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|
const std = @import("std");
const TestContext = @import("../../src/test.zig").TestContext;
const wasi = std.zig.CrossTarget{
.cpu_arch = .wasm32,
.os_tag = .wasi,
};
pub fn addCases(ctx: *TestContext) !void {
{
var case = ctx.exe("wasm function calls", wasi);
case.addCompareOutput(
\\export fn _start() u32 {
\\ foo();
\\ bar();
\\ return 42;
\\}
\\fn foo() void {
\\ bar();
\\ bar();
\\}
\\fn bar() void {}
,
"42\n",
);
case.addCompareOutput(
\\export fn _start() i64 {
\\ bar();
\\ foo();
\\ foo();
\\ bar();
\\ foo();
\\ bar();
\\ return 42;
\\}
\\fn foo() void {
\\ bar();
\\}
\\fn bar() void {}
,
"42\n",
);
case.addCompareOutput(
\\export fn _start() f32 {
\\ bar();
\\ foo();
\\ return 42.0;
\\}
\\fn foo() void {
\\ bar();
\\ bar();
\\ bar();
\\}
\\fn bar() void {}
,
// This is what you get when you take the bits of the IEE-754
// representation of 42.0 and reinterpret them as an unsigned
// integer. Guess that's a bug in wasmtime.
"1109917696\n",
);
case.addCompareOutput(
\\export fn _start() u32 {
\\ foo(10, 20);
\\ return 5;
\\}
\\fn foo(x: u32, y: u32) void {}
, "5\n");
}
{
var case = ctx.exe("wasm locals", wasi);
case.addCompareOutput(
\\export fn _start() u32 {
\\ var i: u32 = 5;
\\ var y: f32 = 42.0;
\\ var x: u32 = 10;
\\ return i;
\\}
, "5\n");
case.addCompareOutput(
\\export fn _start() u32 {
\\ var i: u32 = 5;
\\ var y: f32 = 42.0;
\\ var x: u32 = 10;
\\ foo(i, x);
\\ i = x;
\\ return i;
\\}
\\fn foo(x: u32, y: u32) void {
\\ var i: u32 = 10;
\\ i = x;
\\}
, "10\n");
}
{
var case = ctx.exe("wasm binary operands", wasi);
case.addCompareOutput(
\\export fn _start() u32 {
\\ var i: u32 = 5;
\\ i += 20;
\\ return i;
\\}
, "25\n");
case.addCompareOutput(
\\export fn _start() u32 {
\\ var i: u32 = 5;
\\ i += 20;
\\ var result: u32 = foo(i, 10);
\\ return result;
\\}
\\fn foo(x: u32, y: u32) u32 {
\\ return x + y;
\\}
, "35\n");
}
}
|
