public void ThrowIfCultureChangeIsUnsupported_ThrowsIfCulturesAreDifferentAndICUShardingIsUsed()
{
// Arrange
Environment.SetEnvironmentVariable("__BLAZOR_SHARDED_ICU", "1");
try
{
// WebAssembly is initialized with en-US
var cultureProvider = new WebAssemblyCultureProvider(DefaultWebAssemblyJSRuntime.Instance, new CultureInfo("en-US"), new CultureInfo("en-US"));
// Culture is changed to fr-FR as part of the app
using var cultureReplacer = new CultureReplacer("fr-FR");
var ex = Assert.Throws <InvalidOperationException>(() => cultureProvider.ThrowIfCultureChangeIsUnsupported());
Assert.Equal("Blazor detected a change in the application's culture that is not supported with the current project configuration. " +
"To change culture dynamically during startup, set <BlazorWebAssemblyLoadAllGlobalizationData>true</BlazorWebAssemblyLoadAllGlobalizationData> in the application's project file.",
ex.Message);
}
finally
{
Environment.SetEnvironmentVariable("__BLAZOR_SHARDED_ICU", null);
}
}
