6 files changed, 63 insertions, 0 deletions
diff --git a/cli/tests/testdata/run/unstable_webgpu.disabled.out b/cli/tests/testdata/run/unstable_webgpu.disabled.out
new file mode 100644
index 000000000..775866352
--- /dev/null
+++ b/cli/tests/testdata/run/unstable_webgpu.disabled.out
@@ -0,0 +1,2 @@
+main undefined
+worker undefined
diff --git a/cli/tests/testdata/run/unstable_webgpu.enabled.out b/cli/tests/testdata/run/unstable_webgpu.enabled.out
new file mode 100644
index 000000000..e2cc915ba
--- /dev/null
+++ b/cli/tests/testdata/run/unstable_webgpu.enabled.out
@@ -0,0 +1,2 @@
+main [class GPU]
+worker [class GPU]
diff --git a/cli/tests/testdata/run/unstable_webgpu.js b/cli/tests/testdata/run/unstable_webgpu.js
new file mode 100644
index 000000000..a796b1c4d
--- /dev/null
+++ b/cli/tests/testdata/run/unstable_webgpu.js
@@ -0,0 +1,10 @@
+const scope = import.meta.url.slice(-7) === "#worker" ? "worker" : "main";
+
+console.log(scope, globalThis.GPU);
+
+if (scope === "worker") {
+  postMessage("done");
+} else {
+  const worker = new Worker(`${import.meta.url}#worker`, { type: "module" });
+  worker.onmessage = () => Deno.exit(0);
+}
diff --git a/cli/tests/testdata/webgpu/computepass_shader.wgsl b/cli/tests/testdata/webgpu/computepass_shader.wgsl
new file mode 100644
index 000000000..41af4363a
--- /dev/null
+++ b/cli/tests/testdata/webgpu/computepass_shader.wgsl
@@ -0,0 +1,38 @@
+@group(0)
+@binding(0)
+var<storage, read_write> v_indices: array<u32>; // this is used as both input and output for convenience
+
+// The Collatz Conjecture states that for any integer n:
+// If n is even, n = n/2
+// If n is odd, n = 3n+1
+// And repeat this process for each new n, you will always eventually reach 1.
+// Though the conjecture has not been proven, no counterexample has ever been found.
+// This function returns how many times this recurrence needs to be applied to reach 1.
+fn collatz_iterations(n_base: u32) -> u32{
+    var n: u32 = n_base;
+    var i: u32 = 0u;
+    loop {
+        if (n <= 1u) {
+            break;
+        }
+        if (n % 2u == 0u) {
+            n = n / 2u;
+        }
+        else {
+            // Overflow? (i.e. 3*n + 1 > 0xffffffffu?)
+            if (n >= 1431655765u) {   // 0x55555555u
+                return 4294967295u;   // 0xffffffffu
+            }
+
+            n = 3u * n + 1u;
+        }
+        i = i + 1u;
+    }
+    return i;
+}
+
+@compute
+@workgroup_size(1)
+fn main(@builtin(global_invocation_id) global_id: vec3<u32>) {
+    v_indices[global_id.x] = collatz_iterations(v_indices[global_id.x]);
+}
diff --git a/cli/tests/testdata/webgpu/hellotriangle.out b/cli/tests/testdata/webgpu/hellotriangle.out
new file mode 100644
index 000000000..52972ec9e
--- /dev/null
+++ b/cli/tests/testdata/webgpu/hellotriangle.out
diff --git a/cli/tests/testdata/webgpu/hellotriangle_shader.wgsl b/cli/tests/testdata/webgpu/hellotriangle_shader.wgsl
new file mode 100644
index 000000000..f84ccfe94
--- /dev/null
+++ b/cli/tests/testdata/webgpu/hellotriangle_shader.wgsl
@@ -0,0 +1,11 @@
+@vertex
+fn vs_main(@builtin(vertex_index) in_vertex_index: u32) -> @builtin(position) vec4<f32> {
+    let x = f32(i32(in_vertex_index) - 1);
+    let y = f32(i32(in_vertex_index & 1u) * 2 - 1);
+    return vec4<f32>(x, y, 0.0, 1.0);
+}
+
+@fragment
+fn fs_main() -> @location(0) vec4<f32> {
+    return vec4<f32>(1.0, 0.0, 0.0, 1.0);
+}