bindgen_test)]
+#[cfg_attr(feature = "test-bindgen", wasm_bindgen_test)]
 #[test]
 fn test_huge() {
     let mut huge = [0u8; 100_000];